4 * Client-side XDR for NFSv4.
6 * Copyright (c) 2002 The Regents of the University of Michigan.
9 * Kendrick Smith <kmsmith@umich.edu>
10 * Andy Adamson <andros@umich.edu>
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the University nor the names of its
22 * contributors may be used to endorse or promote products derived
23 * from this software without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
26 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
27 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
28 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
32 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
33 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
34 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
35 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 #include <linux/param.h>
39 #include <linux/time.h>
41 #include <linux/errno.h>
42 #include <linux/string.h>
44 #include <linux/pagemap.h>
45 #include <linux/proc_fs.h>
46 #include <linux/kdev_t.h>
47 #include <linux/module.h>
48 #include <linux/utsname.h>
49 #include <linux/sunrpc/clnt.h>
50 #include <linux/sunrpc/msg_prot.h>
51 #include <linux/sunrpc/gss_api.h>
52 #include <linux/nfs.h>
53 #include <linux/nfs4.h>
54 #include <linux/nfs_fs.h>
55 #include <linux/nfs_idmap.h>
60 #define NFSDBG_FACILITY NFSDBG_XDR
62 /* Mapping from NFS error code to "errno" error code. */
63 #define errno_NFSERR_IO EIO
65 static int nfs4_stat_to_errno(int);
67 /* NFSv4 COMPOUND tags are only wanted for debugging purposes */
69 #define NFS4_MAXTAGLEN 20
71 #define NFS4_MAXTAGLEN 0
74 /* lock,open owner id:
75 * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2)
77 #define open_owner_id_maxsz (1 + 2 + 1 + 1 + 2)
78 #define lock_owner_id_maxsz (1 + 1 + 4)
79 #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ))
80 #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2))
81 #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2))
82 #define op_encode_hdr_maxsz (1)
83 #define op_decode_hdr_maxsz (2)
84 #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE))
85 #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE))
86 #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE))
87 #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE))
88 #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \
90 #define decode_putfh_maxsz (op_decode_hdr_maxsz)
91 #define encode_putrootfh_maxsz (op_encode_hdr_maxsz)
92 #define decode_putrootfh_maxsz (op_decode_hdr_maxsz)
93 #define encode_getfh_maxsz (op_encode_hdr_maxsz)
94 #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \
95 ((3+NFS4_FHSIZE) >> 2))
96 #define nfs4_fattr_bitmap_maxsz 4
97 #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz)
98 #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2))
99 #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2))
100 #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ))
101 #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ))
102 /* This is based on getfattr, which uses the most attributes: */
103 #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \
104 3 + 3 + 3 + nfs4_owner_maxsz + nfs4_group_maxsz))
105 #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \
106 nfs4_fattr_value_maxsz)
107 #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz)
108 #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \
113 #define encode_savefh_maxsz (op_encode_hdr_maxsz)
114 #define decode_savefh_maxsz (op_decode_hdr_maxsz)
115 #define encode_restorefh_maxsz (op_encode_hdr_maxsz)
116 #define decode_restorefh_maxsz (op_decode_hdr_maxsz)
117 #define encode_fsinfo_maxsz (encode_getattr_maxsz)
118 /* The 5 accounts for the PNFS attributes, and assumes that at most three
119 * layout types will be returned.
121 #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + \
122 nfs4_fattr_bitmap_maxsz + 4 + 8 + 5)
123 #define encode_renew_maxsz (op_encode_hdr_maxsz + 3)
124 #define decode_renew_maxsz (op_decode_hdr_maxsz)
125 #define encode_setclientid_maxsz \
126 (op_encode_hdr_maxsz + \
127 XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \
128 XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \
130 XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \
131 XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \
133 #define decode_setclientid_maxsz \
134 (op_decode_hdr_maxsz + \
136 1024) /* large value for CLID_INUSE */
137 #define encode_setclientid_confirm_maxsz \
138 (op_encode_hdr_maxsz + \
139 3 + (NFS4_VERIFIER_SIZE >> 2))
140 #define decode_setclientid_confirm_maxsz \
141 (op_decode_hdr_maxsz)
142 #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz)
143 #define decode_lookup_maxsz (op_decode_hdr_maxsz)
144 #define encode_share_access_maxsz \
146 #define encode_createmode_maxsz (1 + encode_attrs_maxsz + encode_verifier_maxsz)
147 #define encode_opentype_maxsz (1 + encode_createmode_maxsz)
148 #define encode_claim_null_maxsz (1 + nfs4_name_maxsz)
149 #define encode_open_maxsz (op_encode_hdr_maxsz + \
150 2 + encode_share_access_maxsz + 2 + \
151 open_owner_id_maxsz + \
152 encode_opentype_maxsz + \
153 encode_claim_null_maxsz)
154 #define decode_ace_maxsz (3 + nfs4_owner_maxsz)
155 #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \
157 #define decode_change_info_maxsz (5)
158 #define decode_open_maxsz (op_decode_hdr_maxsz + \
159 decode_stateid_maxsz + \
160 decode_change_info_maxsz + 1 + \
161 nfs4_fattr_bitmap_maxsz + \
162 decode_delegation_maxsz)
163 #define encode_open_confirm_maxsz \
164 (op_encode_hdr_maxsz + \
165 encode_stateid_maxsz + 1)
166 #define decode_open_confirm_maxsz \
167 (op_decode_hdr_maxsz + \
168 decode_stateid_maxsz)
169 #define encode_open_downgrade_maxsz \
170 (op_encode_hdr_maxsz + \
171 encode_stateid_maxsz + 1 + \
172 encode_share_access_maxsz)
173 #define decode_open_downgrade_maxsz \
174 (op_decode_hdr_maxsz + \
175 decode_stateid_maxsz)
176 #define encode_close_maxsz (op_encode_hdr_maxsz + \
177 1 + encode_stateid_maxsz)
178 #define decode_close_maxsz (op_decode_hdr_maxsz + \
179 decode_stateid_maxsz)
180 #define encode_setattr_maxsz (op_encode_hdr_maxsz + \
181 encode_stateid_maxsz + \
183 #define decode_setattr_maxsz (op_decode_hdr_maxsz + \
184 nfs4_fattr_bitmap_maxsz)
185 #define encode_read_maxsz (op_encode_hdr_maxsz + \
186 encode_stateid_maxsz + 3)
187 #define decode_read_maxsz (op_decode_hdr_maxsz + 2)
188 #define encode_readdir_maxsz (op_encode_hdr_maxsz + \
189 2 + encode_verifier_maxsz + 5)
190 #define decode_readdir_maxsz (op_decode_hdr_maxsz + \
191 decode_verifier_maxsz)
192 #define encode_readlink_maxsz (op_encode_hdr_maxsz)
193 #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1)
194 #define encode_write_maxsz (op_encode_hdr_maxsz + \
195 encode_stateid_maxsz + 4)
196 #define decode_write_maxsz (op_decode_hdr_maxsz + \
197 2 + decode_verifier_maxsz)
198 #define encode_commit_maxsz (op_encode_hdr_maxsz + 3)
199 #define decode_commit_maxsz (op_decode_hdr_maxsz + \
200 decode_verifier_maxsz)
201 #define encode_remove_maxsz (op_encode_hdr_maxsz + \
203 #define decode_remove_maxsz (op_decode_hdr_maxsz + \
204 decode_change_info_maxsz)
205 #define encode_rename_maxsz (op_encode_hdr_maxsz + \
207 #define decode_rename_maxsz (op_decode_hdr_maxsz + \
208 decode_change_info_maxsz + \
209 decode_change_info_maxsz)
210 #define encode_link_maxsz (op_encode_hdr_maxsz + \
212 #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz)
213 #define encode_lockowner_maxsz (7)
214 #define encode_lock_maxsz (op_encode_hdr_maxsz + \
216 1 + encode_stateid_maxsz + 1 + \
217 encode_lockowner_maxsz)
218 #define decode_lock_denied_maxsz \
219 (8 + decode_lockowner_maxsz)
220 #define decode_lock_maxsz (op_decode_hdr_maxsz + \
221 decode_lock_denied_maxsz)
222 #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \
223 encode_lockowner_maxsz)
224 #define decode_lockt_maxsz (op_decode_hdr_maxsz + \
225 decode_lock_denied_maxsz)
226 #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \
227 encode_stateid_maxsz + \
229 #define decode_locku_maxsz (op_decode_hdr_maxsz + \
230 decode_stateid_maxsz)
231 #define encode_release_lockowner_maxsz \
232 (op_encode_hdr_maxsz + \
233 encode_lockowner_maxsz)
234 #define decode_release_lockowner_maxsz \
235 (op_decode_hdr_maxsz)
236 #define encode_access_maxsz (op_encode_hdr_maxsz + 1)
237 #define decode_access_maxsz (op_decode_hdr_maxsz + 2)
238 #define encode_symlink_maxsz (op_encode_hdr_maxsz + \
239 1 + nfs4_name_maxsz + \
242 #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8)
243 #define encode_create_maxsz (op_encode_hdr_maxsz + \
244 1 + 2 + nfs4_name_maxsz + \
246 #define decode_create_maxsz (op_decode_hdr_maxsz + \
247 decode_change_info_maxsz + \
248 nfs4_fattr_bitmap_maxsz)
249 #define encode_statfs_maxsz (encode_getattr_maxsz)
250 #define decode_statfs_maxsz (decode_getattr_maxsz)
251 #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4)
252 #define decode_delegreturn_maxsz (op_decode_hdr_maxsz)
253 #define encode_getacl_maxsz (encode_getattr_maxsz)
254 #define decode_getacl_maxsz (op_decode_hdr_maxsz + \
255 nfs4_fattr_bitmap_maxsz + 1)
256 #define encode_setacl_maxsz (op_encode_hdr_maxsz + \
257 encode_stateid_maxsz + 3)
258 #define decode_setacl_maxsz (decode_setattr_maxsz)
259 #define encode_fs_locations_maxsz \
260 (encode_getattr_maxsz)
261 #define decode_fs_locations_maxsz \
263 #define encode_secinfo_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz)
264 #define decode_secinfo_maxsz (op_decode_hdr_maxsz + 1 + ((NFS_MAX_SECFLAVORS * (16 + GSS_OID_MAX_LEN)) / 4))
266 #if defined(CONFIG_NFS_V4_1)
267 #define NFS4_MAX_MACHINE_NAME_LEN (64)
269 #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \
270 encode_verifier_maxsz + \
271 1 /* co_ownerid.len */ + \
272 XDR_QUADLEN(NFS4_EXCHANGE_ID_LEN) + \
275 0 /* SP4_NONE (for now) */ + \
276 1 /* implementation id array of size 1 */ + \
277 1 /* nii_domain */ + \
278 XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \
280 XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \
282 #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \
283 2 /* eir_clientid */ + \
284 1 /* eir_sequenceid */ + \
285 1 /* eir_flags */ + \
287 0 /* SP4_NONE (for now) */ + \
288 2 /* eir_server_owner.so_minor_id */ + \
289 /* eir_server_owner.so_major_id<> */ \
290 XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \
291 /* eir_server_scope<> */ \
292 XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \
293 1 /* eir_server_impl_id array length */ + \
294 1 /* nii_domain */ + \
295 XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \
297 XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \
299 #define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */)
300 #define decode_channel_attrs_maxsz (6 + \
301 1 /* ca_rdma_ird.len */ + \
303 #define encode_create_session_maxsz (op_encode_hdr_maxsz + \
304 2 /* csa_clientid */ + \
305 1 /* csa_sequence */ + \
306 1 /* csa_flags */ + \
307 encode_channel_attrs_maxsz + \
308 encode_channel_attrs_maxsz + \
309 1 /* csa_cb_program */ + \
310 1 /* csa_sec_parms.len (1) */ + \
311 1 /* cb_secflavor (AUTH_SYS) */ + \
313 1 /* machinename.len */ + \
314 XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \
317 1 /* gids.len (0) */)
318 #define decode_create_session_maxsz (op_decode_hdr_maxsz + \
319 XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \
320 1 /* csr_sequence */ + \
321 1 /* csr_flags */ + \
322 decode_channel_attrs_maxsz + \
323 decode_channel_attrs_maxsz)
324 #define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4)
325 #define decode_destroy_session_maxsz (op_decode_hdr_maxsz)
326 #define encode_sequence_maxsz (op_encode_hdr_maxsz + \
327 XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4)
328 #define decode_sequence_maxsz (op_decode_hdr_maxsz + \
329 XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5)
330 #define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4)
331 #define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4)
332 #define encode_getdevicelist_maxsz (op_encode_hdr_maxsz + 4 + \
333 encode_verifier_maxsz)
334 #define decode_getdevicelist_maxsz (op_decode_hdr_maxsz + \
335 2 /* nfs_cookie4 gdlr_cookie */ + \
336 decode_verifier_maxsz \
337 /* verifier4 gdlr_verifier */ + \
338 1 /* gdlr_deviceid_list count */ + \
339 XDR_QUADLEN(NFS4_PNFS_GETDEVLIST_MAXNUM * \
340 NFS4_DEVICEID4_SIZE) \
341 /* gdlr_deviceid_list */ + \
342 1 /* bool gdlr_eof */)
343 #define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + 4 + \
344 XDR_QUADLEN(NFS4_DEVICEID4_SIZE))
345 #define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \
346 1 /* layout type */ + \
347 1 /* opaque devaddr4 length */ + \
348 /* devaddr4 payload is read into page */ \
349 1 /* notification bitmap length */ + \
350 1 /* notification bitmap */)
351 #define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \
352 encode_stateid_maxsz)
353 #define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \
354 decode_stateid_maxsz + \
355 XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE))
356 #define encode_layoutcommit_maxsz (op_encode_hdr_maxsz + \
360 encode_stateid_maxsz + \
361 1 /* new offset (true) */ + \
362 2 /* last byte written */ + \
363 1 /* nt_timechanged (false) */ + \
364 1 /* layoutupdate4 layout type */ + \
365 1 /* NULL filelayout layoutupdate4 payload */)
366 #define decode_layoutcommit_maxsz (op_decode_hdr_maxsz + 3)
367 #define encode_layoutreturn_maxsz (8 + op_encode_hdr_maxsz + \
368 encode_stateid_maxsz + \
369 1 /* FIXME: opaque lrf_body always empty at the moment */)
370 #define decode_layoutreturn_maxsz (op_decode_hdr_maxsz + \
371 1 + decode_stateid_maxsz)
372 #define encode_secinfo_no_name_maxsz (op_encode_hdr_maxsz + 1)
373 #define decode_secinfo_no_name_maxsz decode_secinfo_maxsz
374 #define encode_test_stateid_maxsz (op_encode_hdr_maxsz + 2 + \
375 XDR_QUADLEN(NFS4_STATEID_SIZE))
376 #define decode_test_stateid_maxsz (op_decode_hdr_maxsz + 2 + 1)
377 #define encode_free_stateid_maxsz (op_encode_hdr_maxsz + 1 + \
378 XDR_QUADLEN(NFS4_STATEID_SIZE))
379 #define decode_free_stateid_maxsz (op_decode_hdr_maxsz + 1)
380 #else /* CONFIG_NFS_V4_1 */
381 #define encode_sequence_maxsz 0
382 #define decode_sequence_maxsz 0
383 #endif /* CONFIG_NFS_V4_1 */
385 #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */
386 #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */
387 #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \
388 encode_sequence_maxsz + \
389 encode_putfh_maxsz + \
391 #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \
392 decode_sequence_maxsz + \
393 decode_putfh_maxsz + \
395 #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \
396 encode_sequence_maxsz + \
397 encode_putfh_maxsz + \
398 encode_readlink_maxsz)
399 #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \
400 decode_sequence_maxsz + \
401 decode_putfh_maxsz + \
402 decode_readlink_maxsz)
403 #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \
404 encode_sequence_maxsz + \
405 encode_putfh_maxsz + \
406 encode_readdir_maxsz)
407 #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \
408 decode_sequence_maxsz + \
409 decode_putfh_maxsz + \
410 decode_readdir_maxsz)
411 #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \
412 encode_sequence_maxsz + \
413 encode_putfh_maxsz + \
414 encode_write_maxsz + \
415 encode_getattr_maxsz)
416 #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \
417 decode_sequence_maxsz + \
418 decode_putfh_maxsz + \
419 decode_write_maxsz + \
420 decode_getattr_maxsz)
421 #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \
422 encode_sequence_maxsz + \
423 encode_putfh_maxsz + \
424 encode_commit_maxsz + \
425 encode_getattr_maxsz)
426 #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \
427 decode_sequence_maxsz + \
428 decode_putfh_maxsz + \
429 decode_commit_maxsz + \
430 decode_getattr_maxsz)
431 #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \
432 encode_sequence_maxsz + \
433 encode_putfh_maxsz + \
434 encode_savefh_maxsz + \
435 encode_open_maxsz + \
436 encode_getfh_maxsz + \
437 encode_getattr_maxsz + \
438 encode_restorefh_maxsz + \
439 encode_getattr_maxsz)
440 #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \
441 decode_sequence_maxsz + \
442 decode_putfh_maxsz + \
443 decode_savefh_maxsz + \
444 decode_open_maxsz + \
445 decode_getfh_maxsz + \
446 decode_getattr_maxsz + \
447 decode_restorefh_maxsz + \
448 decode_getattr_maxsz)
449 #define NFS4_enc_open_confirm_sz \
450 (compound_encode_hdr_maxsz + \
451 encode_putfh_maxsz + \
452 encode_open_confirm_maxsz)
453 #define NFS4_dec_open_confirm_sz \
454 (compound_decode_hdr_maxsz + \
455 decode_putfh_maxsz + \
456 decode_open_confirm_maxsz)
457 #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \
458 encode_sequence_maxsz + \
459 encode_putfh_maxsz + \
460 encode_open_maxsz + \
461 encode_getattr_maxsz)
462 #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \
463 decode_sequence_maxsz + \
464 decode_putfh_maxsz + \
465 decode_open_maxsz + \
466 decode_getattr_maxsz)
467 #define NFS4_enc_open_downgrade_sz \
468 (compound_encode_hdr_maxsz + \
469 encode_sequence_maxsz + \
470 encode_putfh_maxsz + \
471 encode_open_downgrade_maxsz + \
472 encode_getattr_maxsz)
473 #define NFS4_dec_open_downgrade_sz \
474 (compound_decode_hdr_maxsz + \
475 decode_sequence_maxsz + \
476 decode_putfh_maxsz + \
477 decode_open_downgrade_maxsz + \
478 decode_getattr_maxsz)
479 #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \
480 encode_sequence_maxsz + \
481 encode_putfh_maxsz + \
482 encode_close_maxsz + \
483 encode_getattr_maxsz)
484 #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \
485 decode_sequence_maxsz + \
486 decode_putfh_maxsz + \
487 decode_close_maxsz + \
488 decode_getattr_maxsz)
489 #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \
490 encode_sequence_maxsz + \
491 encode_putfh_maxsz + \
492 encode_setattr_maxsz + \
493 encode_getattr_maxsz)
494 #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \
495 decode_sequence_maxsz + \
496 decode_putfh_maxsz + \
497 decode_setattr_maxsz + \
498 decode_getattr_maxsz)
499 #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \
500 encode_sequence_maxsz + \
501 encode_putfh_maxsz + \
503 #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \
504 decode_sequence_maxsz + \
505 decode_putfh_maxsz + \
507 #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \
509 #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \
511 #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \
512 encode_setclientid_maxsz)
513 #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \
514 decode_setclientid_maxsz)
515 #define NFS4_enc_setclientid_confirm_sz \
516 (compound_encode_hdr_maxsz + \
517 encode_setclientid_confirm_maxsz + \
518 encode_putrootfh_maxsz + \
520 #define NFS4_dec_setclientid_confirm_sz \
521 (compound_decode_hdr_maxsz + \
522 decode_setclientid_confirm_maxsz + \
523 decode_putrootfh_maxsz + \
525 #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \
526 encode_sequence_maxsz + \
527 encode_putfh_maxsz + \
529 #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \
530 decode_sequence_maxsz + \
531 decode_putfh_maxsz + \
533 #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \
534 encode_sequence_maxsz + \
535 encode_putfh_maxsz + \
537 #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \
538 decode_sequence_maxsz + \
539 decode_putfh_maxsz + \
541 #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \
542 encode_sequence_maxsz + \
543 encode_putfh_maxsz + \
545 #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \
546 decode_sequence_maxsz + \
547 decode_putfh_maxsz + \
549 #define NFS4_enc_release_lockowner_sz \
550 (compound_encode_hdr_maxsz + \
551 encode_lockowner_maxsz)
552 #define NFS4_dec_release_lockowner_sz \
553 (compound_decode_hdr_maxsz + \
554 decode_lockowner_maxsz)
555 #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \
556 encode_sequence_maxsz + \
557 encode_putfh_maxsz + \
558 encode_access_maxsz + \
559 encode_getattr_maxsz)
560 #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \
561 decode_sequence_maxsz + \
562 decode_putfh_maxsz + \
563 decode_access_maxsz + \
564 decode_getattr_maxsz)
565 #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \
566 encode_sequence_maxsz + \
567 encode_putfh_maxsz + \
568 encode_getattr_maxsz)
569 #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \
570 decode_sequence_maxsz + \
571 decode_putfh_maxsz + \
572 decode_getattr_maxsz)
573 #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \
574 encode_sequence_maxsz + \
575 encode_putfh_maxsz + \
576 encode_lookup_maxsz + \
577 encode_getattr_maxsz + \
579 #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \
580 decode_sequence_maxsz + \
581 decode_putfh_maxsz + \
582 decode_lookup_maxsz + \
583 decode_getattr_maxsz + \
585 #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \
586 encode_sequence_maxsz + \
587 encode_putrootfh_maxsz + \
588 encode_getattr_maxsz + \
590 #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \
591 decode_sequence_maxsz + \
592 decode_putrootfh_maxsz + \
593 decode_getattr_maxsz + \
595 #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \
596 encode_sequence_maxsz + \
597 encode_putfh_maxsz + \
598 encode_remove_maxsz + \
599 encode_getattr_maxsz)
600 #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \
601 decode_sequence_maxsz + \
602 decode_putfh_maxsz + \
603 decode_remove_maxsz + \
604 decode_getattr_maxsz)
605 #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \
606 encode_sequence_maxsz + \
607 encode_putfh_maxsz + \
608 encode_savefh_maxsz + \
609 encode_putfh_maxsz + \
610 encode_rename_maxsz + \
611 encode_getattr_maxsz + \
612 encode_restorefh_maxsz + \
613 encode_getattr_maxsz)
614 #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \
615 decode_sequence_maxsz + \
616 decode_putfh_maxsz + \
617 decode_savefh_maxsz + \
618 decode_putfh_maxsz + \
619 decode_rename_maxsz + \
620 decode_getattr_maxsz + \
621 decode_restorefh_maxsz + \
622 decode_getattr_maxsz)
623 #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \
624 encode_sequence_maxsz + \
625 encode_putfh_maxsz + \
626 encode_savefh_maxsz + \
627 encode_putfh_maxsz + \
628 encode_link_maxsz + \
629 decode_getattr_maxsz + \
630 encode_restorefh_maxsz + \
631 decode_getattr_maxsz)
632 #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \
633 decode_sequence_maxsz + \
634 decode_putfh_maxsz + \
635 decode_savefh_maxsz + \
636 decode_putfh_maxsz + \
637 decode_link_maxsz + \
638 decode_getattr_maxsz + \
639 decode_restorefh_maxsz + \
640 decode_getattr_maxsz)
641 #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \
642 encode_sequence_maxsz + \
643 encode_putfh_maxsz + \
644 encode_symlink_maxsz + \
645 encode_getattr_maxsz + \
647 #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \
648 decode_sequence_maxsz + \
649 decode_putfh_maxsz + \
650 decode_symlink_maxsz + \
651 decode_getattr_maxsz + \
653 #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \
654 encode_sequence_maxsz + \
655 encode_putfh_maxsz + \
656 encode_savefh_maxsz + \
657 encode_create_maxsz + \
658 encode_getfh_maxsz + \
659 encode_getattr_maxsz + \
660 encode_restorefh_maxsz + \
661 encode_getattr_maxsz)
662 #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \
663 decode_sequence_maxsz + \
664 decode_putfh_maxsz + \
665 decode_savefh_maxsz + \
666 decode_create_maxsz + \
667 decode_getfh_maxsz + \
668 decode_getattr_maxsz + \
669 decode_restorefh_maxsz + \
670 decode_getattr_maxsz)
671 #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \
672 encode_sequence_maxsz + \
673 encode_putfh_maxsz + \
674 encode_getattr_maxsz)
675 #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \
676 decode_sequence_maxsz + \
677 decode_putfh_maxsz + \
678 decode_getattr_maxsz)
679 #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \
680 encode_sequence_maxsz + \
681 encode_putfh_maxsz + \
683 #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \
684 decode_sequence_maxsz + \
685 decode_putfh_maxsz + \
687 #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \
688 encode_sequence_maxsz + \
689 encode_putfh_maxsz + \
690 encode_getattr_maxsz)
691 #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \
692 decode_sequence_maxsz + \
693 decode_putfh_maxsz + \
694 decode_getattr_maxsz)
695 #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \
696 encode_sequence_maxsz + \
697 encode_putfh_maxsz + \
698 encode_delegreturn_maxsz + \
699 encode_getattr_maxsz)
700 #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \
701 decode_sequence_maxsz + \
702 decode_delegreturn_maxsz + \
703 decode_getattr_maxsz)
704 #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \
705 encode_sequence_maxsz + \
706 encode_putfh_maxsz + \
708 #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \
709 decode_sequence_maxsz + \
710 decode_putfh_maxsz + \
712 #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \
713 encode_sequence_maxsz + \
714 encode_putfh_maxsz + \
716 #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \
717 decode_sequence_maxsz + \
718 decode_putfh_maxsz + \
720 #define NFS4_enc_fs_locations_sz \
721 (compound_encode_hdr_maxsz + \
722 encode_sequence_maxsz + \
723 encode_putfh_maxsz + \
724 encode_lookup_maxsz + \
725 encode_fs_locations_maxsz)
726 #define NFS4_dec_fs_locations_sz \
727 (compound_decode_hdr_maxsz + \
728 decode_sequence_maxsz + \
729 decode_putfh_maxsz + \
730 decode_lookup_maxsz + \
731 decode_fs_locations_maxsz)
732 #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \
733 encode_sequence_maxsz + \
734 encode_putfh_maxsz + \
735 encode_secinfo_maxsz)
736 #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \
737 decode_sequence_maxsz + \
738 decode_putfh_maxsz + \
739 decode_secinfo_maxsz)
740 #if defined(CONFIG_NFS_V4_1)
741 #define NFS4_enc_exchange_id_sz \
742 (compound_encode_hdr_maxsz + \
743 encode_exchange_id_maxsz)
744 #define NFS4_dec_exchange_id_sz \
745 (compound_decode_hdr_maxsz + \
746 decode_exchange_id_maxsz)
747 #define NFS4_enc_create_session_sz \
748 (compound_encode_hdr_maxsz + \
749 encode_create_session_maxsz)
750 #define NFS4_dec_create_session_sz \
751 (compound_decode_hdr_maxsz + \
752 decode_create_session_maxsz)
753 #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \
754 encode_destroy_session_maxsz)
755 #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \
756 decode_destroy_session_maxsz)
757 #define NFS4_enc_sequence_sz \
758 (compound_decode_hdr_maxsz + \
759 encode_sequence_maxsz)
760 #define NFS4_dec_sequence_sz \
761 (compound_decode_hdr_maxsz + \
762 decode_sequence_maxsz)
763 #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \
764 encode_sequence_maxsz + \
765 encode_putrootfh_maxsz + \
767 #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \
768 decode_sequence_maxsz + \
769 decode_putrootfh_maxsz + \
771 #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \
772 encode_sequence_maxsz + \
773 encode_reclaim_complete_maxsz)
774 #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \
775 decode_sequence_maxsz + \
776 decode_reclaim_complete_maxsz)
777 #define NFS4_enc_getdevicelist_sz (compound_encode_hdr_maxsz + \
778 encode_sequence_maxsz + \
779 encode_putfh_maxsz + \
780 encode_getdevicelist_maxsz)
781 #define NFS4_dec_getdevicelist_sz (compound_decode_hdr_maxsz + \
782 decode_sequence_maxsz + \
783 decode_putfh_maxsz + \
784 decode_getdevicelist_maxsz)
785 #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \
786 encode_sequence_maxsz +\
787 encode_getdeviceinfo_maxsz)
788 #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \
789 decode_sequence_maxsz + \
790 decode_getdeviceinfo_maxsz)
791 #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \
792 encode_sequence_maxsz + \
793 encode_putfh_maxsz + \
794 encode_layoutget_maxsz)
795 #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \
796 decode_sequence_maxsz + \
797 decode_putfh_maxsz + \
798 decode_layoutget_maxsz)
799 #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \
800 encode_sequence_maxsz +\
801 encode_putfh_maxsz + \
802 encode_layoutcommit_maxsz + \
803 encode_getattr_maxsz)
804 #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \
805 decode_sequence_maxsz + \
806 decode_putfh_maxsz + \
807 decode_layoutcommit_maxsz + \
808 decode_getattr_maxsz)
809 #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \
810 encode_sequence_maxsz + \
811 encode_putfh_maxsz + \
812 encode_layoutreturn_maxsz)
813 #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \
814 decode_sequence_maxsz + \
815 decode_putfh_maxsz + \
816 decode_layoutreturn_maxsz)
817 #define NFS4_enc_secinfo_no_name_sz (compound_encode_hdr_maxsz + \
818 encode_sequence_maxsz + \
819 encode_putrootfh_maxsz +\
820 encode_secinfo_no_name_maxsz)
821 #define NFS4_dec_secinfo_no_name_sz (compound_decode_hdr_maxsz + \
822 decode_sequence_maxsz + \
823 decode_putrootfh_maxsz + \
824 decode_secinfo_no_name_maxsz)
825 #define NFS4_enc_test_stateid_sz (compound_encode_hdr_maxsz + \
826 encode_sequence_maxsz + \
827 encode_test_stateid_maxsz)
828 #define NFS4_dec_test_stateid_sz (compound_decode_hdr_maxsz + \
829 decode_sequence_maxsz + \
830 decode_test_stateid_maxsz)
831 #define NFS4_enc_free_stateid_sz (compound_encode_hdr_maxsz + \
832 encode_sequence_maxsz + \
833 encode_free_stateid_maxsz)
834 #define NFS4_dec_free_stateid_sz (compound_decode_hdr_maxsz + \
835 decode_sequence_maxsz + \
836 decode_free_stateid_maxsz)
838 const u32 nfs41_maxwrite_overhead
= ((RPC_MAX_HEADER_WITH_AUTH
+
839 compound_encode_hdr_maxsz
+
840 encode_sequence_maxsz
+
842 encode_getattr_maxsz
) *
845 const u32 nfs41_maxread_overhead
= ((RPC_MAX_HEADER_WITH_AUTH
+
846 compound_decode_hdr_maxsz
+
847 decode_sequence_maxsz
+
848 decode_putfh_maxsz
) *
850 #endif /* CONFIG_NFS_V4_1 */
852 static unsigned short send_implementation_id
= 1;
854 module_param(send_implementation_id
, ushort
, 0644);
855 MODULE_PARM_DESC(send_implementation_id
,
856 "Send implementation ID with NFSv4.1 exchange_id");
858 static const umode_t nfs_type2fmt
[] = {
865 [NF4SOCK
] = S_IFSOCK
,
871 struct compound_hdr
{
877 uint32_t replen
; /* expected reply words */
881 static __be32
*reserve_space(struct xdr_stream
*xdr
, size_t nbytes
)
883 __be32
*p
= xdr_reserve_space(xdr
, nbytes
);
888 static void encode_opaque_fixed(struct xdr_stream
*xdr
, const void *buf
, size_t len
)
892 p
= xdr_reserve_space(xdr
, len
);
893 xdr_encode_opaque_fixed(p
, buf
, len
);
896 static void encode_string(struct xdr_stream
*xdr
, unsigned int len
, const char *str
)
900 p
= reserve_space(xdr
, 4 + len
);
901 xdr_encode_opaque(p
, str
, len
);
904 static void encode_uint32(struct xdr_stream
*xdr
, u32 n
)
908 p
= reserve_space(xdr
, 4);
912 static void encode_uint64(struct xdr_stream
*xdr
, u64 n
)
916 p
= reserve_space(xdr
, 8);
917 xdr_encode_hyper(p
, n
);
920 static void encode_nfs4_seqid(struct xdr_stream
*xdr
,
921 const struct nfs_seqid
*seqid
)
923 encode_uint32(xdr
, seqid
->sequence
->counter
);
926 static void encode_compound_hdr(struct xdr_stream
*xdr
,
927 struct rpc_rqst
*req
,
928 struct compound_hdr
*hdr
)
931 struct rpc_auth
*auth
= req
->rq_cred
->cr_auth
;
933 /* initialize running count of expected bytes in reply.
934 * NOTE: the replied tag SHOULD be the same is the one sent,
935 * but this is not required as a MUST for the server to do so. */
936 hdr
->replen
= RPC_REPHDRSIZE
+ auth
->au_rslack
+ 3 + hdr
->taglen
;
938 BUG_ON(hdr
->taglen
> NFS4_MAXTAGLEN
);
939 encode_string(xdr
, hdr
->taglen
, hdr
->tag
);
940 p
= reserve_space(xdr
, 8);
941 *p
++ = cpu_to_be32(hdr
->minorversion
);
943 *p
= cpu_to_be32(hdr
->nops
);
946 static void encode_op_hdr(struct xdr_stream
*xdr
, enum nfs_opnum4 op
,
948 struct compound_hdr
*hdr
)
950 encode_uint32(xdr
, op
);
952 hdr
->replen
+= replen
;
955 static void encode_nops(struct compound_hdr
*hdr
)
957 BUG_ON(hdr
->nops
> NFS4_MAX_OPS
);
958 *hdr
->nops_p
= htonl(hdr
->nops
);
961 static void encode_nfs4_stateid(struct xdr_stream
*xdr
, const nfs4_stateid
*stateid
)
963 encode_opaque_fixed(xdr
, stateid
, NFS4_STATEID_SIZE
);
966 static void encode_nfs4_verifier(struct xdr_stream
*xdr
, const nfs4_verifier
*verf
)
968 encode_opaque_fixed(xdr
, verf
->data
, NFS4_VERIFIER_SIZE
);
971 static void encode_attrs(struct xdr_stream
*xdr
, const struct iattr
*iap
, const struct nfs_server
*server
)
973 char owner_name
[IDMAP_NAMESZ
];
974 char owner_group
[IDMAP_NAMESZ
];
975 int owner_namelen
= 0;
976 int owner_grouplen
= 0;
984 * We reserve enough space to write the entire attribute buffer at once.
985 * In the worst-case, this would be
986 * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime)
987 * = 36 bytes, plus any contribution from variable-length fields
988 * such as owner/group.
993 if (iap
->ia_valid
& ATTR_SIZE
)
995 if (iap
->ia_valid
& ATTR_MODE
)
997 if (iap
->ia_valid
& ATTR_UID
) {
998 owner_namelen
= nfs_map_uid_to_name(server
, iap
->ia_uid
, owner_name
, IDMAP_NAMESZ
);
999 if (owner_namelen
< 0) {
1000 dprintk("nfs: couldn't resolve uid %d to string\n",
1003 strcpy(owner_name
, "nobody");
1004 owner_namelen
= sizeof("nobody") - 1;
1007 len
+= 4 + (XDR_QUADLEN(owner_namelen
) << 2);
1009 if (iap
->ia_valid
& ATTR_GID
) {
1010 owner_grouplen
= nfs_map_gid_to_group(server
, iap
->ia_gid
, owner_group
, IDMAP_NAMESZ
);
1011 if (owner_grouplen
< 0) {
1012 dprintk("nfs: couldn't resolve gid %d to string\n",
1014 strcpy(owner_group
, "nobody");
1015 owner_grouplen
= sizeof("nobody") - 1;
1018 len
+= 4 + (XDR_QUADLEN(owner_grouplen
) << 2);
1020 if (iap
->ia_valid
& ATTR_ATIME_SET
)
1022 else if (iap
->ia_valid
& ATTR_ATIME
)
1024 if (iap
->ia_valid
& ATTR_MTIME_SET
)
1026 else if (iap
->ia_valid
& ATTR_MTIME
)
1028 p
= reserve_space(xdr
, len
);
1031 * We write the bitmap length now, but leave the bitmap and the attribute
1032 * buffer length to be backfilled at the end of this routine.
1034 *p
++ = cpu_to_be32(2);
1038 if (iap
->ia_valid
& ATTR_SIZE
) {
1039 bmval0
|= FATTR4_WORD0_SIZE
;
1040 p
= xdr_encode_hyper(p
, iap
->ia_size
);
1042 if (iap
->ia_valid
& ATTR_MODE
) {
1043 bmval1
|= FATTR4_WORD1_MODE
;
1044 *p
++ = cpu_to_be32(iap
->ia_mode
& S_IALLUGO
);
1046 if (iap
->ia_valid
& ATTR_UID
) {
1047 bmval1
|= FATTR4_WORD1_OWNER
;
1048 p
= xdr_encode_opaque(p
, owner_name
, owner_namelen
);
1050 if (iap
->ia_valid
& ATTR_GID
) {
1051 bmval1
|= FATTR4_WORD1_OWNER_GROUP
;
1052 p
= xdr_encode_opaque(p
, owner_group
, owner_grouplen
);
1054 if (iap
->ia_valid
& ATTR_ATIME_SET
) {
1055 bmval1
|= FATTR4_WORD1_TIME_ACCESS_SET
;
1056 *p
++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME
);
1057 *p
++ = cpu_to_be32(0);
1058 *p
++ = cpu_to_be32(iap
->ia_atime
.tv_sec
);
1059 *p
++ = cpu_to_be32(iap
->ia_atime
.tv_nsec
);
1061 else if (iap
->ia_valid
& ATTR_ATIME
) {
1062 bmval1
|= FATTR4_WORD1_TIME_ACCESS_SET
;
1063 *p
++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME
);
1065 if (iap
->ia_valid
& ATTR_MTIME_SET
) {
1066 bmval1
|= FATTR4_WORD1_TIME_MODIFY_SET
;
1067 *p
++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME
);
1068 *p
++ = cpu_to_be32(0);
1069 *p
++ = cpu_to_be32(iap
->ia_mtime
.tv_sec
);
1070 *p
++ = cpu_to_be32(iap
->ia_mtime
.tv_nsec
);
1072 else if (iap
->ia_valid
& ATTR_MTIME
) {
1073 bmval1
|= FATTR4_WORD1_TIME_MODIFY_SET
;
1074 *p
++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME
);
1078 * Now we backfill the bitmap and the attribute buffer length.
1080 if (len
!= ((char *)p
- (char *)q
) + 4) {
1081 printk(KERN_ERR
"NFS: Attr length error, %u != %Zu\n",
1082 len
, ((char *)p
- (char *)q
) + 4);
1085 len
= (char *)p
- (char *)q
- 12;
1086 *q
++ = htonl(bmval0
);
1087 *q
++ = htonl(bmval1
);
1093 static void encode_access(struct xdr_stream
*xdr
, u32 access
, struct compound_hdr
*hdr
)
1095 encode_op_hdr(xdr
, OP_ACCESS
, decode_access_maxsz
, hdr
);
1096 encode_uint32(xdr
, access
);
1099 static void encode_close(struct xdr_stream
*xdr
, const struct nfs_closeargs
*arg
, struct compound_hdr
*hdr
)
1101 encode_op_hdr(xdr
, OP_CLOSE
, decode_close_maxsz
, hdr
);
1102 encode_nfs4_seqid(xdr
, arg
->seqid
);
1103 encode_nfs4_stateid(xdr
, arg
->stateid
);
1106 static void encode_commit(struct xdr_stream
*xdr
, const struct nfs_writeargs
*args
, struct compound_hdr
*hdr
)
1110 encode_op_hdr(xdr
, OP_COMMIT
, decode_commit_maxsz
, hdr
);
1111 p
= reserve_space(xdr
, 12);
1112 p
= xdr_encode_hyper(p
, args
->offset
);
1113 *p
= cpu_to_be32(args
->count
);
1116 static void encode_create(struct xdr_stream
*xdr
, const struct nfs4_create_arg
*create
, struct compound_hdr
*hdr
)
1120 encode_op_hdr(xdr
, OP_CREATE
, decode_create_maxsz
, hdr
);
1121 encode_uint32(xdr
, create
->ftype
);
1123 switch (create
->ftype
) {
1125 p
= reserve_space(xdr
, 4);
1126 *p
= cpu_to_be32(create
->u
.symlink
.len
);
1127 xdr_write_pages(xdr
, create
->u
.symlink
.pages
, 0, create
->u
.symlink
.len
);
1130 case NF4BLK
: case NF4CHR
:
1131 p
= reserve_space(xdr
, 8);
1132 *p
++ = cpu_to_be32(create
->u
.device
.specdata1
);
1133 *p
= cpu_to_be32(create
->u
.device
.specdata2
);
1140 encode_string(xdr
, create
->name
->len
, create
->name
->name
);
1141 encode_attrs(xdr
, create
->attrs
, create
->server
);
1144 static void encode_getattr_one(struct xdr_stream
*xdr
, uint32_t bitmap
, struct compound_hdr
*hdr
)
1148 encode_op_hdr(xdr
, OP_GETATTR
, decode_getattr_maxsz
, hdr
);
1149 p
= reserve_space(xdr
, 8);
1150 *p
++ = cpu_to_be32(1);
1151 *p
= cpu_to_be32(bitmap
);
1154 static void encode_getattr_two(struct xdr_stream
*xdr
, uint32_t bm0
, uint32_t bm1
, struct compound_hdr
*hdr
)
1158 encode_op_hdr(xdr
, OP_GETATTR
, decode_getattr_maxsz
, hdr
);
1159 p
= reserve_space(xdr
, 12);
1160 *p
++ = cpu_to_be32(2);
1161 *p
++ = cpu_to_be32(bm0
);
1162 *p
= cpu_to_be32(bm1
);
1166 encode_getattr_three(struct xdr_stream
*xdr
,
1167 uint32_t bm0
, uint32_t bm1
, uint32_t bm2
,
1168 struct compound_hdr
*hdr
)
1172 encode_op_hdr(xdr
, OP_GETATTR
, decode_getattr_maxsz
, hdr
);
1174 p
= reserve_space(xdr
, 16);
1175 *p
++ = cpu_to_be32(3);
1176 *p
++ = cpu_to_be32(bm0
);
1177 *p
++ = cpu_to_be32(bm1
);
1178 *p
= cpu_to_be32(bm2
);
1180 p
= reserve_space(xdr
, 12);
1181 *p
++ = cpu_to_be32(2);
1182 *p
++ = cpu_to_be32(bm0
);
1183 *p
= cpu_to_be32(bm1
);
1185 p
= reserve_space(xdr
, 8);
1186 *p
++ = cpu_to_be32(1);
1187 *p
= cpu_to_be32(bm0
);
1191 static void encode_getfattr(struct xdr_stream
*xdr
, const u32
* bitmask
, struct compound_hdr
*hdr
)
1193 encode_getattr_two(xdr
, bitmask
[0] & nfs4_fattr_bitmap
[0],
1194 bitmask
[1] & nfs4_fattr_bitmap
[1], hdr
);
1197 static void encode_fsinfo(struct xdr_stream
*xdr
, const u32
* bitmask
, struct compound_hdr
*hdr
)
1199 encode_getattr_three(xdr
,
1200 bitmask
[0] & nfs4_fsinfo_bitmap
[0],
1201 bitmask
[1] & nfs4_fsinfo_bitmap
[1],
1202 bitmask
[2] & nfs4_fsinfo_bitmap
[2],
1206 static void encode_fs_locations(struct xdr_stream
*xdr
, const u32
* bitmask
, struct compound_hdr
*hdr
)
1208 encode_getattr_two(xdr
, bitmask
[0] & nfs4_fs_locations_bitmap
[0],
1209 bitmask
[1] & nfs4_fs_locations_bitmap
[1], hdr
);
1212 static void encode_getfh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1214 encode_op_hdr(xdr
, OP_GETFH
, decode_getfh_maxsz
, hdr
);
1217 static void encode_link(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1219 encode_op_hdr(xdr
, OP_LINK
, decode_link_maxsz
, hdr
);
1220 encode_string(xdr
, name
->len
, name
->name
);
1223 static inline int nfs4_lock_type(struct file_lock
*fl
, int block
)
1225 if ((fl
->fl_type
& (F_RDLCK
|F_WRLCK
|F_UNLCK
)) == F_RDLCK
)
1226 return block
? NFS4_READW_LT
: NFS4_READ_LT
;
1227 return block
? NFS4_WRITEW_LT
: NFS4_WRITE_LT
;
1230 static inline uint64_t nfs4_lock_length(struct file_lock
*fl
)
1232 if (fl
->fl_end
== OFFSET_MAX
)
1233 return ~(uint64_t)0;
1234 return fl
->fl_end
- fl
->fl_start
+ 1;
1237 static void encode_lockowner(struct xdr_stream
*xdr
, const struct nfs_lowner
*lowner
)
1241 p
= reserve_space(xdr
, 32);
1242 p
= xdr_encode_hyper(p
, lowner
->clientid
);
1243 *p
++ = cpu_to_be32(20);
1244 p
= xdr_encode_opaque_fixed(p
, "lock id:", 8);
1245 *p
++ = cpu_to_be32(lowner
->s_dev
);
1246 xdr_encode_hyper(p
, lowner
->id
);
1250 * opcode,type,reclaim,offset,length,new_lock_owner = 32
1251 * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40
1253 static void encode_lock(struct xdr_stream
*xdr
, const struct nfs_lock_args
*args
, struct compound_hdr
*hdr
)
1257 encode_op_hdr(xdr
, OP_LOCK
, decode_lock_maxsz
, hdr
);
1258 p
= reserve_space(xdr
, 28);
1259 *p
++ = cpu_to_be32(nfs4_lock_type(args
->fl
, args
->block
));
1260 *p
++ = cpu_to_be32(args
->reclaim
);
1261 p
= xdr_encode_hyper(p
, args
->fl
->fl_start
);
1262 p
= xdr_encode_hyper(p
, nfs4_lock_length(args
->fl
));
1263 *p
= cpu_to_be32(args
->new_lock_owner
);
1264 if (args
->new_lock_owner
){
1265 encode_nfs4_seqid(xdr
, args
->open_seqid
);
1266 encode_nfs4_stateid(xdr
, args
->open_stateid
);
1267 encode_nfs4_seqid(xdr
, args
->lock_seqid
);
1268 encode_lockowner(xdr
, &args
->lock_owner
);
1271 encode_nfs4_stateid(xdr
, args
->lock_stateid
);
1272 encode_nfs4_seqid(xdr
, args
->lock_seqid
);
1276 static void encode_lockt(struct xdr_stream
*xdr
, const struct nfs_lockt_args
*args
, struct compound_hdr
*hdr
)
1280 encode_op_hdr(xdr
, OP_LOCKT
, decode_lockt_maxsz
, hdr
);
1281 p
= reserve_space(xdr
, 20);
1282 *p
++ = cpu_to_be32(nfs4_lock_type(args
->fl
, 0));
1283 p
= xdr_encode_hyper(p
, args
->fl
->fl_start
);
1284 p
= xdr_encode_hyper(p
, nfs4_lock_length(args
->fl
));
1285 encode_lockowner(xdr
, &args
->lock_owner
);
1288 static void encode_locku(struct xdr_stream
*xdr
, const struct nfs_locku_args
*args
, struct compound_hdr
*hdr
)
1292 encode_op_hdr(xdr
, OP_LOCKU
, decode_locku_maxsz
, hdr
);
1293 encode_uint32(xdr
, nfs4_lock_type(args
->fl
, 0));
1294 encode_nfs4_seqid(xdr
, args
->seqid
);
1295 encode_nfs4_stateid(xdr
, args
->stateid
);
1296 p
= reserve_space(xdr
, 16);
1297 p
= xdr_encode_hyper(p
, args
->fl
->fl_start
);
1298 xdr_encode_hyper(p
, nfs4_lock_length(args
->fl
));
1301 static void encode_release_lockowner(struct xdr_stream
*xdr
, const struct nfs_lowner
*lowner
, struct compound_hdr
*hdr
)
1303 encode_op_hdr(xdr
, OP_RELEASE_LOCKOWNER
, decode_release_lockowner_maxsz
, hdr
);
1304 encode_lockowner(xdr
, lowner
);
1307 static void encode_lookup(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1309 encode_op_hdr(xdr
, OP_LOOKUP
, decode_lookup_maxsz
, hdr
);
1310 encode_string(xdr
, name
->len
, name
->name
);
1313 static void encode_share_access(struct xdr_stream
*xdr
, fmode_t fmode
)
1317 p
= reserve_space(xdr
, 8);
1318 switch (fmode
& (FMODE_READ
|FMODE_WRITE
)) {
1320 *p
++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ
);
1323 *p
++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE
);
1325 case FMODE_READ
|FMODE_WRITE
:
1326 *p
++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH
);
1329 *p
++ = cpu_to_be32(0);
1331 *p
= cpu_to_be32(0); /* for linux, share_deny = 0 always */
1334 static inline void encode_openhdr(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
)
1338 * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4,
1341 encode_nfs4_seqid(xdr
, arg
->seqid
);
1342 encode_share_access(xdr
, arg
->fmode
);
1343 p
= reserve_space(xdr
, 36);
1344 p
= xdr_encode_hyper(p
, arg
->clientid
);
1345 *p
++ = cpu_to_be32(24);
1346 p
= xdr_encode_opaque_fixed(p
, "open id:", 8);
1347 *p
++ = cpu_to_be32(arg
->server
->s_dev
);
1348 *p
++ = cpu_to_be32(arg
->id
.uniquifier
);
1349 xdr_encode_hyper(p
, arg
->id
.create_time
);
1352 static inline void encode_createmode(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
)
1355 struct nfs_client
*clp
;
1357 p
= reserve_space(xdr
, 4);
1358 switch(arg
->open_flags
& O_EXCL
) {
1360 *p
= cpu_to_be32(NFS4_CREATE_UNCHECKED
);
1361 encode_attrs(xdr
, arg
->u
.attrs
, arg
->server
);
1364 clp
= arg
->server
->nfs_client
;
1365 if (clp
->cl_mvops
->minor_version
> 0) {
1366 if (nfs4_has_persistent_session(clp
)) {
1367 *p
= cpu_to_be32(NFS4_CREATE_GUARDED
);
1368 encode_attrs(xdr
, arg
->u
.attrs
, arg
->server
);
1372 *p
= cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1
);
1373 encode_nfs4_verifier(xdr
, &arg
->u
.verifier
);
1375 encode_attrs(xdr
, &dummy
, arg
->server
);
1378 *p
= cpu_to_be32(NFS4_CREATE_EXCLUSIVE
);
1379 encode_nfs4_verifier(xdr
, &arg
->u
.verifier
);
1384 static void encode_opentype(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
)
1388 p
= reserve_space(xdr
, 4);
1389 switch (arg
->open_flags
& O_CREAT
) {
1391 *p
= cpu_to_be32(NFS4_OPEN_NOCREATE
);
1394 BUG_ON(arg
->claim
!= NFS4_OPEN_CLAIM_NULL
);
1395 *p
= cpu_to_be32(NFS4_OPEN_CREATE
);
1396 encode_createmode(xdr
, arg
);
1400 static inline void encode_delegation_type(struct xdr_stream
*xdr
, fmode_t delegation_type
)
1404 p
= reserve_space(xdr
, 4);
1405 switch (delegation_type
) {
1407 *p
= cpu_to_be32(NFS4_OPEN_DELEGATE_NONE
);
1410 *p
= cpu_to_be32(NFS4_OPEN_DELEGATE_READ
);
1412 case FMODE_WRITE
|FMODE_READ
:
1413 *p
= cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE
);
1420 static inline void encode_claim_null(struct xdr_stream
*xdr
, const struct qstr
*name
)
1424 p
= reserve_space(xdr
, 4);
1425 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_NULL
);
1426 encode_string(xdr
, name
->len
, name
->name
);
1429 static inline void encode_claim_previous(struct xdr_stream
*xdr
, fmode_t type
)
1433 p
= reserve_space(xdr
, 4);
1434 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS
);
1435 encode_delegation_type(xdr
, type
);
1438 static inline void encode_claim_delegate_cur(struct xdr_stream
*xdr
, const struct qstr
*name
, const nfs4_stateid
*stateid
)
1442 p
= reserve_space(xdr
, 4);
1443 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR
);
1444 encode_nfs4_stateid(xdr
, stateid
);
1445 encode_string(xdr
, name
->len
, name
->name
);
1448 static void encode_open(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
, struct compound_hdr
*hdr
)
1450 encode_op_hdr(xdr
, OP_OPEN
, decode_open_maxsz
, hdr
);
1451 encode_openhdr(xdr
, arg
);
1452 encode_opentype(xdr
, arg
);
1453 switch (arg
->claim
) {
1454 case NFS4_OPEN_CLAIM_NULL
:
1455 encode_claim_null(xdr
, arg
->name
);
1457 case NFS4_OPEN_CLAIM_PREVIOUS
:
1458 encode_claim_previous(xdr
, arg
->u
.delegation_type
);
1460 case NFS4_OPEN_CLAIM_DELEGATE_CUR
:
1461 encode_claim_delegate_cur(xdr
, arg
->name
, &arg
->u
.delegation
);
1468 static void encode_open_confirm(struct xdr_stream
*xdr
, const struct nfs_open_confirmargs
*arg
, struct compound_hdr
*hdr
)
1470 encode_op_hdr(xdr
, OP_OPEN_CONFIRM
, decode_open_confirm_maxsz
, hdr
);
1471 encode_nfs4_stateid(xdr
, arg
->stateid
);
1472 encode_nfs4_seqid(xdr
, arg
->seqid
);
1475 static void encode_open_downgrade(struct xdr_stream
*xdr
, const struct nfs_closeargs
*arg
, struct compound_hdr
*hdr
)
1477 encode_op_hdr(xdr
, OP_OPEN_DOWNGRADE
, decode_open_downgrade_maxsz
, hdr
);
1478 encode_nfs4_stateid(xdr
, arg
->stateid
);
1479 encode_nfs4_seqid(xdr
, arg
->seqid
);
1480 encode_share_access(xdr
, arg
->fmode
);
1484 encode_putfh(struct xdr_stream
*xdr
, const struct nfs_fh
*fh
, struct compound_hdr
*hdr
)
1486 encode_op_hdr(xdr
, OP_PUTFH
, decode_putfh_maxsz
, hdr
);
1487 encode_string(xdr
, fh
->size
, fh
->data
);
1490 static void encode_putrootfh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1492 encode_op_hdr(xdr
, OP_PUTROOTFH
, decode_putrootfh_maxsz
, hdr
);
1495 static void encode_open_stateid(struct xdr_stream
*xdr
,
1496 const struct nfs_open_context
*ctx
,
1497 const struct nfs_lock_context
*l_ctx
,
1501 nfs4_stateid stateid
;
1503 if (ctx
->state
!= NULL
) {
1504 nfs4_select_rw_stateid(&stateid
, ctx
->state
,
1505 fmode
, l_ctx
->lockowner
, l_ctx
->pid
);
1508 encode_nfs4_stateid(xdr
, &stateid
);
1510 encode_nfs4_stateid(xdr
, &zero_stateid
);
1513 static void encode_read(struct xdr_stream
*xdr
, const struct nfs_readargs
*args
, struct compound_hdr
*hdr
)
1517 encode_op_hdr(xdr
, OP_READ
, decode_read_maxsz
, hdr
);
1518 encode_open_stateid(xdr
, args
->context
, args
->lock_context
,
1519 FMODE_READ
, hdr
->minorversion
);
1521 p
= reserve_space(xdr
, 12);
1522 p
= xdr_encode_hyper(p
, args
->offset
);
1523 *p
= cpu_to_be32(args
->count
);
1526 static void encode_readdir(struct xdr_stream
*xdr
, const struct nfs4_readdir_arg
*readdir
, struct rpc_rqst
*req
, struct compound_hdr
*hdr
)
1528 uint32_t attrs
[2] = {
1529 FATTR4_WORD0_RDATTR_ERROR
,
1530 FATTR4_WORD1_MOUNTED_ON_FILEID
,
1532 uint32_t dircount
= readdir
->count
>> 1;
1535 if (readdir
->plus
) {
1536 attrs
[0] |= FATTR4_WORD0_TYPE
|FATTR4_WORD0_CHANGE
|FATTR4_WORD0_SIZE
|
1537 FATTR4_WORD0_FSID
|FATTR4_WORD0_FILEHANDLE
|FATTR4_WORD0_FILEID
;
1538 attrs
[1] |= FATTR4_WORD1_MODE
|FATTR4_WORD1_NUMLINKS
|FATTR4_WORD1_OWNER
|
1539 FATTR4_WORD1_OWNER_GROUP
|FATTR4_WORD1_RAWDEV
|
1540 FATTR4_WORD1_SPACE_USED
|FATTR4_WORD1_TIME_ACCESS
|
1541 FATTR4_WORD1_TIME_METADATA
|FATTR4_WORD1_TIME_MODIFY
;
1544 /* Use mounted_on_fileid only if the server supports it */
1545 if (!(readdir
->bitmask
[1] & FATTR4_WORD1_MOUNTED_ON_FILEID
))
1546 attrs
[0] |= FATTR4_WORD0_FILEID
;
1548 encode_op_hdr(xdr
, OP_READDIR
, decode_readdir_maxsz
, hdr
);
1549 encode_uint64(xdr
, readdir
->cookie
);
1550 encode_nfs4_verifier(xdr
, &readdir
->verifier
);
1551 p
= reserve_space(xdr
, 20);
1552 *p
++ = cpu_to_be32(dircount
);
1553 *p
++ = cpu_to_be32(readdir
->count
);
1554 *p
++ = cpu_to_be32(2);
1556 *p
++ = cpu_to_be32(attrs
[0] & readdir
->bitmask
[0]);
1557 *p
= cpu_to_be32(attrs
[1] & readdir
->bitmask
[1]);
1558 memcpy(verf
, readdir
->verifier
.data
, sizeof(verf
));
1559 dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n",
1561 (unsigned long long)readdir
->cookie
,
1563 attrs
[0] & readdir
->bitmask
[0],
1564 attrs
[1] & readdir
->bitmask
[1]);
1567 static void encode_readlink(struct xdr_stream
*xdr
, const struct nfs4_readlink
*readlink
, struct rpc_rqst
*req
, struct compound_hdr
*hdr
)
1569 encode_op_hdr(xdr
, OP_READLINK
, decode_readlink_maxsz
, hdr
);
1572 static void encode_remove(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1574 encode_op_hdr(xdr
, OP_REMOVE
, decode_remove_maxsz
, hdr
);
1575 encode_string(xdr
, name
->len
, name
->name
);
1578 static void encode_rename(struct xdr_stream
*xdr
, const struct qstr
*oldname
, const struct qstr
*newname
, struct compound_hdr
*hdr
)
1580 encode_op_hdr(xdr
, OP_RENAME
, decode_rename_maxsz
, hdr
);
1581 encode_string(xdr
, oldname
->len
, oldname
->name
);
1582 encode_string(xdr
, newname
->len
, newname
->name
);
1585 static void encode_renew(struct xdr_stream
*xdr
, clientid4 clid
,
1586 struct compound_hdr
*hdr
)
1588 encode_op_hdr(xdr
, OP_RENEW
, decode_renew_maxsz
, hdr
);
1589 encode_uint64(xdr
, clid
);
1593 encode_restorefh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1595 encode_op_hdr(xdr
, OP_RESTOREFH
, decode_restorefh_maxsz
, hdr
);
1599 encode_setacl(struct xdr_stream
*xdr
, struct nfs_setaclargs
*arg
, struct compound_hdr
*hdr
)
1603 encode_op_hdr(xdr
, OP_SETATTR
, decode_setacl_maxsz
, hdr
);
1604 encode_nfs4_stateid(xdr
, &zero_stateid
);
1605 p
= reserve_space(xdr
, 2*4);
1606 *p
++ = cpu_to_be32(1);
1607 *p
= cpu_to_be32(FATTR4_WORD0_ACL
);
1608 BUG_ON(arg
->acl_len
% 4);
1609 p
= reserve_space(xdr
, 4);
1610 *p
= cpu_to_be32(arg
->acl_len
);
1611 xdr_write_pages(xdr
, arg
->acl_pages
, arg
->acl_pgbase
, arg
->acl_len
);
1615 encode_savefh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1617 encode_op_hdr(xdr
, OP_SAVEFH
, decode_savefh_maxsz
, hdr
);
1620 static void encode_setattr(struct xdr_stream
*xdr
, const struct nfs_setattrargs
*arg
, const struct nfs_server
*server
, struct compound_hdr
*hdr
)
1622 encode_op_hdr(xdr
, OP_SETATTR
, decode_setattr_maxsz
, hdr
);
1623 encode_nfs4_stateid(xdr
, &arg
->stateid
);
1624 encode_attrs(xdr
, arg
->iap
, server
);
1627 static void encode_setclientid(struct xdr_stream
*xdr
, const struct nfs4_setclientid
*setclientid
, struct compound_hdr
*hdr
)
1631 encode_op_hdr(xdr
, OP_SETCLIENTID
, decode_setclientid_maxsz
, hdr
);
1632 encode_nfs4_verifier(xdr
, setclientid
->sc_verifier
);
1634 encode_string(xdr
, setclientid
->sc_name_len
, setclientid
->sc_name
);
1635 p
= reserve_space(xdr
, 4);
1636 *p
= cpu_to_be32(setclientid
->sc_prog
);
1637 encode_string(xdr
, setclientid
->sc_netid_len
, setclientid
->sc_netid
);
1638 encode_string(xdr
, setclientid
->sc_uaddr_len
, setclientid
->sc_uaddr
);
1639 p
= reserve_space(xdr
, 4);
1640 *p
= cpu_to_be32(setclientid
->sc_cb_ident
);
1643 static void encode_setclientid_confirm(struct xdr_stream
*xdr
, const struct nfs4_setclientid_res
*arg
, struct compound_hdr
*hdr
)
1645 encode_op_hdr(xdr
, OP_SETCLIENTID_CONFIRM
,
1646 decode_setclientid_confirm_maxsz
, hdr
);
1647 encode_uint64(xdr
, arg
->clientid
);
1648 encode_nfs4_verifier(xdr
, &arg
->confirm
);
1651 static void encode_write(struct xdr_stream
*xdr
, const struct nfs_writeargs
*args
, struct compound_hdr
*hdr
)
1655 encode_op_hdr(xdr
, OP_WRITE
, decode_write_maxsz
, hdr
);
1656 encode_open_stateid(xdr
, args
->context
, args
->lock_context
,
1657 FMODE_WRITE
, hdr
->minorversion
);
1659 p
= reserve_space(xdr
, 16);
1660 p
= xdr_encode_hyper(p
, args
->offset
);
1661 *p
++ = cpu_to_be32(args
->stable
);
1662 *p
= cpu_to_be32(args
->count
);
1664 xdr_write_pages(xdr
, args
->pages
, args
->pgbase
, args
->count
);
1667 static void encode_delegreturn(struct xdr_stream
*xdr
, const nfs4_stateid
*stateid
, struct compound_hdr
*hdr
)
1669 encode_op_hdr(xdr
, OP_DELEGRETURN
, decode_delegreturn_maxsz
, hdr
);
1670 encode_nfs4_stateid(xdr
, stateid
);
1673 static void encode_secinfo(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1675 encode_op_hdr(xdr
, OP_SECINFO
, decode_secinfo_maxsz
, hdr
);
1676 encode_string(xdr
, name
->len
, name
->name
);
1679 #if defined(CONFIG_NFS_V4_1)
1680 /* NFSv4.1 operations */
1681 static void encode_exchange_id(struct xdr_stream
*xdr
,
1682 struct nfs41_exchange_id_args
*args
,
1683 struct compound_hdr
*hdr
)
1686 char impl_name
[NFS4_OPAQUE_LIMIT
];
1689 encode_op_hdr(xdr
, OP_EXCHANGE_ID
, decode_exchange_id_maxsz
, hdr
);
1690 encode_nfs4_verifier(xdr
, args
->verifier
);
1692 encode_string(xdr
, args
->id_len
, args
->id
);
1694 p
= reserve_space(xdr
, 12);
1695 *p
++ = cpu_to_be32(args
->flags
);
1696 *p
++ = cpu_to_be32(0); /* zero length state_protect4_a */
1698 if (send_implementation_id
&&
1699 sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
) > 1 &&
1700 sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
)
1701 <= NFS4_OPAQUE_LIMIT
+ 1)
1702 len
= snprintf(impl_name
, sizeof(impl_name
), "%s %s %s %s",
1703 utsname()->sysname
, utsname()->release
,
1704 utsname()->version
, utsname()->machine
);
1707 *p
= cpu_to_be32(1); /* implementation id array length=1 */
1710 sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
) - 1,
1711 CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
);
1712 encode_string(xdr
, len
, impl_name
);
1713 /* just send zeros for nii_date - the date is in nii_name */
1714 p
= reserve_space(xdr
, 12);
1715 p
= xdr_encode_hyper(p
, 0);
1716 *p
= cpu_to_be32(0);
1718 *p
= cpu_to_be32(0); /* implementation id array length=0 */
1721 static void encode_create_session(struct xdr_stream
*xdr
,
1722 struct nfs41_create_session_args
*args
,
1723 struct compound_hdr
*hdr
)
1726 char machine_name
[NFS4_MAX_MACHINE_NAME_LEN
];
1728 struct nfs_client
*clp
= args
->client
;
1729 u32 max_resp_sz_cached
;
1732 * Assumes OPEN is the biggest non-idempotent compound.
1733 * 2 is the verifier.
1735 max_resp_sz_cached
= (NFS4_dec_open_sz
+ RPC_REPHDRSIZE
+
1736 RPC_MAX_AUTH_SIZE
+ 2) * XDR_UNIT
;
1738 len
= scnprintf(machine_name
, sizeof(machine_name
), "%s",
1741 encode_op_hdr(xdr
, OP_CREATE_SESSION
, decode_create_session_maxsz
, hdr
);
1742 p
= reserve_space(xdr
, 16 + 2*28 + 20 + len
+ 12);
1743 p
= xdr_encode_hyper(p
, clp
->cl_clientid
);
1744 *p
++ = cpu_to_be32(clp
->cl_seqid
); /*Sequence id */
1745 *p
++ = cpu_to_be32(args
->flags
); /*flags */
1748 *p
++ = cpu_to_be32(0); /* header padding size */
1749 *p
++ = cpu_to_be32(args
->fc_attrs
.max_rqst_sz
); /* max req size */
1750 *p
++ = cpu_to_be32(args
->fc_attrs
.max_resp_sz
); /* max resp size */
1751 *p
++ = cpu_to_be32(max_resp_sz_cached
); /* Max resp sz cached */
1752 *p
++ = cpu_to_be32(args
->fc_attrs
.max_ops
); /* max operations */
1753 *p
++ = cpu_to_be32(args
->fc_attrs
.max_reqs
); /* max requests */
1754 *p
++ = cpu_to_be32(0); /* rdmachannel_attrs */
1757 *p
++ = cpu_to_be32(0); /* header padding size */
1758 *p
++ = cpu_to_be32(args
->bc_attrs
.max_rqst_sz
); /* max req size */
1759 *p
++ = cpu_to_be32(args
->bc_attrs
.max_resp_sz
); /* max resp size */
1760 *p
++ = cpu_to_be32(args
->bc_attrs
.max_resp_sz_cached
); /* Max resp sz cached */
1761 *p
++ = cpu_to_be32(args
->bc_attrs
.max_ops
); /* max operations */
1762 *p
++ = cpu_to_be32(args
->bc_attrs
.max_reqs
); /* max requests */
1763 *p
++ = cpu_to_be32(0); /* rdmachannel_attrs */
1765 *p
++ = cpu_to_be32(args
->cb_program
); /* cb_program */
1766 *p
++ = cpu_to_be32(1);
1767 *p
++ = cpu_to_be32(RPC_AUTH_UNIX
); /* auth_sys */
1769 /* authsys_parms rfc1831 */
1770 *p
++ = cpu_to_be32((u32
)clp
->cl_boot_time
.tv_nsec
); /* stamp */
1771 p
= xdr_encode_opaque(p
, machine_name
, len
);
1772 *p
++ = cpu_to_be32(0); /* UID */
1773 *p
++ = cpu_to_be32(0); /* GID */
1774 *p
= cpu_to_be32(0); /* No more gids */
1777 static void encode_destroy_session(struct xdr_stream
*xdr
,
1778 struct nfs4_session
*session
,
1779 struct compound_hdr
*hdr
)
1781 encode_op_hdr(xdr
, OP_DESTROY_SESSION
, decode_destroy_session_maxsz
, hdr
);
1782 encode_opaque_fixed(xdr
, session
->sess_id
.data
, NFS4_MAX_SESSIONID_LEN
);
1785 static void encode_reclaim_complete(struct xdr_stream
*xdr
,
1786 struct nfs41_reclaim_complete_args
*args
,
1787 struct compound_hdr
*hdr
)
1789 encode_op_hdr(xdr
, OP_RECLAIM_COMPLETE
, decode_reclaim_complete_maxsz
, hdr
);
1790 encode_uint32(xdr
, args
->one_fs
);
1792 #endif /* CONFIG_NFS_V4_1 */
1794 static void encode_sequence(struct xdr_stream
*xdr
,
1795 const struct nfs4_sequence_args
*args
,
1796 struct compound_hdr
*hdr
)
1798 #if defined(CONFIG_NFS_V4_1)
1799 struct nfs4_session
*session
= args
->sa_session
;
1800 struct nfs4_slot_table
*tp
;
1801 struct nfs4_slot
*slot
;
1807 tp
= &session
->fc_slot_table
;
1809 WARN_ON(args
->sa_slotid
== NFS4_MAX_SLOT_TABLE
);
1810 slot
= tp
->slots
+ args
->sa_slotid
;
1812 encode_op_hdr(xdr
, OP_SEQUENCE
, decode_sequence_maxsz
, hdr
);
1815 * Sessionid + seqid + slotid + max slotid + cache_this
1817 dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d "
1818 "max_slotid=%d cache_this=%d\n",
1820 ((u32
*)session
->sess_id
.data
)[0],
1821 ((u32
*)session
->sess_id
.data
)[1],
1822 ((u32
*)session
->sess_id
.data
)[2],
1823 ((u32
*)session
->sess_id
.data
)[3],
1824 slot
->seq_nr
, args
->sa_slotid
,
1825 tp
->highest_used_slotid
, args
->sa_cache_this
);
1826 p
= reserve_space(xdr
, NFS4_MAX_SESSIONID_LEN
+ 16);
1827 p
= xdr_encode_opaque_fixed(p
, session
->sess_id
.data
, NFS4_MAX_SESSIONID_LEN
);
1828 *p
++ = cpu_to_be32(slot
->seq_nr
);
1829 *p
++ = cpu_to_be32(args
->sa_slotid
);
1830 *p
++ = cpu_to_be32(tp
->highest_used_slotid
);
1831 *p
= cpu_to_be32(args
->sa_cache_this
);
1832 #endif /* CONFIG_NFS_V4_1 */
1835 #ifdef CONFIG_NFS_V4_1
1837 encode_getdevicelist(struct xdr_stream
*xdr
,
1838 const struct nfs4_getdevicelist_args
*args
,
1839 struct compound_hdr
*hdr
)
1842 nfs4_verifier dummy
= {
1846 encode_op_hdr(xdr
, OP_GETDEVICELIST
, decode_getdevicelist_maxsz
, hdr
);
1847 p
= reserve_space(xdr
, 16);
1848 *p
++ = cpu_to_be32(args
->layoutclass
);
1849 *p
++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM
);
1850 xdr_encode_hyper(p
, 0ULL); /* cookie */
1851 encode_nfs4_verifier(xdr
, &dummy
);
1855 encode_getdeviceinfo(struct xdr_stream
*xdr
,
1856 const struct nfs4_getdeviceinfo_args
*args
,
1857 struct compound_hdr
*hdr
)
1861 encode_op_hdr(xdr
, OP_GETDEVICEINFO
, decode_getdeviceinfo_maxsz
, hdr
);
1862 p
= reserve_space(xdr
, 12 + NFS4_DEVICEID4_SIZE
);
1863 p
= xdr_encode_opaque_fixed(p
, args
->pdev
->dev_id
.data
,
1864 NFS4_DEVICEID4_SIZE
);
1865 *p
++ = cpu_to_be32(args
->pdev
->layout_type
);
1866 *p
++ = cpu_to_be32(args
->pdev
->pglen
); /* gdia_maxcount */
1867 *p
++ = cpu_to_be32(0); /* bitmap length 0 */
1871 encode_layoutget(struct xdr_stream
*xdr
,
1872 const struct nfs4_layoutget_args
*args
,
1873 struct compound_hdr
*hdr
)
1877 encode_op_hdr(xdr
, OP_LAYOUTGET
, decode_layoutget_maxsz
, hdr
);
1878 p
= reserve_space(xdr
, 36);
1879 *p
++ = cpu_to_be32(0); /* Signal layout available */
1880 *p
++ = cpu_to_be32(args
->type
);
1881 *p
++ = cpu_to_be32(args
->range
.iomode
);
1882 p
= xdr_encode_hyper(p
, args
->range
.offset
);
1883 p
= xdr_encode_hyper(p
, args
->range
.length
);
1884 p
= xdr_encode_hyper(p
, args
->minlength
);
1885 encode_nfs4_stateid(xdr
, &args
->stateid
);
1886 encode_uint32(xdr
, args
->maxcount
);
1888 dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n",
1892 (unsigned long)args
->range
.offset
,
1893 (unsigned long)args
->range
.length
,
1898 encode_layoutcommit(struct xdr_stream
*xdr
,
1899 struct inode
*inode
,
1900 const struct nfs4_layoutcommit_args
*args
,
1901 struct compound_hdr
*hdr
)
1905 dprintk("%s: lbw: %llu type: %d\n", __func__
, args
->lastbytewritten
,
1906 NFS_SERVER(args
->inode
)->pnfs_curr_ld
->id
);
1908 encode_op_hdr(xdr
, OP_LAYOUTCOMMIT
, decode_layoutcommit_maxsz
, hdr
);
1909 p
= reserve_space(xdr
, 20);
1910 /* Only whole file layouts */
1911 p
= xdr_encode_hyper(p
, 0); /* offset */
1912 p
= xdr_encode_hyper(p
, args
->lastbytewritten
+ 1); /* length */
1913 *p
= cpu_to_be32(0); /* reclaim */
1914 encode_nfs4_stateid(xdr
, &args
->stateid
);
1915 p
= reserve_space(xdr
, 20);
1916 *p
++ = cpu_to_be32(1); /* newoffset = TRUE */
1917 p
= xdr_encode_hyper(p
, args
->lastbytewritten
);
1918 *p
++ = cpu_to_be32(0); /* Never send time_modify_changed */
1919 *p
++ = cpu_to_be32(NFS_SERVER(args
->inode
)->pnfs_curr_ld
->id
);/* type */
1921 if (NFS_SERVER(inode
)->pnfs_curr_ld
->encode_layoutcommit
)
1922 NFS_SERVER(inode
)->pnfs_curr_ld
->encode_layoutcommit(
1923 NFS_I(inode
)->layout
, xdr
, args
);
1925 encode_uint32(xdr
, 0); /* no layout-type payload */
1931 encode_layoutreturn(struct xdr_stream
*xdr
,
1932 const struct nfs4_layoutreturn_args
*args
,
1933 struct compound_hdr
*hdr
)
1937 encode_op_hdr(xdr
, OP_LAYOUTRETURN
, decode_layoutreturn_maxsz
, hdr
);
1938 p
= reserve_space(xdr
, 16);
1939 *p
++ = cpu_to_be32(0); /* reclaim. always 0 for now */
1940 *p
++ = cpu_to_be32(args
->layout_type
);
1941 *p
++ = cpu_to_be32(IOMODE_ANY
);
1942 *p
= cpu_to_be32(RETURN_FILE
);
1943 p
= reserve_space(xdr
, 16);
1944 p
= xdr_encode_hyper(p
, 0);
1945 p
= xdr_encode_hyper(p
, NFS4_MAX_UINT64
);
1946 spin_lock(&args
->inode
->i_lock
);
1947 encode_nfs4_stateid(xdr
, &args
->stateid
);
1948 spin_unlock(&args
->inode
->i_lock
);
1949 if (NFS_SERVER(args
->inode
)->pnfs_curr_ld
->encode_layoutreturn
) {
1950 NFS_SERVER(args
->inode
)->pnfs_curr_ld
->encode_layoutreturn(
1951 NFS_I(args
->inode
)->layout
, xdr
, args
);
1953 encode_uint32(xdr
, 0);
1957 encode_secinfo_no_name(struct xdr_stream
*xdr
,
1958 const struct nfs41_secinfo_no_name_args
*args
,
1959 struct compound_hdr
*hdr
)
1961 encode_op_hdr(xdr
, OP_SECINFO_NO_NAME
, decode_secinfo_no_name_maxsz
, hdr
);
1962 encode_uint32(xdr
, args
->style
);
1966 static void encode_test_stateid(struct xdr_stream
*xdr
,
1967 struct nfs41_test_stateid_args
*args
,
1968 struct compound_hdr
*hdr
)
1970 encode_op_hdr(xdr
, OP_TEST_STATEID
, decode_test_stateid_maxsz
, hdr
);
1971 encode_uint32(xdr
, 1);
1972 encode_nfs4_stateid(xdr
, args
->stateid
);
1975 static void encode_free_stateid(struct xdr_stream
*xdr
,
1976 struct nfs41_free_stateid_args
*args
,
1977 struct compound_hdr
*hdr
)
1979 encode_op_hdr(xdr
, OP_FREE_STATEID
, decode_free_stateid_maxsz
, hdr
);
1980 encode_nfs4_stateid(xdr
, args
->stateid
);
1982 #endif /* CONFIG_NFS_V4_1 */
1985 * END OF "GENERIC" ENCODE ROUTINES.
1988 static u32
nfs4_xdr_minorversion(const struct nfs4_sequence_args
*args
)
1990 #if defined(CONFIG_NFS_V4_1)
1991 if (args
->sa_session
)
1992 return args
->sa_session
->clp
->cl_mvops
->minor_version
;
1993 #endif /* CONFIG_NFS_V4_1 */
1998 * Encode an ACCESS request
2000 static void nfs4_xdr_enc_access(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2001 const struct nfs4_accessargs
*args
)
2003 struct compound_hdr hdr
= {
2004 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2007 encode_compound_hdr(xdr
, req
, &hdr
);
2008 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2009 encode_putfh(xdr
, args
->fh
, &hdr
);
2010 encode_access(xdr
, args
->access
, &hdr
);
2011 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2016 * Encode LOOKUP request
2018 static void nfs4_xdr_enc_lookup(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2019 const struct nfs4_lookup_arg
*args
)
2021 struct compound_hdr hdr
= {
2022 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2025 encode_compound_hdr(xdr
, req
, &hdr
);
2026 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2027 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2028 encode_lookup(xdr
, args
->name
, &hdr
);
2029 encode_getfh(xdr
, &hdr
);
2030 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2035 * Encode LOOKUP_ROOT request
2037 static void nfs4_xdr_enc_lookup_root(struct rpc_rqst
*req
,
2038 struct xdr_stream
*xdr
,
2039 const struct nfs4_lookup_root_arg
*args
)
2041 struct compound_hdr hdr
= {
2042 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2045 encode_compound_hdr(xdr
, req
, &hdr
);
2046 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2047 encode_putrootfh(xdr
, &hdr
);
2048 encode_getfh(xdr
, &hdr
);
2049 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2054 * Encode REMOVE request
2056 static void nfs4_xdr_enc_remove(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2057 const struct nfs_removeargs
*args
)
2059 struct compound_hdr hdr
= {
2060 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2063 encode_compound_hdr(xdr
, req
, &hdr
);
2064 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2065 encode_putfh(xdr
, args
->fh
, &hdr
);
2066 encode_remove(xdr
, &args
->name
, &hdr
);
2067 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2072 * Encode RENAME request
2074 static void nfs4_xdr_enc_rename(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2075 const struct nfs_renameargs
*args
)
2077 struct compound_hdr hdr
= {
2078 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2081 encode_compound_hdr(xdr
, req
, &hdr
);
2082 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2083 encode_putfh(xdr
, args
->old_dir
, &hdr
);
2084 encode_savefh(xdr
, &hdr
);
2085 encode_putfh(xdr
, args
->new_dir
, &hdr
);
2086 encode_rename(xdr
, args
->old_name
, args
->new_name
, &hdr
);
2087 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2088 encode_restorefh(xdr
, &hdr
);
2089 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2094 * Encode LINK request
2096 static void nfs4_xdr_enc_link(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2097 const struct nfs4_link_arg
*args
)
2099 struct compound_hdr hdr
= {
2100 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2103 encode_compound_hdr(xdr
, req
, &hdr
);
2104 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2105 encode_putfh(xdr
, args
->fh
, &hdr
);
2106 encode_savefh(xdr
, &hdr
);
2107 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2108 encode_link(xdr
, args
->name
, &hdr
);
2109 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2110 encode_restorefh(xdr
, &hdr
);
2111 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2116 * Encode CREATE request
2118 static void nfs4_xdr_enc_create(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2119 const struct nfs4_create_arg
*args
)
2121 struct compound_hdr hdr
= {
2122 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2125 encode_compound_hdr(xdr
, req
, &hdr
);
2126 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2127 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2128 encode_savefh(xdr
, &hdr
);
2129 encode_create(xdr
, args
, &hdr
);
2130 encode_getfh(xdr
, &hdr
);
2131 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2132 encode_restorefh(xdr
, &hdr
);
2133 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2138 * Encode SYMLINK request
2140 static void nfs4_xdr_enc_symlink(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2141 const struct nfs4_create_arg
*args
)
2143 nfs4_xdr_enc_create(req
, xdr
, args
);
2147 * Encode GETATTR request
2149 static void nfs4_xdr_enc_getattr(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2150 const struct nfs4_getattr_arg
*args
)
2152 struct compound_hdr hdr
= {
2153 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2156 encode_compound_hdr(xdr
, req
, &hdr
);
2157 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2158 encode_putfh(xdr
, args
->fh
, &hdr
);
2159 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2164 * Encode a CLOSE request
2166 static void nfs4_xdr_enc_close(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2167 struct nfs_closeargs
*args
)
2169 struct compound_hdr hdr
= {
2170 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2173 encode_compound_hdr(xdr
, req
, &hdr
);
2174 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2175 encode_putfh(xdr
, args
->fh
, &hdr
);
2176 encode_close(xdr
, args
, &hdr
);
2177 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2182 * Encode an OPEN request
2184 static void nfs4_xdr_enc_open(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2185 struct nfs_openargs
*args
)
2187 struct compound_hdr hdr
= {
2188 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2191 encode_compound_hdr(xdr
, req
, &hdr
);
2192 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2193 encode_putfh(xdr
, args
->fh
, &hdr
);
2194 encode_savefh(xdr
, &hdr
);
2195 encode_open(xdr
, args
, &hdr
);
2196 encode_getfh(xdr
, &hdr
);
2197 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2198 encode_restorefh(xdr
, &hdr
);
2199 encode_getfattr(xdr
, args
->dir_bitmask
, &hdr
);
2204 * Encode an OPEN_CONFIRM request
2206 static void nfs4_xdr_enc_open_confirm(struct rpc_rqst
*req
,
2207 struct xdr_stream
*xdr
,
2208 struct nfs_open_confirmargs
*args
)
2210 struct compound_hdr hdr
= {
2214 encode_compound_hdr(xdr
, req
, &hdr
);
2215 encode_putfh(xdr
, args
->fh
, &hdr
);
2216 encode_open_confirm(xdr
, args
, &hdr
);
2221 * Encode an OPEN request with no attributes.
2223 static void nfs4_xdr_enc_open_noattr(struct rpc_rqst
*req
,
2224 struct xdr_stream
*xdr
,
2225 struct nfs_openargs
*args
)
2227 struct compound_hdr hdr
= {
2228 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2231 encode_compound_hdr(xdr
, req
, &hdr
);
2232 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2233 encode_putfh(xdr
, args
->fh
, &hdr
);
2234 encode_open(xdr
, args
, &hdr
);
2235 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2240 * Encode an OPEN_DOWNGRADE request
2242 static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst
*req
,
2243 struct xdr_stream
*xdr
,
2244 struct nfs_closeargs
*args
)
2246 struct compound_hdr hdr
= {
2247 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2250 encode_compound_hdr(xdr
, req
, &hdr
);
2251 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2252 encode_putfh(xdr
, args
->fh
, &hdr
);
2253 encode_open_downgrade(xdr
, args
, &hdr
);
2254 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2259 * Encode a LOCK request
2261 static void nfs4_xdr_enc_lock(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2262 struct nfs_lock_args
*args
)
2264 struct compound_hdr hdr
= {
2265 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2268 encode_compound_hdr(xdr
, req
, &hdr
);
2269 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2270 encode_putfh(xdr
, args
->fh
, &hdr
);
2271 encode_lock(xdr
, args
, &hdr
);
2276 * Encode a LOCKT request
2278 static void nfs4_xdr_enc_lockt(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2279 struct nfs_lockt_args
*args
)
2281 struct compound_hdr hdr
= {
2282 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2285 encode_compound_hdr(xdr
, req
, &hdr
);
2286 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2287 encode_putfh(xdr
, args
->fh
, &hdr
);
2288 encode_lockt(xdr
, args
, &hdr
);
2293 * Encode a LOCKU request
2295 static void nfs4_xdr_enc_locku(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2296 struct nfs_locku_args
*args
)
2298 struct compound_hdr hdr
= {
2299 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2302 encode_compound_hdr(xdr
, req
, &hdr
);
2303 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2304 encode_putfh(xdr
, args
->fh
, &hdr
);
2305 encode_locku(xdr
, args
, &hdr
);
2309 static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst
*req
,
2310 struct xdr_stream
*xdr
,
2311 struct nfs_release_lockowner_args
*args
)
2313 struct compound_hdr hdr
= {
2317 encode_compound_hdr(xdr
, req
, &hdr
);
2318 encode_release_lockowner(xdr
, &args
->lock_owner
, &hdr
);
2323 * Encode a READLINK request
2325 static void nfs4_xdr_enc_readlink(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2326 const struct nfs4_readlink
*args
)
2328 struct compound_hdr hdr
= {
2329 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2332 encode_compound_hdr(xdr
, req
, &hdr
);
2333 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2334 encode_putfh(xdr
, args
->fh
, &hdr
);
2335 encode_readlink(xdr
, args
, req
, &hdr
);
2337 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2, args
->pages
,
2338 args
->pgbase
, args
->pglen
);
2343 * Encode a READDIR request
2345 static void nfs4_xdr_enc_readdir(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2346 const struct nfs4_readdir_arg
*args
)
2348 struct compound_hdr hdr
= {
2349 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2352 encode_compound_hdr(xdr
, req
, &hdr
);
2353 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2354 encode_putfh(xdr
, args
->fh
, &hdr
);
2355 encode_readdir(xdr
, args
, req
, &hdr
);
2357 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2, args
->pages
,
2358 args
->pgbase
, args
->count
);
2359 dprintk("%s: inlined page args = (%u, %p, %u, %u)\n",
2360 __func__
, hdr
.replen
<< 2, args
->pages
,
2361 args
->pgbase
, args
->count
);
2366 * Encode a READ request
2368 static void nfs4_xdr_enc_read(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2369 struct nfs_readargs
*args
)
2371 struct compound_hdr hdr
= {
2372 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2375 encode_compound_hdr(xdr
, req
, &hdr
);
2376 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2377 encode_putfh(xdr
, args
->fh
, &hdr
);
2378 encode_read(xdr
, args
, &hdr
);
2380 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2,
2381 args
->pages
, args
->pgbase
, args
->count
);
2382 req
->rq_rcv_buf
.flags
|= XDRBUF_READ
;
2387 * Encode an SETATTR request
2389 static void nfs4_xdr_enc_setattr(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2390 struct nfs_setattrargs
*args
)
2392 struct compound_hdr hdr
= {
2393 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2396 encode_compound_hdr(xdr
, req
, &hdr
);
2397 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2398 encode_putfh(xdr
, args
->fh
, &hdr
);
2399 encode_setattr(xdr
, args
, args
->server
, &hdr
);
2400 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2405 * Encode a GETACL request
2407 static void nfs4_xdr_enc_getacl(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2408 struct nfs_getaclargs
*args
)
2410 struct compound_hdr hdr
= {
2411 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2415 encode_compound_hdr(xdr
, req
, &hdr
);
2416 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2417 encode_putfh(xdr
, args
->fh
, &hdr
);
2418 replen
= hdr
.replen
+ op_decode_hdr_maxsz
+ 1;
2419 encode_getattr_two(xdr
, FATTR4_WORD0_ACL
, 0, &hdr
);
2421 xdr_inline_pages(&req
->rq_rcv_buf
, replen
<< 2,
2422 args
->acl_pages
, args
->acl_pgbase
, args
->acl_len
);
2428 * Encode a WRITE request
2430 static void nfs4_xdr_enc_write(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2431 struct nfs_writeargs
*args
)
2433 struct compound_hdr hdr
= {
2434 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2437 encode_compound_hdr(xdr
, req
, &hdr
);
2438 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2439 encode_putfh(xdr
, args
->fh
, &hdr
);
2440 encode_write(xdr
, args
, &hdr
);
2441 req
->rq_snd_buf
.flags
|= XDRBUF_WRITE
;
2443 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2450 static void nfs4_xdr_enc_commit(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2451 struct nfs_writeargs
*args
)
2453 struct compound_hdr hdr
= {
2454 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2457 encode_compound_hdr(xdr
, req
, &hdr
);
2458 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2459 encode_putfh(xdr
, args
->fh
, &hdr
);
2460 encode_commit(xdr
, args
, &hdr
);
2462 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2469 static void nfs4_xdr_enc_fsinfo(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2470 struct nfs4_fsinfo_arg
*args
)
2472 struct compound_hdr hdr
= {
2473 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2476 encode_compound_hdr(xdr
, req
, &hdr
);
2477 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2478 encode_putfh(xdr
, args
->fh
, &hdr
);
2479 encode_fsinfo(xdr
, args
->bitmask
, &hdr
);
2484 * a PATHCONF request
2486 static void nfs4_xdr_enc_pathconf(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2487 const struct nfs4_pathconf_arg
*args
)
2489 struct compound_hdr hdr
= {
2490 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2493 encode_compound_hdr(xdr
, req
, &hdr
);
2494 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2495 encode_putfh(xdr
, args
->fh
, &hdr
);
2496 encode_getattr_one(xdr
, args
->bitmask
[0] & nfs4_pathconf_bitmap
[0],
2504 static void nfs4_xdr_enc_statfs(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2505 const struct nfs4_statfs_arg
*args
)
2507 struct compound_hdr hdr
= {
2508 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2511 encode_compound_hdr(xdr
, req
, &hdr
);
2512 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2513 encode_putfh(xdr
, args
->fh
, &hdr
);
2514 encode_getattr_two(xdr
, args
->bitmask
[0] & nfs4_statfs_bitmap
[0],
2515 args
->bitmask
[1] & nfs4_statfs_bitmap
[1], &hdr
);
2520 * GETATTR_BITMAP request
2522 static void nfs4_xdr_enc_server_caps(struct rpc_rqst
*req
,
2523 struct xdr_stream
*xdr
,
2524 struct nfs4_server_caps_arg
*args
)
2526 struct compound_hdr hdr
= {
2527 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2530 encode_compound_hdr(xdr
, req
, &hdr
);
2531 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2532 encode_putfh(xdr
, args
->fhandle
, &hdr
);
2533 encode_getattr_one(xdr
, FATTR4_WORD0_SUPPORTED_ATTRS
|
2534 FATTR4_WORD0_FH_EXPIRE_TYPE
|
2535 FATTR4_WORD0_LINK_SUPPORT
|
2536 FATTR4_WORD0_SYMLINK_SUPPORT
|
2537 FATTR4_WORD0_ACLSUPPORT
, &hdr
);
2544 static void nfs4_xdr_enc_renew(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2545 struct nfs_client
*clp
)
2547 struct compound_hdr hdr
= {
2551 encode_compound_hdr(xdr
, req
, &hdr
);
2552 encode_renew(xdr
, clp
->cl_clientid
, &hdr
);
2557 * a SETCLIENTID request
2559 static void nfs4_xdr_enc_setclientid(struct rpc_rqst
*req
,
2560 struct xdr_stream
*xdr
,
2561 struct nfs4_setclientid
*sc
)
2563 struct compound_hdr hdr
= {
2567 encode_compound_hdr(xdr
, req
, &hdr
);
2568 encode_setclientid(xdr
, sc
, &hdr
);
2573 * a SETCLIENTID_CONFIRM request
2575 static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst
*req
,
2576 struct xdr_stream
*xdr
,
2577 struct nfs4_setclientid_res
*arg
)
2579 struct compound_hdr hdr
= {
2582 const u32 lease_bitmap
[3] = { FATTR4_WORD0_LEASE_TIME
};
2584 encode_compound_hdr(xdr
, req
, &hdr
);
2585 encode_setclientid_confirm(xdr
, arg
, &hdr
);
2586 encode_putrootfh(xdr
, &hdr
);
2587 encode_fsinfo(xdr
, lease_bitmap
, &hdr
);
2592 * DELEGRETURN request
2594 static void nfs4_xdr_enc_delegreturn(struct rpc_rqst
*req
,
2595 struct xdr_stream
*xdr
,
2596 const struct nfs4_delegreturnargs
*args
)
2598 struct compound_hdr hdr
= {
2599 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2602 encode_compound_hdr(xdr
, req
, &hdr
);
2603 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2604 encode_putfh(xdr
, args
->fhandle
, &hdr
);
2605 encode_delegreturn(xdr
, args
->stateid
, &hdr
);
2606 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2611 * Encode FS_LOCATIONS request
2613 static void nfs4_xdr_enc_fs_locations(struct rpc_rqst
*req
,
2614 struct xdr_stream
*xdr
,
2615 struct nfs4_fs_locations_arg
*args
)
2617 struct compound_hdr hdr
= {
2618 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2622 encode_compound_hdr(xdr
, req
, &hdr
);
2623 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2624 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2625 encode_lookup(xdr
, args
->name
, &hdr
);
2626 replen
= hdr
.replen
; /* get the attribute into args->page */
2627 encode_fs_locations(xdr
, args
->bitmask
, &hdr
);
2629 xdr_inline_pages(&req
->rq_rcv_buf
, replen
<< 2, &args
->page
,
2635 * Encode SECINFO request
2637 static void nfs4_xdr_enc_secinfo(struct rpc_rqst
*req
,
2638 struct xdr_stream
*xdr
,
2639 struct nfs4_secinfo_arg
*args
)
2641 struct compound_hdr hdr
= {
2642 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2645 encode_compound_hdr(xdr
, req
, &hdr
);
2646 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2647 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2648 encode_secinfo(xdr
, args
->name
, &hdr
);
2652 #if defined(CONFIG_NFS_V4_1)
2654 * EXCHANGE_ID request
2656 static void nfs4_xdr_enc_exchange_id(struct rpc_rqst
*req
,
2657 struct xdr_stream
*xdr
,
2658 struct nfs41_exchange_id_args
*args
)
2660 struct compound_hdr hdr
= {
2661 .minorversion
= args
->client
->cl_mvops
->minor_version
,
2664 encode_compound_hdr(xdr
, req
, &hdr
);
2665 encode_exchange_id(xdr
, args
, &hdr
);
2670 * a CREATE_SESSION request
2672 static void nfs4_xdr_enc_create_session(struct rpc_rqst
*req
,
2673 struct xdr_stream
*xdr
,
2674 struct nfs41_create_session_args
*args
)
2676 struct compound_hdr hdr
= {
2677 .minorversion
= args
->client
->cl_mvops
->minor_version
,
2680 encode_compound_hdr(xdr
, req
, &hdr
);
2681 encode_create_session(xdr
, args
, &hdr
);
2686 * a DESTROY_SESSION request
2688 static void nfs4_xdr_enc_destroy_session(struct rpc_rqst
*req
,
2689 struct xdr_stream
*xdr
,
2690 struct nfs4_session
*session
)
2692 struct compound_hdr hdr
= {
2693 .minorversion
= session
->clp
->cl_mvops
->minor_version
,
2696 encode_compound_hdr(xdr
, req
, &hdr
);
2697 encode_destroy_session(xdr
, session
, &hdr
);
2702 * a SEQUENCE request
2704 static void nfs4_xdr_enc_sequence(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2705 struct nfs4_sequence_args
*args
)
2707 struct compound_hdr hdr
= {
2708 .minorversion
= nfs4_xdr_minorversion(args
),
2711 encode_compound_hdr(xdr
, req
, &hdr
);
2712 encode_sequence(xdr
, args
, &hdr
);
2717 * a GET_LEASE_TIME request
2719 static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst
*req
,
2720 struct xdr_stream
*xdr
,
2721 struct nfs4_get_lease_time_args
*args
)
2723 struct compound_hdr hdr
= {
2724 .minorversion
= nfs4_xdr_minorversion(&args
->la_seq_args
),
2726 const u32 lease_bitmap
[3] = { FATTR4_WORD0_LEASE_TIME
};
2728 encode_compound_hdr(xdr
, req
, &hdr
);
2729 encode_sequence(xdr
, &args
->la_seq_args
, &hdr
);
2730 encode_putrootfh(xdr
, &hdr
);
2731 encode_fsinfo(xdr
, lease_bitmap
, &hdr
);
2736 * a RECLAIM_COMPLETE request
2738 static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst
*req
,
2739 struct xdr_stream
*xdr
,
2740 struct nfs41_reclaim_complete_args
*args
)
2742 struct compound_hdr hdr
= {
2743 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
)
2746 encode_compound_hdr(xdr
, req
, &hdr
);
2747 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2748 encode_reclaim_complete(xdr
, args
, &hdr
);
2753 * Encode GETDEVICELIST request
2755 static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst
*req
,
2756 struct xdr_stream
*xdr
,
2757 struct nfs4_getdevicelist_args
*args
)
2759 struct compound_hdr hdr
= {
2760 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2763 encode_compound_hdr(xdr
, req
, &hdr
);
2764 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2765 encode_putfh(xdr
, args
->fh
, &hdr
);
2766 encode_getdevicelist(xdr
, args
, &hdr
);
2771 * Encode GETDEVICEINFO request
2773 static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst
*req
,
2774 struct xdr_stream
*xdr
,
2775 struct nfs4_getdeviceinfo_args
*args
)
2777 struct compound_hdr hdr
= {
2778 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2781 encode_compound_hdr(xdr
, req
, &hdr
);
2782 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2783 encode_getdeviceinfo(xdr
, args
, &hdr
);
2785 /* set up reply kvec. Subtract notification bitmap max size (2)
2786 * so that notification bitmap is put in xdr_buf tail */
2787 xdr_inline_pages(&req
->rq_rcv_buf
, (hdr
.replen
- 2) << 2,
2788 args
->pdev
->pages
, args
->pdev
->pgbase
,
2795 * Encode LAYOUTGET request
2797 static void nfs4_xdr_enc_layoutget(struct rpc_rqst
*req
,
2798 struct xdr_stream
*xdr
,
2799 struct nfs4_layoutget_args
*args
)
2801 struct compound_hdr hdr
= {
2802 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2805 encode_compound_hdr(xdr
, req
, &hdr
);
2806 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2807 encode_putfh(xdr
, NFS_FH(args
->inode
), &hdr
);
2808 encode_layoutget(xdr
, args
, &hdr
);
2810 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2,
2811 args
->layout
.pages
, 0, args
->layout
.pglen
);
2817 * Encode LAYOUTCOMMIT request
2819 static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst
*req
,
2820 struct xdr_stream
*xdr
,
2821 struct nfs4_layoutcommit_args
*args
)
2823 struct nfs4_layoutcommit_data
*data
=
2824 container_of(args
, struct nfs4_layoutcommit_data
, args
);
2825 struct compound_hdr hdr
= {
2826 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2829 encode_compound_hdr(xdr
, req
, &hdr
);
2830 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2831 encode_putfh(xdr
, NFS_FH(args
->inode
), &hdr
);
2832 encode_layoutcommit(xdr
, data
->args
.inode
, args
, &hdr
);
2833 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2838 * Encode LAYOUTRETURN request
2840 static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst
*req
,
2841 struct xdr_stream
*xdr
,
2842 struct nfs4_layoutreturn_args
*args
)
2844 struct compound_hdr hdr
= {
2845 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2848 encode_compound_hdr(xdr
, req
, &hdr
);
2849 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2850 encode_putfh(xdr
, NFS_FH(args
->inode
), &hdr
);
2851 encode_layoutreturn(xdr
, args
, &hdr
);
2856 * Encode SECINFO_NO_NAME request
2858 static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst
*req
,
2859 struct xdr_stream
*xdr
,
2860 struct nfs41_secinfo_no_name_args
*args
)
2862 struct compound_hdr hdr
= {
2863 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2866 encode_compound_hdr(xdr
, req
, &hdr
);
2867 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2868 encode_putrootfh(xdr
, &hdr
);
2869 encode_secinfo_no_name(xdr
, args
, &hdr
);
2875 * Encode TEST_STATEID request
2877 static void nfs4_xdr_enc_test_stateid(struct rpc_rqst
*req
,
2878 struct xdr_stream
*xdr
,
2879 struct nfs41_test_stateid_args
*args
)
2881 struct compound_hdr hdr
= {
2882 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2885 encode_compound_hdr(xdr
, req
, &hdr
);
2886 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2887 encode_test_stateid(xdr
, args
, &hdr
);
2892 * Encode FREE_STATEID request
2894 static void nfs4_xdr_enc_free_stateid(struct rpc_rqst
*req
,
2895 struct xdr_stream
*xdr
,
2896 struct nfs41_free_stateid_args
*args
)
2898 struct compound_hdr hdr
= {
2899 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2902 encode_compound_hdr(xdr
, req
, &hdr
);
2903 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2904 encode_free_stateid(xdr
, args
, &hdr
);
2907 #endif /* CONFIG_NFS_V4_1 */
2909 static void print_overflow_msg(const char *func
, const struct xdr_stream
*xdr
)
2911 dprintk("nfs: %s: prematurely hit end of receive buffer. "
2912 "Remaining buffer length is %tu words.\n",
2913 func
, xdr
->end
- xdr
->p
);
2916 static int decode_opaque_inline(struct xdr_stream
*xdr
, unsigned int *len
, char **string
)
2920 p
= xdr_inline_decode(xdr
, 4);
2923 *len
= be32_to_cpup(p
);
2924 p
= xdr_inline_decode(xdr
, *len
);
2927 *string
= (char *)p
;
2930 print_overflow_msg(__func__
, xdr
);
2934 static int decode_compound_hdr(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
2938 p
= xdr_inline_decode(xdr
, 8);
2941 hdr
->status
= be32_to_cpup(p
++);
2942 hdr
->taglen
= be32_to_cpup(p
);
2944 p
= xdr_inline_decode(xdr
, hdr
->taglen
+ 4);
2947 hdr
->tag
= (char *)p
;
2948 p
+= XDR_QUADLEN(hdr
->taglen
);
2949 hdr
->nops
= be32_to_cpup(p
);
2950 if (unlikely(hdr
->nops
< 1))
2951 return nfs4_stat_to_errno(hdr
->status
);
2954 print_overflow_msg(__func__
, xdr
);
2958 static int decode_op_hdr(struct xdr_stream
*xdr
, enum nfs_opnum4 expected
)
2964 p
= xdr_inline_decode(xdr
, 8);
2967 opnum
= be32_to_cpup(p
++);
2968 if (opnum
!= expected
) {
2969 dprintk("nfs: Server returned operation"
2970 " %d but we issued a request for %d\n",
2974 nfserr
= be32_to_cpup(p
);
2975 if (nfserr
!= NFS_OK
)
2976 return nfs4_stat_to_errno(nfserr
);
2979 print_overflow_msg(__func__
, xdr
);
2984 static int decode_ace(struct xdr_stream
*xdr
, void *ace
, struct nfs_client
*clp
)
2987 unsigned int strlen
;
2990 p
= xdr_inline_decode(xdr
, 12);
2992 return decode_opaque_inline(xdr
, &strlen
, &str
);
2993 print_overflow_msg(__func__
, xdr
);
2997 static int decode_attr_bitmap(struct xdr_stream
*xdr
, uint32_t *bitmap
)
3002 p
= xdr_inline_decode(xdr
, 4);
3005 bmlen
= be32_to_cpup(p
);
3007 bitmap
[0] = bitmap
[1] = bitmap
[2] = 0;
3008 p
= xdr_inline_decode(xdr
, (bmlen
<< 2));
3012 bitmap
[0] = be32_to_cpup(p
++);
3014 bitmap
[1] = be32_to_cpup(p
++);
3016 bitmap
[2] = be32_to_cpup(p
);
3021 print_overflow_msg(__func__
, xdr
);
3025 static inline int decode_attr_length(struct xdr_stream
*xdr
, uint32_t *attrlen
, __be32
**savep
)
3029 p
= xdr_inline_decode(xdr
, 4);
3032 *attrlen
= be32_to_cpup(p
);
3036 print_overflow_msg(__func__
, xdr
);
3040 static int decode_attr_supported(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *bitmask
)
3042 if (likely(bitmap
[0] & FATTR4_WORD0_SUPPORTED_ATTRS
)) {
3044 ret
= decode_attr_bitmap(xdr
, bitmask
);
3045 if (unlikely(ret
< 0))
3047 bitmap
[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS
;
3049 bitmask
[0] = bitmask
[1] = bitmask
[2] = 0;
3050 dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__
,
3051 bitmask
[0], bitmask
[1], bitmask
[2]);
3055 static int decode_attr_type(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *type
)
3061 if (unlikely(bitmap
[0] & (FATTR4_WORD0_TYPE
- 1U)))
3063 if (likely(bitmap
[0] & FATTR4_WORD0_TYPE
)) {
3064 p
= xdr_inline_decode(xdr
, 4);
3067 *type
= be32_to_cpup(p
);
3068 if (*type
< NF4REG
|| *type
> NF4NAMEDATTR
) {
3069 dprintk("%s: bad type %d\n", __func__
, *type
);
3072 bitmap
[0] &= ~FATTR4_WORD0_TYPE
;
3073 ret
= NFS_ATTR_FATTR_TYPE
;
3075 dprintk("%s: type=0%o\n", __func__
, nfs_type2fmt
[*type
]);
3078 print_overflow_msg(__func__
, xdr
);
3082 static int decode_attr_fh_expire_type(struct xdr_stream
*xdr
,
3083 uint32_t *bitmap
, uint32_t *type
)
3088 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE
- 1U)))
3090 if (likely(bitmap
[0] & FATTR4_WORD0_FH_EXPIRE_TYPE
)) {
3091 p
= xdr_inline_decode(xdr
, 4);
3094 *type
= be32_to_cpup(p
);
3095 bitmap
[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE
;
3097 dprintk("%s: expire type=0x%x\n", __func__
, *type
);
3100 print_overflow_msg(__func__
, xdr
);
3104 static int decode_attr_change(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *change
)
3110 if (unlikely(bitmap
[0] & (FATTR4_WORD0_CHANGE
- 1U)))
3112 if (likely(bitmap
[0] & FATTR4_WORD0_CHANGE
)) {
3113 p
= xdr_inline_decode(xdr
, 8);
3116 xdr_decode_hyper(p
, change
);
3117 bitmap
[0] &= ~FATTR4_WORD0_CHANGE
;
3118 ret
= NFS_ATTR_FATTR_CHANGE
;
3120 dprintk("%s: change attribute=%Lu\n", __func__
,
3121 (unsigned long long)*change
);
3124 print_overflow_msg(__func__
, xdr
);
3128 static int decode_attr_size(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *size
)
3134 if (unlikely(bitmap
[0] & (FATTR4_WORD0_SIZE
- 1U)))
3136 if (likely(bitmap
[0] & FATTR4_WORD0_SIZE
)) {
3137 p
= xdr_inline_decode(xdr
, 8);
3140 xdr_decode_hyper(p
, size
);
3141 bitmap
[0] &= ~FATTR4_WORD0_SIZE
;
3142 ret
= NFS_ATTR_FATTR_SIZE
;
3144 dprintk("%s: file size=%Lu\n", __func__
, (unsigned long long)*size
);
3147 print_overflow_msg(__func__
, xdr
);
3151 static int decode_attr_link_support(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3156 if (unlikely(bitmap
[0] & (FATTR4_WORD0_LINK_SUPPORT
- 1U)))
3158 if (likely(bitmap
[0] & FATTR4_WORD0_LINK_SUPPORT
)) {
3159 p
= xdr_inline_decode(xdr
, 4);
3162 *res
= be32_to_cpup(p
);
3163 bitmap
[0] &= ~FATTR4_WORD0_LINK_SUPPORT
;
3165 dprintk("%s: link support=%s\n", __func__
, *res
== 0 ? "false" : "true");
3168 print_overflow_msg(__func__
, xdr
);
3172 static int decode_attr_symlink_support(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3177 if (unlikely(bitmap
[0] & (FATTR4_WORD0_SYMLINK_SUPPORT
- 1U)))
3179 if (likely(bitmap
[0] & FATTR4_WORD0_SYMLINK_SUPPORT
)) {
3180 p
= xdr_inline_decode(xdr
, 4);
3183 *res
= be32_to_cpup(p
);
3184 bitmap
[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT
;
3186 dprintk("%s: symlink support=%s\n", __func__
, *res
== 0 ? "false" : "true");
3189 print_overflow_msg(__func__
, xdr
);
3193 static int decode_attr_fsid(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct nfs_fsid
*fsid
)
3200 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FSID
- 1U)))
3202 if (likely(bitmap
[0] & FATTR4_WORD0_FSID
)) {
3203 p
= xdr_inline_decode(xdr
, 16);
3206 p
= xdr_decode_hyper(p
, &fsid
->major
);
3207 xdr_decode_hyper(p
, &fsid
->minor
);
3208 bitmap
[0] &= ~FATTR4_WORD0_FSID
;
3209 ret
= NFS_ATTR_FATTR_FSID
;
3211 dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__
,
3212 (unsigned long long)fsid
->major
,
3213 (unsigned long long)fsid
->minor
);
3216 print_overflow_msg(__func__
, xdr
);
3220 static int decode_attr_lease_time(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3225 if (unlikely(bitmap
[0] & (FATTR4_WORD0_LEASE_TIME
- 1U)))
3227 if (likely(bitmap
[0] & FATTR4_WORD0_LEASE_TIME
)) {
3228 p
= xdr_inline_decode(xdr
, 4);
3231 *res
= be32_to_cpup(p
);
3232 bitmap
[0] &= ~FATTR4_WORD0_LEASE_TIME
;
3234 dprintk("%s: file size=%u\n", __func__
, (unsigned int)*res
);
3237 print_overflow_msg(__func__
, xdr
);
3241 static int decode_attr_error(struct xdr_stream
*xdr
, uint32_t *bitmap
, int32_t *res
)
3245 if (unlikely(bitmap
[0] & (FATTR4_WORD0_RDATTR_ERROR
- 1U)))
3247 if (likely(bitmap
[0] & FATTR4_WORD0_RDATTR_ERROR
)) {
3248 p
= xdr_inline_decode(xdr
, 4);
3251 bitmap
[0] &= ~FATTR4_WORD0_RDATTR_ERROR
;
3252 *res
= -be32_to_cpup(p
);
3256 print_overflow_msg(__func__
, xdr
);
3260 static int decode_attr_filehandle(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct nfs_fh
*fh
)
3266 memset(fh
, 0, sizeof(*fh
));
3268 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILEHANDLE
- 1U)))
3270 if (likely(bitmap
[0] & FATTR4_WORD0_FILEHANDLE
)) {
3271 p
= xdr_inline_decode(xdr
, 4);
3274 len
= be32_to_cpup(p
);
3275 if (len
> NFS4_FHSIZE
)
3277 p
= xdr_inline_decode(xdr
, len
);
3281 memcpy(fh
->data
, p
, len
);
3284 bitmap
[0] &= ~FATTR4_WORD0_FILEHANDLE
;
3288 print_overflow_msg(__func__
, xdr
);
3292 static int decode_attr_aclsupport(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3296 *res
= ACL4_SUPPORT_ALLOW_ACL
|ACL4_SUPPORT_DENY_ACL
;
3297 if (unlikely(bitmap
[0] & (FATTR4_WORD0_ACLSUPPORT
- 1U)))
3299 if (likely(bitmap
[0] & FATTR4_WORD0_ACLSUPPORT
)) {
3300 p
= xdr_inline_decode(xdr
, 4);
3303 *res
= be32_to_cpup(p
);
3304 bitmap
[0] &= ~FATTR4_WORD0_ACLSUPPORT
;
3306 dprintk("%s: ACLs supported=%u\n", __func__
, (unsigned int)*res
);
3309 print_overflow_msg(__func__
, xdr
);
3313 static int decode_attr_fileid(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *fileid
)
3319 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILEID
- 1U)))
3321 if (likely(bitmap
[0] & FATTR4_WORD0_FILEID
)) {
3322 p
= xdr_inline_decode(xdr
, 8);
3325 xdr_decode_hyper(p
, fileid
);
3326 bitmap
[0] &= ~FATTR4_WORD0_FILEID
;
3327 ret
= NFS_ATTR_FATTR_FILEID
;
3329 dprintk("%s: fileid=%Lu\n", __func__
, (unsigned long long)*fileid
);
3332 print_overflow_msg(__func__
, xdr
);
3336 static int decode_attr_mounted_on_fileid(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *fileid
)
3342 if (unlikely(bitmap
[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID
- 1U)))
3344 if (likely(bitmap
[1] & FATTR4_WORD1_MOUNTED_ON_FILEID
)) {
3345 p
= xdr_inline_decode(xdr
, 8);
3348 xdr_decode_hyper(p
, fileid
);
3349 bitmap
[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID
;
3350 ret
= NFS_ATTR_FATTR_MOUNTED_ON_FILEID
;
3352 dprintk("%s: fileid=%Lu\n", __func__
, (unsigned long long)*fileid
);
3355 print_overflow_msg(__func__
, xdr
);
3359 static int decode_attr_files_avail(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3365 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILES_AVAIL
- 1U)))
3367 if (likely(bitmap
[0] & FATTR4_WORD0_FILES_AVAIL
)) {
3368 p
= xdr_inline_decode(xdr
, 8);
3371 xdr_decode_hyper(p
, res
);
3372 bitmap
[0] &= ~FATTR4_WORD0_FILES_AVAIL
;
3374 dprintk("%s: files avail=%Lu\n", __func__
, (unsigned long long)*res
);
3377 print_overflow_msg(__func__
, xdr
);
3381 static int decode_attr_files_free(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3387 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILES_FREE
- 1U)))
3389 if (likely(bitmap
[0] & FATTR4_WORD0_FILES_FREE
)) {
3390 p
= xdr_inline_decode(xdr
, 8);
3393 xdr_decode_hyper(p
, res
);
3394 bitmap
[0] &= ~FATTR4_WORD0_FILES_FREE
;
3396 dprintk("%s: files free=%Lu\n", __func__
, (unsigned long long)*res
);
3399 print_overflow_msg(__func__
, xdr
);
3403 static int decode_attr_files_total(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3409 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILES_TOTAL
- 1U)))
3411 if (likely(bitmap
[0] & FATTR4_WORD0_FILES_TOTAL
)) {
3412 p
= xdr_inline_decode(xdr
, 8);
3415 xdr_decode_hyper(p
, res
);
3416 bitmap
[0] &= ~FATTR4_WORD0_FILES_TOTAL
;
3418 dprintk("%s: files total=%Lu\n", __func__
, (unsigned long long)*res
);
3421 print_overflow_msg(__func__
, xdr
);
3425 static int decode_pathname(struct xdr_stream
*xdr
, struct nfs4_pathname
*path
)
3431 p
= xdr_inline_decode(xdr
, 4);
3434 n
= be32_to_cpup(p
);
3437 dprintk("pathname4: ");
3438 path
->ncomponents
= 0;
3439 while (path
->ncomponents
< n
) {
3440 struct nfs4_string
*component
= &path
->components
[path
->ncomponents
];
3441 status
= decode_opaque_inline(xdr
, &component
->len
, &component
->data
);
3442 if (unlikely(status
!= 0))
3446 (path
->ncomponents
!= n
? "/ " : ""),
3447 component
->len
, component
->data
);
3448 if (path
->ncomponents
< NFS4_PATHNAME_MAXCOMPONENTS
)
3449 path
->ncomponents
++;
3451 dprintk("cannot parse %d components in path\n", n
);
3458 /* a root pathname is sent as a zero component4 */
3459 path
->ncomponents
= 1;
3460 path
->components
[0].len
=0;
3461 path
->components
[0].data
=NULL
;
3462 dprintk("pathname4: /\n");
3465 dprintk(" status %d", status
);
3469 print_overflow_msg(__func__
, xdr
);
3473 static int decode_attr_fs_locations(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct nfs4_fs_locations
*res
)
3479 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FS_LOCATIONS
-1U)))
3482 if (unlikely(!(bitmap
[0] & FATTR4_WORD0_FS_LOCATIONS
)))
3485 /* Ignore borken servers that return unrequested attrs */
3486 if (unlikely(res
== NULL
))
3488 dprintk("%s: fsroot:\n", __func__
);
3489 status
= decode_pathname(xdr
, &res
->fs_path
);
3490 if (unlikely(status
!= 0))
3492 p
= xdr_inline_decode(xdr
, 4);
3495 n
= be32_to_cpup(p
);
3498 res
->nlocations
= 0;
3499 while (res
->nlocations
< n
) {
3501 struct nfs4_fs_location
*loc
= &res
->locations
[res
->nlocations
];
3503 p
= xdr_inline_decode(xdr
, 4);
3506 m
= be32_to_cpup(p
);
3509 dprintk("%s: servers:\n", __func__
);
3510 while (loc
->nservers
< m
) {
3511 struct nfs4_string
*server
= &loc
->servers
[loc
->nservers
];
3512 status
= decode_opaque_inline(xdr
, &server
->len
, &server
->data
);
3513 if (unlikely(status
!= 0))
3515 dprintk("%s ", server
->data
);
3516 if (loc
->nservers
< NFS4_FS_LOCATION_MAXSERVERS
)
3520 dprintk("%s: using first %u of %u servers "
3521 "returned for location %u\n",
3523 NFS4_FS_LOCATION_MAXSERVERS
,
3524 m
, res
->nlocations
);
3525 for (i
= loc
->nservers
; i
< m
; i
++) {
3528 status
= decode_opaque_inline(xdr
, &len
, &data
);
3529 if (unlikely(status
!= 0))
3534 status
= decode_pathname(xdr
, &loc
->rootpath
);
3535 if (unlikely(status
!= 0))
3537 if (res
->nlocations
< NFS4_FS_LOCATIONS_MAXENTRIES
)
3540 if (res
->nlocations
!= 0)
3541 status
= NFS_ATTR_FATTR_V4_LOCATIONS
;
3543 dprintk("%s: fs_locations done, error = %d\n", __func__
, status
);
3546 print_overflow_msg(__func__
, xdr
);
3552 static int decode_attr_maxfilesize(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3558 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXFILESIZE
- 1U)))
3560 if (likely(bitmap
[0] & FATTR4_WORD0_MAXFILESIZE
)) {
3561 p
= xdr_inline_decode(xdr
, 8);
3564 xdr_decode_hyper(p
, res
);
3565 bitmap
[0] &= ~FATTR4_WORD0_MAXFILESIZE
;
3567 dprintk("%s: maxfilesize=%Lu\n", __func__
, (unsigned long long)*res
);
3570 print_overflow_msg(__func__
, xdr
);
3574 static int decode_attr_maxlink(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *maxlink
)
3580 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXLINK
- 1U)))
3582 if (likely(bitmap
[0] & FATTR4_WORD0_MAXLINK
)) {
3583 p
= xdr_inline_decode(xdr
, 4);
3586 *maxlink
= be32_to_cpup(p
);
3587 bitmap
[0] &= ~FATTR4_WORD0_MAXLINK
;
3589 dprintk("%s: maxlink=%u\n", __func__
, *maxlink
);
3592 print_overflow_msg(__func__
, xdr
);
3596 static int decode_attr_maxname(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *maxname
)
3602 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXNAME
- 1U)))
3604 if (likely(bitmap
[0] & FATTR4_WORD0_MAXNAME
)) {
3605 p
= xdr_inline_decode(xdr
, 4);
3608 *maxname
= be32_to_cpup(p
);
3609 bitmap
[0] &= ~FATTR4_WORD0_MAXNAME
;
3611 dprintk("%s: maxname=%u\n", __func__
, *maxname
);
3614 print_overflow_msg(__func__
, xdr
);
3618 static int decode_attr_maxread(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3624 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXREAD
- 1U)))
3626 if (likely(bitmap
[0] & FATTR4_WORD0_MAXREAD
)) {
3628 p
= xdr_inline_decode(xdr
, 8);
3631 xdr_decode_hyper(p
, &maxread
);
3632 if (maxread
> 0x7FFFFFFF)
3633 maxread
= 0x7FFFFFFF;
3634 *res
= (uint32_t)maxread
;
3635 bitmap
[0] &= ~FATTR4_WORD0_MAXREAD
;
3637 dprintk("%s: maxread=%lu\n", __func__
, (unsigned long)*res
);
3640 print_overflow_msg(__func__
, xdr
);
3644 static int decode_attr_maxwrite(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3650 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXWRITE
- 1U)))
3652 if (likely(bitmap
[0] & FATTR4_WORD0_MAXWRITE
)) {
3654 p
= xdr_inline_decode(xdr
, 8);
3657 xdr_decode_hyper(p
, &maxwrite
);
3658 if (maxwrite
> 0x7FFFFFFF)
3659 maxwrite
= 0x7FFFFFFF;
3660 *res
= (uint32_t)maxwrite
;
3661 bitmap
[0] &= ~FATTR4_WORD0_MAXWRITE
;
3663 dprintk("%s: maxwrite=%lu\n", __func__
, (unsigned long)*res
);
3666 print_overflow_msg(__func__
, xdr
);
3670 static int decode_attr_mode(struct xdr_stream
*xdr
, uint32_t *bitmap
, umode_t
*mode
)
3677 if (unlikely(bitmap
[1] & (FATTR4_WORD1_MODE
- 1U)))
3679 if (likely(bitmap
[1] & FATTR4_WORD1_MODE
)) {
3680 p
= xdr_inline_decode(xdr
, 4);
3683 tmp
= be32_to_cpup(p
);
3684 *mode
= tmp
& ~S_IFMT
;
3685 bitmap
[1] &= ~FATTR4_WORD1_MODE
;
3686 ret
= NFS_ATTR_FATTR_MODE
;
3688 dprintk("%s: file mode=0%o\n", __func__
, (unsigned int)*mode
);
3691 print_overflow_msg(__func__
, xdr
);
3695 static int decode_attr_nlink(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *nlink
)
3701 if (unlikely(bitmap
[1] & (FATTR4_WORD1_NUMLINKS
- 1U)))
3703 if (likely(bitmap
[1] & FATTR4_WORD1_NUMLINKS
)) {
3704 p
= xdr_inline_decode(xdr
, 4);
3707 *nlink
= be32_to_cpup(p
);
3708 bitmap
[1] &= ~FATTR4_WORD1_NUMLINKS
;
3709 ret
= NFS_ATTR_FATTR_NLINK
;
3711 dprintk("%s: nlink=%u\n", __func__
, (unsigned int)*nlink
);
3714 print_overflow_msg(__func__
, xdr
);
3718 static int decode_attr_owner(struct xdr_stream
*xdr
, uint32_t *bitmap
,
3719 const struct nfs_server
*server
, uint32_t *uid
,
3720 struct nfs4_string
*owner_name
)
3727 if (unlikely(bitmap
[1] & (FATTR4_WORD1_OWNER
- 1U)))
3729 if (likely(bitmap
[1] & FATTR4_WORD1_OWNER
)) {
3730 p
= xdr_inline_decode(xdr
, 4);
3733 len
= be32_to_cpup(p
);
3734 p
= xdr_inline_decode(xdr
, len
);
3737 if (owner_name
!= NULL
) {
3738 owner_name
->data
= kmemdup(p
, len
, GFP_NOWAIT
);
3739 if (owner_name
->data
!= NULL
) {
3740 owner_name
->len
= len
;
3741 ret
= NFS_ATTR_FATTR_OWNER_NAME
;
3743 } else if (len
< XDR_MAX_NETOBJ
) {
3744 if (nfs_map_name_to_uid(server
, (char *)p
, len
, uid
) == 0)
3745 ret
= NFS_ATTR_FATTR_OWNER
;
3747 dprintk("%s: nfs_map_name_to_uid failed!\n",
3750 dprintk("%s: name too long (%u)!\n",
3752 bitmap
[1] &= ~FATTR4_WORD1_OWNER
;
3754 dprintk("%s: uid=%d\n", __func__
, (int)*uid
);
3757 print_overflow_msg(__func__
, xdr
);
3761 static int decode_attr_group(struct xdr_stream
*xdr
, uint32_t *bitmap
,
3762 const struct nfs_server
*server
, uint32_t *gid
,
3763 struct nfs4_string
*group_name
)
3770 if (unlikely(bitmap
[1] & (FATTR4_WORD1_OWNER_GROUP
- 1U)))
3772 if (likely(bitmap
[1] & FATTR4_WORD1_OWNER_GROUP
)) {
3773 p
= xdr_inline_decode(xdr
, 4);
3776 len
= be32_to_cpup(p
);
3777 p
= xdr_inline_decode(xdr
, len
);
3780 if (group_name
!= NULL
) {
3781 group_name
->data
= kmemdup(p
, len
, GFP_NOWAIT
);
3782 if (group_name
->data
!= NULL
) {
3783 group_name
->len
= len
;
3784 ret
= NFS_ATTR_FATTR_GROUP_NAME
;
3786 } else if (len
< XDR_MAX_NETOBJ
) {
3787 if (nfs_map_group_to_gid(server
, (char *)p
, len
, gid
) == 0)
3788 ret
= NFS_ATTR_FATTR_GROUP
;
3790 dprintk("%s: nfs_map_group_to_gid failed!\n",
3793 dprintk("%s: name too long (%u)!\n",
3795 bitmap
[1] &= ~FATTR4_WORD1_OWNER_GROUP
;
3797 dprintk("%s: gid=%d\n", __func__
, (int)*gid
);
3800 print_overflow_msg(__func__
, xdr
);
3804 static int decode_attr_rdev(struct xdr_stream
*xdr
, uint32_t *bitmap
, dev_t
*rdev
)
3806 uint32_t major
= 0, minor
= 0;
3811 if (unlikely(bitmap
[1] & (FATTR4_WORD1_RAWDEV
- 1U)))
3813 if (likely(bitmap
[1] & FATTR4_WORD1_RAWDEV
)) {
3816 p
= xdr_inline_decode(xdr
, 8);
3819 major
= be32_to_cpup(p
++);
3820 minor
= be32_to_cpup(p
);
3821 tmp
= MKDEV(major
, minor
);
3822 if (MAJOR(tmp
) == major
&& MINOR(tmp
) == minor
)
3824 bitmap
[1] &= ~ FATTR4_WORD1_RAWDEV
;
3825 ret
= NFS_ATTR_FATTR_RDEV
;
3827 dprintk("%s: rdev=(0x%x:0x%x)\n", __func__
, major
, minor
);
3830 print_overflow_msg(__func__
, xdr
);
3834 static int decode_attr_space_avail(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3840 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_AVAIL
- 1U)))
3842 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_AVAIL
)) {
3843 p
= xdr_inline_decode(xdr
, 8);
3846 xdr_decode_hyper(p
, res
);
3847 bitmap
[1] &= ~FATTR4_WORD1_SPACE_AVAIL
;
3849 dprintk("%s: space avail=%Lu\n", __func__
, (unsigned long long)*res
);
3852 print_overflow_msg(__func__
, xdr
);
3856 static int decode_attr_space_free(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3862 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_FREE
- 1U)))
3864 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_FREE
)) {
3865 p
= xdr_inline_decode(xdr
, 8);
3868 xdr_decode_hyper(p
, res
);
3869 bitmap
[1] &= ~FATTR4_WORD1_SPACE_FREE
;
3871 dprintk("%s: space free=%Lu\n", __func__
, (unsigned long long)*res
);
3874 print_overflow_msg(__func__
, xdr
);
3878 static int decode_attr_space_total(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3884 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_TOTAL
- 1U)))
3886 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_TOTAL
)) {
3887 p
= xdr_inline_decode(xdr
, 8);
3890 xdr_decode_hyper(p
, res
);
3891 bitmap
[1] &= ~FATTR4_WORD1_SPACE_TOTAL
;
3893 dprintk("%s: space total=%Lu\n", __func__
, (unsigned long long)*res
);
3896 print_overflow_msg(__func__
, xdr
);
3900 static int decode_attr_space_used(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *used
)
3906 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_USED
- 1U)))
3908 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_USED
)) {
3909 p
= xdr_inline_decode(xdr
, 8);
3912 xdr_decode_hyper(p
, used
);
3913 bitmap
[1] &= ~FATTR4_WORD1_SPACE_USED
;
3914 ret
= NFS_ATTR_FATTR_SPACE_USED
;
3916 dprintk("%s: space used=%Lu\n", __func__
,
3917 (unsigned long long)*used
);
3920 print_overflow_msg(__func__
, xdr
);
3924 static int decode_attr_time(struct xdr_stream
*xdr
, struct timespec
*time
)
3930 p
= xdr_inline_decode(xdr
, 12);
3933 p
= xdr_decode_hyper(p
, &sec
);
3934 nsec
= be32_to_cpup(p
);
3935 time
->tv_sec
= (time_t)sec
;
3936 time
->tv_nsec
= (long)nsec
;
3939 print_overflow_msg(__func__
, xdr
);
3943 static int decode_attr_time_access(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct timespec
*time
)
3949 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_ACCESS
- 1U)))
3951 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_ACCESS
)) {
3952 status
= decode_attr_time(xdr
, time
);
3954 status
= NFS_ATTR_FATTR_ATIME
;
3955 bitmap
[1] &= ~FATTR4_WORD1_TIME_ACCESS
;
3957 dprintk("%s: atime=%ld\n", __func__
, (long)time
->tv_sec
);
3961 static int decode_attr_time_metadata(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct timespec
*time
)
3967 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_METADATA
- 1U)))
3969 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_METADATA
)) {
3970 status
= decode_attr_time(xdr
, time
);
3972 status
= NFS_ATTR_FATTR_CTIME
;
3973 bitmap
[1] &= ~FATTR4_WORD1_TIME_METADATA
;
3975 dprintk("%s: ctime=%ld\n", __func__
, (long)time
->tv_sec
);
3979 static int decode_attr_time_delta(struct xdr_stream
*xdr
, uint32_t *bitmap
,
3980 struct timespec
*time
)
3986 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_DELTA
- 1U)))
3988 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_DELTA
)) {
3989 status
= decode_attr_time(xdr
, time
);
3990 bitmap
[1] &= ~FATTR4_WORD1_TIME_DELTA
;
3992 dprintk("%s: time_delta=%ld %ld\n", __func__
, (long)time
->tv_sec
,
3993 (long)time
->tv_nsec
);
3997 static int decode_attr_time_modify(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct timespec
*time
)
4003 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_MODIFY
- 1U)))
4005 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_MODIFY
)) {
4006 status
= decode_attr_time(xdr
, time
);
4008 status
= NFS_ATTR_FATTR_MTIME
;
4009 bitmap
[1] &= ~FATTR4_WORD1_TIME_MODIFY
;
4011 dprintk("%s: mtime=%ld\n", __func__
, (long)time
->tv_sec
);
4015 static int verify_attr_len(struct xdr_stream
*xdr
, __be32
*savep
, uint32_t attrlen
)
4017 unsigned int attrwords
= XDR_QUADLEN(attrlen
);
4018 unsigned int nwords
= xdr
->p
- savep
;
4020 if (unlikely(attrwords
!= nwords
)) {
4021 dprintk("%s: server returned incorrect attribute length: "
4025 (attrwords
< nwords
) ? '<' : '>',
4032 static int decode_change_info(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
4036 p
= xdr_inline_decode(xdr
, 20);
4039 cinfo
->atomic
= be32_to_cpup(p
++);
4040 p
= xdr_decode_hyper(p
, &cinfo
->before
);
4041 xdr_decode_hyper(p
, &cinfo
->after
);
4044 print_overflow_msg(__func__
, xdr
);
4048 static int decode_access(struct xdr_stream
*xdr
, struct nfs4_accessres
*access
)
4054 status
= decode_op_hdr(xdr
, OP_ACCESS
);
4057 p
= xdr_inline_decode(xdr
, 8);
4060 supp
= be32_to_cpup(p
++);
4061 acc
= be32_to_cpup(p
);
4062 access
->supported
= supp
;
4063 access
->access
= acc
;
4066 print_overflow_msg(__func__
, xdr
);
4070 static int decode_opaque_fixed(struct xdr_stream
*xdr
, void *buf
, size_t len
)
4074 p
= xdr_inline_decode(xdr
, len
);
4076 memcpy(buf
, p
, len
);
4079 print_overflow_msg(__func__
, xdr
);
4083 static int decode_stateid(struct xdr_stream
*xdr
, nfs4_stateid
*stateid
)
4085 return decode_opaque_fixed(xdr
, stateid
, NFS4_STATEID_SIZE
);
4088 static int decode_close(struct xdr_stream
*xdr
, struct nfs_closeres
*res
)
4092 status
= decode_op_hdr(xdr
, OP_CLOSE
);
4094 nfs_increment_open_seqid(status
, res
->seqid
);
4096 status
= decode_stateid(xdr
, &res
->stateid
);
4100 static int decode_verifier(struct xdr_stream
*xdr
, void *verifier
)
4102 return decode_opaque_fixed(xdr
, verifier
, NFS4_VERIFIER_SIZE
);
4105 static int decode_commit(struct xdr_stream
*xdr
, struct nfs_writeres
*res
)
4109 status
= decode_op_hdr(xdr
, OP_COMMIT
);
4111 status
= decode_verifier(xdr
, res
->verf
->verifier
);
4115 static int decode_create(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
4121 status
= decode_op_hdr(xdr
, OP_CREATE
);
4124 if ((status
= decode_change_info(xdr
, cinfo
)))
4126 p
= xdr_inline_decode(xdr
, 4);
4129 bmlen
= be32_to_cpup(p
);
4130 p
= xdr_inline_decode(xdr
, bmlen
<< 2);
4134 print_overflow_msg(__func__
, xdr
);
4138 static int decode_server_caps(struct xdr_stream
*xdr
, struct nfs4_server_caps_res
*res
)
4141 uint32_t attrlen
, bitmap
[3] = {0};
4144 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4146 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4148 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4150 if ((status
= decode_attr_supported(xdr
, bitmap
, res
->attr_bitmask
)) != 0)
4152 if ((status
= decode_attr_fh_expire_type(xdr
, bitmap
,
4153 &res
->fh_expire_type
)) != 0)
4155 if ((status
= decode_attr_link_support(xdr
, bitmap
, &res
->has_links
)) != 0)
4157 if ((status
= decode_attr_symlink_support(xdr
, bitmap
, &res
->has_symlinks
)) != 0)
4159 if ((status
= decode_attr_aclsupport(xdr
, bitmap
, &res
->acl_bitmask
)) != 0)
4161 status
= verify_attr_len(xdr
, savep
, attrlen
);
4163 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4167 static int decode_statfs(struct xdr_stream
*xdr
, struct nfs_fsstat
*fsstat
)
4170 uint32_t attrlen
, bitmap
[3] = {0};
4173 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4175 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4177 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4180 if ((status
= decode_attr_files_avail(xdr
, bitmap
, &fsstat
->afiles
)) != 0)
4182 if ((status
= decode_attr_files_free(xdr
, bitmap
, &fsstat
->ffiles
)) != 0)
4184 if ((status
= decode_attr_files_total(xdr
, bitmap
, &fsstat
->tfiles
)) != 0)
4186 if ((status
= decode_attr_space_avail(xdr
, bitmap
, &fsstat
->abytes
)) != 0)
4188 if ((status
= decode_attr_space_free(xdr
, bitmap
, &fsstat
->fbytes
)) != 0)
4190 if ((status
= decode_attr_space_total(xdr
, bitmap
, &fsstat
->tbytes
)) != 0)
4193 status
= verify_attr_len(xdr
, savep
, attrlen
);
4195 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4199 static int decode_pathconf(struct xdr_stream
*xdr
, struct nfs_pathconf
*pathconf
)
4202 uint32_t attrlen
, bitmap
[3] = {0};
4205 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4207 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4209 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4212 if ((status
= decode_attr_maxlink(xdr
, bitmap
, &pathconf
->max_link
)) != 0)
4214 if ((status
= decode_attr_maxname(xdr
, bitmap
, &pathconf
->max_namelen
)) != 0)
4217 status
= verify_attr_len(xdr
, savep
, attrlen
);
4219 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4223 static int decode_getfattr_attrs(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4224 struct nfs_fattr
*fattr
, struct nfs_fh
*fh
,
4225 struct nfs4_fs_locations
*fs_loc
,
4226 const struct nfs_server
*server
)
4233 status
= decode_attr_type(xdr
, bitmap
, &type
);
4238 fattr
->mode
|= nfs_type2fmt
[type
];
4239 fattr
->valid
|= status
;
4242 status
= decode_attr_change(xdr
, bitmap
, &fattr
->change_attr
);
4245 fattr
->valid
|= status
;
4247 status
= decode_attr_size(xdr
, bitmap
, &fattr
->size
);
4250 fattr
->valid
|= status
;
4252 status
= decode_attr_fsid(xdr
, bitmap
, &fattr
->fsid
);
4255 fattr
->valid
|= status
;
4258 status
= decode_attr_error(xdr
, bitmap
, &err
);
4262 status
= decode_attr_filehandle(xdr
, bitmap
, fh
);
4266 status
= decode_attr_fileid(xdr
, bitmap
, &fattr
->fileid
);
4269 fattr
->valid
|= status
;
4271 status
= decode_attr_fs_locations(xdr
, bitmap
, fs_loc
);
4274 fattr
->valid
|= status
;
4276 status
= decode_attr_mode(xdr
, bitmap
, &fmode
);
4280 fattr
->mode
|= fmode
;
4281 fattr
->valid
|= status
;
4284 status
= decode_attr_nlink(xdr
, bitmap
, &fattr
->nlink
);
4287 fattr
->valid
|= status
;
4289 status
= decode_attr_owner(xdr
, bitmap
, server
, &fattr
->uid
, fattr
->owner_name
);
4292 fattr
->valid
|= status
;
4294 status
= decode_attr_group(xdr
, bitmap
, server
, &fattr
->gid
, fattr
->group_name
);
4297 fattr
->valid
|= status
;
4299 status
= decode_attr_rdev(xdr
, bitmap
, &fattr
->rdev
);
4302 fattr
->valid
|= status
;
4304 status
= decode_attr_space_used(xdr
, bitmap
, &fattr
->du
.nfs3
.used
);
4307 fattr
->valid
|= status
;
4309 status
= decode_attr_time_access(xdr
, bitmap
, &fattr
->atime
);
4312 fattr
->valid
|= status
;
4314 status
= decode_attr_time_metadata(xdr
, bitmap
, &fattr
->ctime
);
4317 fattr
->valid
|= status
;
4319 status
= decode_attr_time_modify(xdr
, bitmap
, &fattr
->mtime
);
4322 fattr
->valid
|= status
;
4324 status
= decode_attr_mounted_on_fileid(xdr
, bitmap
, &fattr
->mounted_on_fileid
);
4327 fattr
->valid
|= status
;
4330 dprintk("%s: xdr returned %d\n", __func__
, -status
);
4334 static int decode_getfattr_generic(struct xdr_stream
*xdr
, struct nfs_fattr
*fattr
,
4335 struct nfs_fh
*fh
, struct nfs4_fs_locations
*fs_loc
,
4336 const struct nfs_server
*server
)
4343 status
= decode_op_hdr(xdr
, OP_GETATTR
);
4347 status
= decode_attr_bitmap(xdr
, bitmap
);
4351 status
= decode_attr_length(xdr
, &attrlen
, &savep
);
4355 status
= decode_getfattr_attrs(xdr
, bitmap
, fattr
, fh
, fs_loc
, server
);
4359 status
= verify_attr_len(xdr
, savep
, attrlen
);
4361 dprintk("%s: xdr returned %d\n", __func__
, -status
);
4365 static int decode_getfattr(struct xdr_stream
*xdr
, struct nfs_fattr
*fattr
,
4366 const struct nfs_server
*server
)
4368 return decode_getfattr_generic(xdr
, fattr
, NULL
, NULL
, server
);
4372 * Decode potentially multiple layout types. Currently we only support
4373 * one layout driver per file system.
4375 static int decode_first_pnfs_layout_type(struct xdr_stream
*xdr
,
4376 uint32_t *layouttype
)
4381 p
= xdr_inline_decode(xdr
, 4);
4384 num
= be32_to_cpup(p
);
4386 /* pNFS is not supported by the underlying file system */
4392 printk(KERN_INFO
"NFS: %s: Warning: Multiple pNFS layout "
4393 "drivers per filesystem not supported\n", __func__
);
4395 /* Decode and set first layout type, move xdr->p past unused types */
4396 p
= xdr_inline_decode(xdr
, num
* 4);
4399 *layouttype
= be32_to_cpup(p
);
4402 print_overflow_msg(__func__
, xdr
);
4407 * The type of file system exported.
4408 * Note we must ensure that layouttype is set in any non-error case.
4410 static int decode_attr_pnfstype(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4411 uint32_t *layouttype
)
4415 dprintk("%s: bitmap is %x\n", __func__
, bitmap
[1]);
4416 if (unlikely(bitmap
[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES
- 1U)))
4418 if (bitmap
[1] & FATTR4_WORD1_FS_LAYOUT_TYPES
) {
4419 status
= decode_first_pnfs_layout_type(xdr
, layouttype
);
4420 bitmap
[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES
;
4427 * The prefered block size for layout directed io
4429 static int decode_attr_layout_blksize(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4434 dprintk("%s: bitmap is %x\n", __func__
, bitmap
[2]);
4436 if (bitmap
[2] & FATTR4_WORD2_LAYOUT_BLKSIZE
) {
4437 p
= xdr_inline_decode(xdr
, 4);
4439 print_overflow_msg(__func__
, xdr
);
4442 *res
= be32_to_cpup(p
);
4443 bitmap
[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE
;
4448 static int decode_fsinfo(struct xdr_stream
*xdr
, struct nfs_fsinfo
*fsinfo
)
4451 uint32_t attrlen
, bitmap
[3];
4454 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4456 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4458 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4461 fsinfo
->rtmult
= fsinfo
->wtmult
= 512; /* ??? */
4463 if ((status
= decode_attr_lease_time(xdr
, bitmap
, &fsinfo
->lease_time
)) != 0)
4465 if ((status
= decode_attr_maxfilesize(xdr
, bitmap
, &fsinfo
->maxfilesize
)) != 0)
4467 if ((status
= decode_attr_maxread(xdr
, bitmap
, &fsinfo
->rtmax
)) != 0)
4469 fsinfo
->rtpref
= fsinfo
->dtpref
= fsinfo
->rtmax
;
4470 if ((status
= decode_attr_maxwrite(xdr
, bitmap
, &fsinfo
->wtmax
)) != 0)
4472 fsinfo
->wtpref
= fsinfo
->wtmax
;
4473 status
= decode_attr_time_delta(xdr
, bitmap
, &fsinfo
->time_delta
);
4476 status
= decode_attr_pnfstype(xdr
, bitmap
, &fsinfo
->layouttype
);
4479 status
= decode_attr_layout_blksize(xdr
, bitmap
, &fsinfo
->blksize
);
4483 status
= verify_attr_len(xdr
, savep
, attrlen
);
4485 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4489 static int decode_getfh(struct xdr_stream
*xdr
, struct nfs_fh
*fh
)
4495 /* Zero handle first to allow comparisons */
4496 memset(fh
, 0, sizeof(*fh
));
4498 status
= decode_op_hdr(xdr
, OP_GETFH
);
4502 p
= xdr_inline_decode(xdr
, 4);
4505 len
= be32_to_cpup(p
);
4506 if (len
> NFS4_FHSIZE
)
4509 p
= xdr_inline_decode(xdr
, len
);
4512 memcpy(fh
->data
, p
, len
);
4515 print_overflow_msg(__func__
, xdr
);
4519 static int decode_link(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
4523 status
= decode_op_hdr(xdr
, OP_LINK
);
4526 return decode_change_info(xdr
, cinfo
);
4530 * We create the owner, so we know a proper owner.id length is 4.
4532 static int decode_lock_denied (struct xdr_stream
*xdr
, struct file_lock
*fl
)
4534 uint64_t offset
, length
, clientid
;
4536 uint32_t namelen
, type
;
4538 p
= xdr_inline_decode(xdr
, 32); /* read 32 bytes */
4541 p
= xdr_decode_hyper(p
, &offset
); /* read 2 8-byte long words */
4542 p
= xdr_decode_hyper(p
, &length
);
4543 type
= be32_to_cpup(p
++); /* 4 byte read */
4544 if (fl
!= NULL
) { /* manipulate file lock */
4545 fl
->fl_start
= (loff_t
)offset
;
4546 fl
->fl_end
= fl
->fl_start
+ (loff_t
)length
- 1;
4547 if (length
== ~(uint64_t)0)
4548 fl
->fl_end
= OFFSET_MAX
;
4549 fl
->fl_type
= F_WRLCK
;
4551 fl
->fl_type
= F_RDLCK
;
4554 p
= xdr_decode_hyper(p
, &clientid
); /* read 8 bytes */
4555 namelen
= be32_to_cpup(p
); /* read 4 bytes */ /* have read all 32 bytes now */
4556 p
= xdr_inline_decode(xdr
, namelen
); /* variable size field */
4558 return -NFS4ERR_DENIED
;
4560 print_overflow_msg(__func__
, xdr
);
4564 static int decode_lock(struct xdr_stream
*xdr
, struct nfs_lock_res
*res
)
4568 status
= decode_op_hdr(xdr
, OP_LOCK
);
4572 status
= decode_stateid(xdr
, &res
->stateid
);
4573 if (unlikely(status
))
4575 } else if (status
== -NFS4ERR_DENIED
)
4576 status
= decode_lock_denied(xdr
, NULL
);
4577 if (res
->open_seqid
!= NULL
)
4578 nfs_increment_open_seqid(status
, res
->open_seqid
);
4579 nfs_increment_lock_seqid(status
, res
->lock_seqid
);
4584 static int decode_lockt(struct xdr_stream
*xdr
, struct nfs_lockt_res
*res
)
4587 status
= decode_op_hdr(xdr
, OP_LOCKT
);
4588 if (status
== -NFS4ERR_DENIED
)
4589 return decode_lock_denied(xdr
, res
->denied
);
4593 static int decode_locku(struct xdr_stream
*xdr
, struct nfs_locku_res
*res
)
4597 status
= decode_op_hdr(xdr
, OP_LOCKU
);
4599 nfs_increment_lock_seqid(status
, res
->seqid
);
4601 status
= decode_stateid(xdr
, &res
->stateid
);
4605 static int decode_release_lockowner(struct xdr_stream
*xdr
)
4607 return decode_op_hdr(xdr
, OP_RELEASE_LOCKOWNER
);
4610 static int decode_lookup(struct xdr_stream
*xdr
)
4612 return decode_op_hdr(xdr
, OP_LOOKUP
);
4615 /* This is too sick! */
4616 static int decode_space_limit(struct xdr_stream
*xdr
, u64
*maxsize
)
4619 uint32_t limit_type
, nblocks
, blocksize
;
4621 p
= xdr_inline_decode(xdr
, 12);
4624 limit_type
= be32_to_cpup(p
++);
4625 switch (limit_type
) {
4627 xdr_decode_hyper(p
, maxsize
);
4630 nblocks
= be32_to_cpup(p
++);
4631 blocksize
= be32_to_cpup(p
);
4632 *maxsize
= (uint64_t)nblocks
* (uint64_t)blocksize
;
4636 print_overflow_msg(__func__
, xdr
);
4640 static int decode_delegation(struct xdr_stream
*xdr
, struct nfs_openres
*res
)
4643 uint32_t delegation_type
;
4646 p
= xdr_inline_decode(xdr
, 4);
4649 delegation_type
= be32_to_cpup(p
);
4650 if (delegation_type
== NFS4_OPEN_DELEGATE_NONE
) {
4651 res
->delegation_type
= 0;
4654 status
= decode_stateid(xdr
, &res
->delegation
);
4655 if (unlikely(status
))
4657 p
= xdr_inline_decode(xdr
, 4);
4660 res
->do_recall
= be32_to_cpup(p
);
4662 switch (delegation_type
) {
4663 case NFS4_OPEN_DELEGATE_READ
:
4664 res
->delegation_type
= FMODE_READ
;
4666 case NFS4_OPEN_DELEGATE_WRITE
:
4667 res
->delegation_type
= FMODE_WRITE
|FMODE_READ
;
4668 if (decode_space_limit(xdr
, &res
->maxsize
) < 0)
4671 return decode_ace(xdr
, NULL
, res
->server
->nfs_client
);
4673 print_overflow_msg(__func__
, xdr
);
4677 static int decode_open(struct xdr_stream
*xdr
, struct nfs_openres
*res
)
4680 uint32_t savewords
, bmlen
, i
;
4683 status
= decode_op_hdr(xdr
, OP_OPEN
);
4685 nfs_increment_open_seqid(status
, res
->seqid
);
4687 status
= decode_stateid(xdr
, &res
->stateid
);
4688 if (unlikely(status
))
4691 decode_change_info(xdr
, &res
->cinfo
);
4693 p
= xdr_inline_decode(xdr
, 8);
4696 res
->rflags
= be32_to_cpup(p
++);
4697 bmlen
= be32_to_cpup(p
);
4701 p
= xdr_inline_decode(xdr
, bmlen
<< 2);
4704 savewords
= min_t(uint32_t, bmlen
, NFS4_BITMAP_SIZE
);
4705 for (i
= 0; i
< savewords
; ++i
)
4706 res
->attrset
[i
] = be32_to_cpup(p
++);
4707 for (; i
< NFS4_BITMAP_SIZE
; i
++)
4708 res
->attrset
[i
] = 0;
4710 return decode_delegation(xdr
, res
);
4712 dprintk("%s: Bitmap too large! Length = %u\n", __func__
, bmlen
);
4715 print_overflow_msg(__func__
, xdr
);
4719 static int decode_open_confirm(struct xdr_stream
*xdr
, struct nfs_open_confirmres
*res
)
4723 status
= decode_op_hdr(xdr
, OP_OPEN_CONFIRM
);
4725 nfs_increment_open_seqid(status
, res
->seqid
);
4727 status
= decode_stateid(xdr
, &res
->stateid
);
4731 static int decode_open_downgrade(struct xdr_stream
*xdr
, struct nfs_closeres
*res
)
4735 status
= decode_op_hdr(xdr
, OP_OPEN_DOWNGRADE
);
4737 nfs_increment_open_seqid(status
, res
->seqid
);
4739 status
= decode_stateid(xdr
, &res
->stateid
);
4743 static int decode_putfh(struct xdr_stream
*xdr
)
4745 return decode_op_hdr(xdr
, OP_PUTFH
);
4748 static int decode_putrootfh(struct xdr_stream
*xdr
)
4750 return decode_op_hdr(xdr
, OP_PUTROOTFH
);
4753 static int decode_read(struct xdr_stream
*xdr
, struct rpc_rqst
*req
, struct nfs_readres
*res
)
4755 struct kvec
*iov
= req
->rq_rcv_buf
.head
;
4757 uint32_t count
, eof
, recvd
, hdrlen
;
4760 status
= decode_op_hdr(xdr
, OP_READ
);
4763 p
= xdr_inline_decode(xdr
, 8);
4766 eof
= be32_to_cpup(p
++);
4767 count
= be32_to_cpup(p
);
4768 hdrlen
= (u8
*) xdr
->p
- (u8
*) iov
->iov_base
;
4769 recvd
= req
->rq_rcv_buf
.len
- hdrlen
;
4770 if (count
> recvd
) {
4771 dprintk("NFS: server cheating in read reply: "
4772 "count %u > recvd %u\n", count
, recvd
);
4776 xdr_read_pages(xdr
, count
);
4781 print_overflow_msg(__func__
, xdr
);
4785 static int decode_readdir(struct xdr_stream
*xdr
, struct rpc_rqst
*req
, struct nfs4_readdir_res
*readdir
)
4787 struct xdr_buf
*rcvbuf
= &req
->rq_rcv_buf
;
4788 struct kvec
*iov
= rcvbuf
->head
;
4790 u32 recvd
, pglen
= rcvbuf
->page_len
;
4794 status
= decode_op_hdr(xdr
, OP_READDIR
);
4796 status
= decode_verifier(xdr
, readdir
->verifier
.data
);
4797 if (unlikely(status
))
4799 memcpy(verf
, readdir
->verifier
.data
, sizeof(verf
));
4800 dprintk("%s: verifier = %08x:%08x\n",
4801 __func__
, verf
[0], verf
[1]);
4803 hdrlen
= (char *) xdr
->p
- (char *) iov
->iov_base
;
4804 recvd
= rcvbuf
->len
- hdrlen
;
4807 xdr_read_pages(xdr
, pglen
);
4813 static int decode_readlink(struct xdr_stream
*xdr
, struct rpc_rqst
*req
)
4815 struct xdr_buf
*rcvbuf
= &req
->rq_rcv_buf
;
4816 struct kvec
*iov
= rcvbuf
->head
;
4822 status
= decode_op_hdr(xdr
, OP_READLINK
);
4826 /* Convert length of symlink */
4827 p
= xdr_inline_decode(xdr
, 4);
4830 len
= be32_to_cpup(p
);
4831 if (len
>= rcvbuf
->page_len
|| len
<= 0) {
4832 dprintk("nfs: server returned giant symlink!\n");
4833 return -ENAMETOOLONG
;
4835 hdrlen
= (char *) xdr
->p
- (char *) iov
->iov_base
;
4836 recvd
= req
->rq_rcv_buf
.len
- hdrlen
;
4838 dprintk("NFS: server cheating in readlink reply: "
4839 "count %u > recvd %u\n", len
, recvd
);
4842 xdr_read_pages(xdr
, len
);
4844 * The XDR encode routine has set things up so that
4845 * the link text will be copied directly into the
4846 * buffer. We just have to do overflow-checking,
4847 * and and null-terminate the text (the VFS expects
4848 * null-termination).
4850 xdr_terminate_string(rcvbuf
, len
);
4853 print_overflow_msg(__func__
, xdr
);
4857 static int decode_remove(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
4861 status
= decode_op_hdr(xdr
, OP_REMOVE
);
4864 status
= decode_change_info(xdr
, cinfo
);
4869 static int decode_rename(struct xdr_stream
*xdr
, struct nfs4_change_info
*old_cinfo
,
4870 struct nfs4_change_info
*new_cinfo
)
4874 status
= decode_op_hdr(xdr
, OP_RENAME
);
4877 if ((status
= decode_change_info(xdr
, old_cinfo
)))
4879 status
= decode_change_info(xdr
, new_cinfo
);
4884 static int decode_renew(struct xdr_stream
*xdr
)
4886 return decode_op_hdr(xdr
, OP_RENEW
);
4890 decode_restorefh(struct xdr_stream
*xdr
)
4892 return decode_op_hdr(xdr
, OP_RESTOREFH
);
4895 static int decode_getacl(struct xdr_stream
*xdr
, struct rpc_rqst
*req
,
4896 struct nfs_getaclres
*res
)
4898 __be32
*savep
, *bm_p
;
4901 struct kvec
*iov
= req
->rq_rcv_buf
.head
;
4903 size_t page_len
= xdr
->buf
->page_len
;
4906 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4910 res
->acl_data_offset
= be32_to_cpup(bm_p
) + 2;
4911 res
->acl_data_offset
<<= 2;
4912 /* Check if the acl data starts beyond the allocated buffer */
4913 if (res
->acl_data_offset
> page_len
)
4916 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4918 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4921 if (unlikely(bitmap
[0] & (FATTR4_WORD0_ACL
- 1U)))
4923 if (likely(bitmap
[0] & FATTR4_WORD0_ACL
)) {
4926 /* The bitmap (xdr len + bitmaps) and the attr xdr len words
4927 * are stored with the acl data to handle the problem of
4928 * variable length bitmaps.*/
4931 /* We ignore &savep and don't do consistency checks on
4932 * the attr length. Let userspace figure it out.... */
4933 hdrlen
= (u8
*)xdr
->p
- (u8
*)iov
->iov_base
;
4934 attrlen
+= res
->acl_data_offset
;
4935 if (attrlen
> page_len
) {
4936 if (res
->acl_flags
& NFS4_ACL_LEN_REQUEST
) {
4937 /* getxattr interface called with a NULL buf */
4938 res
->acl_len
= attrlen
;
4941 dprintk("NFS: acl reply: attrlen %u > page_len %zu\n",
4945 xdr_read_pages(xdr
, attrlen
);
4946 res
->acl_len
= attrlen
;
4948 status
= -EOPNOTSUPP
;
4955 decode_savefh(struct xdr_stream
*xdr
)
4957 return decode_op_hdr(xdr
, OP_SAVEFH
);
4960 static int decode_setattr(struct xdr_stream
*xdr
)
4966 status
= decode_op_hdr(xdr
, OP_SETATTR
);
4969 p
= xdr_inline_decode(xdr
, 4);
4972 bmlen
= be32_to_cpup(p
);
4973 p
= xdr_inline_decode(xdr
, bmlen
<< 2);
4977 print_overflow_msg(__func__
, xdr
);
4981 static int decode_setclientid(struct xdr_stream
*xdr
, struct nfs4_setclientid_res
*res
)
4987 p
= xdr_inline_decode(xdr
, 8);
4990 opnum
= be32_to_cpup(p
++);
4991 if (opnum
!= OP_SETCLIENTID
) {
4992 dprintk("nfs: decode_setclientid: Server returned operation"
4996 nfserr
= be32_to_cpup(p
);
4997 if (nfserr
== NFS_OK
) {
4998 p
= xdr_inline_decode(xdr
, 8 + NFS4_VERIFIER_SIZE
);
5001 p
= xdr_decode_hyper(p
, &res
->clientid
);
5002 memcpy(res
->confirm
.data
, p
, NFS4_VERIFIER_SIZE
);
5003 } else if (nfserr
== NFSERR_CLID_INUSE
) {
5006 /* skip netid string */
5007 p
= xdr_inline_decode(xdr
, 4);
5010 len
= be32_to_cpup(p
);
5011 p
= xdr_inline_decode(xdr
, len
);
5015 /* skip uaddr string */
5016 p
= xdr_inline_decode(xdr
, 4);
5019 len
= be32_to_cpup(p
);
5020 p
= xdr_inline_decode(xdr
, len
);
5023 return -NFSERR_CLID_INUSE
;
5025 return nfs4_stat_to_errno(nfserr
);
5029 print_overflow_msg(__func__
, xdr
);
5033 static int decode_setclientid_confirm(struct xdr_stream
*xdr
)
5035 return decode_op_hdr(xdr
, OP_SETCLIENTID_CONFIRM
);
5038 static int decode_write(struct xdr_stream
*xdr
, struct nfs_writeres
*res
)
5043 status
= decode_op_hdr(xdr
, OP_WRITE
);
5047 p
= xdr_inline_decode(xdr
, 16);
5050 res
->count
= be32_to_cpup(p
++);
5051 res
->verf
->committed
= be32_to_cpup(p
++);
5052 memcpy(res
->verf
->verifier
, p
, NFS4_VERIFIER_SIZE
);
5055 print_overflow_msg(__func__
, xdr
);
5059 static int decode_delegreturn(struct xdr_stream
*xdr
)
5061 return decode_op_hdr(xdr
, OP_DELEGRETURN
);
5064 static int decode_secinfo_gss(struct xdr_stream
*xdr
, struct nfs4_secinfo_flavor
*flavor
)
5068 p
= xdr_inline_decode(xdr
, 4);
5071 flavor
->gss
.sec_oid4
.len
= be32_to_cpup(p
);
5072 if (flavor
->gss
.sec_oid4
.len
> GSS_OID_MAX_LEN
)
5075 p
= xdr_inline_decode(xdr
, flavor
->gss
.sec_oid4
.len
);
5078 memcpy(flavor
->gss
.sec_oid4
.data
, p
, flavor
->gss
.sec_oid4
.len
);
5080 p
= xdr_inline_decode(xdr
, 8);
5083 flavor
->gss
.qop4
= be32_to_cpup(p
++);
5084 flavor
->gss
.service
= be32_to_cpup(p
);
5089 print_overflow_msg(__func__
, xdr
);
5095 static int decode_secinfo_common(struct xdr_stream
*xdr
, struct nfs4_secinfo_res
*res
)
5097 struct nfs4_secinfo_flavor
*sec_flavor
;
5102 p
= xdr_inline_decode(xdr
, 4);
5106 res
->flavors
->num_flavors
= 0;
5107 num_flavors
= be32_to_cpup(p
);
5109 for (i
= 0; i
< num_flavors
; i
++) {
5110 sec_flavor
= &res
->flavors
->flavors
[i
];
5111 if ((char *)&sec_flavor
[1] - (char *)res
->flavors
> PAGE_SIZE
)
5114 p
= xdr_inline_decode(xdr
, 4);
5117 sec_flavor
->flavor
= be32_to_cpup(p
);
5119 if (sec_flavor
->flavor
== RPC_AUTH_GSS
) {
5120 status
= decode_secinfo_gss(xdr
, sec_flavor
);
5124 res
->flavors
->num_flavors
++;
5131 print_overflow_msg(__func__
, xdr
);
5135 static int decode_secinfo(struct xdr_stream
*xdr
, struct nfs4_secinfo_res
*res
)
5137 int status
= decode_op_hdr(xdr
, OP_SECINFO
);
5140 return decode_secinfo_common(xdr
, res
);
5143 #if defined(CONFIG_NFS_V4_1)
5144 static int decode_secinfo_no_name(struct xdr_stream
*xdr
, struct nfs4_secinfo_res
*res
)
5146 int status
= decode_op_hdr(xdr
, OP_SECINFO_NO_NAME
);
5149 return decode_secinfo_common(xdr
, res
);
5152 static int decode_exchange_id(struct xdr_stream
*xdr
,
5153 struct nfs41_exchange_id_res
*res
)
5159 struct nfs_client
*clp
= res
->client
;
5160 uint32_t impl_id_count
;
5162 status
= decode_op_hdr(xdr
, OP_EXCHANGE_ID
);
5166 p
= xdr_inline_decode(xdr
, 8);
5169 xdr_decode_hyper(p
, &clp
->cl_clientid
);
5170 p
= xdr_inline_decode(xdr
, 12);
5173 clp
->cl_seqid
= be32_to_cpup(p
++);
5174 clp
->cl_exchange_flags
= be32_to_cpup(p
++);
5176 /* We ask for SP4_NONE */
5177 dummy
= be32_to_cpup(p
);
5178 if (dummy
!= SP4_NONE
)
5181 /* Throw away minor_id */
5182 p
= xdr_inline_decode(xdr
, 8);
5186 /* Throw away Major id */
5187 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5188 if (unlikely(status
))
5191 /* Save server_scope */
5192 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5193 if (unlikely(status
))
5196 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5199 memcpy(res
->server_scope
->server_scope
, dummy_str
, dummy
);
5200 res
->server_scope
->server_scope_sz
= dummy
;
5202 /* Implementation Id */
5203 p
= xdr_inline_decode(xdr
, 4);
5206 impl_id_count
= be32_to_cpup(p
++);
5208 if (impl_id_count
) {
5210 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5211 if (unlikely(status
))
5213 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5215 memcpy(res
->impl_id
->domain
, dummy_str
, dummy
);
5218 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5219 if (unlikely(status
))
5221 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5223 memcpy(res
->impl_id
->name
, dummy_str
, dummy
);
5226 p
= xdr_inline_decode(xdr
, 12);
5229 p
= xdr_decode_hyper(p
, &res
->impl_id
->date
.seconds
);
5230 res
->impl_id
->date
.nseconds
= be32_to_cpup(p
);
5232 /* if there's more than one entry, ignore the rest */
5236 print_overflow_msg(__func__
, xdr
);
5240 static int decode_chan_attrs(struct xdr_stream
*xdr
,
5241 struct nfs4_channel_attrs
*attrs
)
5246 p
= xdr_inline_decode(xdr
, 28);
5249 val
= be32_to_cpup(p
++); /* headerpadsz */
5251 return -EINVAL
; /* no support for header padding yet */
5252 attrs
->max_rqst_sz
= be32_to_cpup(p
++);
5253 attrs
->max_resp_sz
= be32_to_cpup(p
++);
5254 attrs
->max_resp_sz_cached
= be32_to_cpup(p
++);
5255 attrs
->max_ops
= be32_to_cpup(p
++);
5256 attrs
->max_reqs
= be32_to_cpup(p
++);
5257 nr_attrs
= be32_to_cpup(p
);
5258 if (unlikely(nr_attrs
> 1)) {
5259 printk(KERN_WARNING
"NFS: %s: Invalid rdma channel attrs "
5260 "count %u\n", __func__
, nr_attrs
);
5263 if (nr_attrs
== 1) {
5264 p
= xdr_inline_decode(xdr
, 4); /* skip rdma_attrs */
5270 print_overflow_msg(__func__
, xdr
);
5274 static int decode_sessionid(struct xdr_stream
*xdr
, struct nfs4_sessionid
*sid
)
5276 return decode_opaque_fixed(xdr
, sid
->data
, NFS4_MAX_SESSIONID_LEN
);
5279 static int decode_create_session(struct xdr_stream
*xdr
,
5280 struct nfs41_create_session_res
*res
)
5284 struct nfs_client
*clp
= res
->client
;
5285 struct nfs4_session
*session
= clp
->cl_session
;
5287 status
= decode_op_hdr(xdr
, OP_CREATE_SESSION
);
5289 status
= decode_sessionid(xdr
, &session
->sess_id
);
5290 if (unlikely(status
))
5294 p
= xdr_inline_decode(xdr
, 8);
5297 clp
->cl_seqid
= be32_to_cpup(p
++);
5298 session
->flags
= be32_to_cpup(p
);
5300 /* Channel attributes */
5301 status
= decode_chan_attrs(xdr
, &session
->fc_attrs
);
5303 status
= decode_chan_attrs(xdr
, &session
->bc_attrs
);
5306 print_overflow_msg(__func__
, xdr
);
5310 static int decode_destroy_session(struct xdr_stream
*xdr
, void *dummy
)
5312 return decode_op_hdr(xdr
, OP_DESTROY_SESSION
);
5315 static int decode_reclaim_complete(struct xdr_stream
*xdr
, void *dummy
)
5317 return decode_op_hdr(xdr
, OP_RECLAIM_COMPLETE
);
5319 #endif /* CONFIG_NFS_V4_1 */
5321 static int decode_sequence(struct xdr_stream
*xdr
,
5322 struct nfs4_sequence_res
*res
,
5323 struct rpc_rqst
*rqstp
)
5325 #if defined(CONFIG_NFS_V4_1)
5326 struct nfs4_sessionid id
;
5331 if (!res
->sr_session
)
5334 status
= decode_op_hdr(xdr
, OP_SEQUENCE
);
5336 status
= decode_sessionid(xdr
, &id
);
5337 if (unlikely(status
))
5341 * If the server returns different values for sessionID, slotID or
5342 * sequence number, the server is looney tunes.
5344 status
= -EREMOTEIO
;
5346 if (memcmp(id
.data
, res
->sr_session
->sess_id
.data
,
5347 NFS4_MAX_SESSIONID_LEN
)) {
5348 dprintk("%s Invalid session id\n", __func__
);
5352 p
= xdr_inline_decode(xdr
, 20);
5357 dummy
= be32_to_cpup(p
++);
5358 if (dummy
!= res
->sr_slot
->seq_nr
) {
5359 dprintk("%s Invalid sequence number\n", __func__
);
5363 dummy
= be32_to_cpup(p
++);
5364 if (dummy
!= res
->sr_slot
- res
->sr_session
->fc_slot_table
.slots
) {
5365 dprintk("%s Invalid slot id\n", __func__
);
5368 /* highest slot id - currently not processed */
5369 dummy
= be32_to_cpup(p
++);
5370 /* target highest slot id - currently not processed */
5371 dummy
= be32_to_cpup(p
++);
5373 res
->sr_status_flags
= be32_to_cpup(p
);
5376 res
->sr_status
= status
;
5379 print_overflow_msg(__func__
, xdr
);
5382 #else /* CONFIG_NFS_V4_1 */
5384 #endif /* CONFIG_NFS_V4_1 */
5387 #if defined(CONFIG_NFS_V4_1)
5389 * TODO: Need to handle case when EOF != true;
5391 static int decode_getdevicelist(struct xdr_stream
*xdr
,
5392 struct pnfs_devicelist
*res
)
5396 struct nfs_writeverf verftemp
;
5398 status
= decode_op_hdr(xdr
, OP_GETDEVICELIST
);
5402 p
= xdr_inline_decode(xdr
, 8 + 8 + 4);
5406 /* TODO: Skip cookie for now */
5410 p
= xdr_decode_opaque_fixed(p
, verftemp
.verifier
, NFS4_VERIFIER_SIZE
);
5412 res
->num_devs
= be32_to_cpup(p
);
5414 dprintk("%s: num_dev %d\n", __func__
, res
->num_devs
);
5416 if (res
->num_devs
> NFS4_PNFS_GETDEVLIST_MAXNUM
) {
5417 printk(KERN_ERR
"NFS: %s too many result dev_num %u\n",
5418 __func__
, res
->num_devs
);
5422 p
= xdr_inline_decode(xdr
,
5423 res
->num_devs
* NFS4_DEVICEID4_SIZE
+ 4);
5426 for (i
= 0; i
< res
->num_devs
; i
++)
5427 p
= xdr_decode_opaque_fixed(p
, res
->dev_id
[i
].data
,
5428 NFS4_DEVICEID4_SIZE
);
5429 res
->eof
= be32_to_cpup(p
);
5432 print_overflow_msg(__func__
, xdr
);
5436 static int decode_getdeviceinfo(struct xdr_stream
*xdr
,
5437 struct pnfs_device
*pdev
)
5443 status
= decode_op_hdr(xdr
, OP_GETDEVICEINFO
);
5445 if (status
== -ETOOSMALL
) {
5446 p
= xdr_inline_decode(xdr
, 4);
5449 pdev
->mincount
= be32_to_cpup(p
);
5450 dprintk("%s: Min count too small. mincnt = %u\n",
5451 __func__
, pdev
->mincount
);
5456 p
= xdr_inline_decode(xdr
, 8);
5459 type
= be32_to_cpup(p
++);
5460 if (type
!= pdev
->layout_type
) {
5461 dprintk("%s: layout mismatch req: %u pdev: %u\n",
5462 __func__
, pdev
->layout_type
, type
);
5466 * Get the length of the opaque device_addr4. xdr_read_pages places
5467 * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages)
5468 * and places the remaining xdr data in xdr_buf->tail
5470 pdev
->mincount
= be32_to_cpup(p
);
5471 xdr_read_pages(xdr
, pdev
->mincount
); /* include space for the length */
5473 /* Parse notification bitmap, verifying that it is zero. */
5474 p
= xdr_inline_decode(xdr
, 4);
5477 len
= be32_to_cpup(p
);
5481 p
= xdr_inline_decode(xdr
, 4 * len
);
5484 for (i
= 0; i
< len
; i
++, p
++) {
5485 if (be32_to_cpup(p
)) {
5486 dprintk("%s: notifications not supported\n",
5494 print_overflow_msg(__func__
, xdr
);
5498 static int decode_layoutget(struct xdr_stream
*xdr
, struct rpc_rqst
*req
,
5499 struct nfs4_layoutget_res
*res
)
5504 struct xdr_buf
*rcvbuf
= &req
->rq_rcv_buf
;
5505 struct kvec
*iov
= rcvbuf
->head
;
5508 status
= decode_op_hdr(xdr
, OP_LAYOUTGET
);
5511 p
= xdr_inline_decode(xdr
, 4);
5514 res
->return_on_close
= be32_to_cpup(p
);
5515 decode_stateid(xdr
, &res
->stateid
);
5516 p
= xdr_inline_decode(xdr
, 4);
5519 layout_count
= be32_to_cpup(p
);
5520 if (!layout_count
) {
5521 dprintk("%s: server responded with empty layout array\n",
5526 p
= xdr_inline_decode(xdr
, 28);
5529 p
= xdr_decode_hyper(p
, &res
->range
.offset
);
5530 p
= xdr_decode_hyper(p
, &res
->range
.length
);
5531 res
->range
.iomode
= be32_to_cpup(p
++);
5532 res
->type
= be32_to_cpup(p
++);
5533 res
->layoutp
->len
= be32_to_cpup(p
);
5535 dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n",
5537 (unsigned long)res
->range
.offset
,
5538 (unsigned long)res
->range
.length
,
5543 hdrlen
= (u8
*) xdr
->p
- (u8
*) iov
->iov_base
;
5544 recvd
= req
->rq_rcv_buf
.len
- hdrlen
;
5545 if (res
->layoutp
->len
> recvd
) {
5546 dprintk("NFS: server cheating in layoutget reply: "
5547 "layout len %u > recvd %u\n",
5548 res
->layoutp
->len
, recvd
);
5552 xdr_read_pages(xdr
, res
->layoutp
->len
);
5554 if (layout_count
> 1) {
5555 /* We only handle a length one array at the moment. Any
5556 * further entries are just ignored. Note that this means
5557 * the client may see a response that is less than the
5558 * minimum it requested.
5560 dprintk("%s: server responded with %d layouts, dropping tail\n",
5561 __func__
, layout_count
);
5566 print_overflow_msg(__func__
, xdr
);
5570 static int decode_layoutreturn(struct xdr_stream
*xdr
,
5571 struct nfs4_layoutreturn_res
*res
)
5576 status
= decode_op_hdr(xdr
, OP_LAYOUTRETURN
);
5579 p
= xdr_inline_decode(xdr
, 4);
5582 res
->lrs_present
= be32_to_cpup(p
);
5583 if (res
->lrs_present
)
5584 status
= decode_stateid(xdr
, &res
->stateid
);
5587 print_overflow_msg(__func__
, xdr
);
5591 static int decode_layoutcommit(struct xdr_stream
*xdr
,
5592 struct rpc_rqst
*req
,
5593 struct nfs4_layoutcommit_res
*res
)
5599 status
= decode_op_hdr(xdr
, OP_LAYOUTCOMMIT
);
5600 res
->status
= status
;
5604 p
= xdr_inline_decode(xdr
, 4);
5607 sizechanged
= be32_to_cpup(p
);
5610 /* throw away new size */
5611 p
= xdr_inline_decode(xdr
, 8);
5617 print_overflow_msg(__func__
, xdr
);
5621 static int decode_test_stateid(struct xdr_stream
*xdr
,
5622 struct nfs41_test_stateid_res
*res
)
5628 status
= decode_op_hdr(xdr
, OP_TEST_STATEID
);
5632 p
= xdr_inline_decode(xdr
, 4);
5635 num_res
= be32_to_cpup(p
++);
5639 p
= xdr_inline_decode(xdr
, 4);
5642 res
->status
= be32_to_cpup(p
++);
5646 print_overflow_msg(__func__
, xdr
);
5651 static int decode_free_stateid(struct xdr_stream
*xdr
,
5652 struct nfs41_free_stateid_res
*res
)
5657 status
= decode_op_hdr(xdr
, OP_FREE_STATEID
);
5661 p
= xdr_inline_decode(xdr
, 4);
5664 res
->status
= be32_to_cpup(p
++);
5667 print_overflow_msg(__func__
, xdr
);
5670 #endif /* CONFIG_NFS_V4_1 */
5673 * END OF "GENERIC" DECODE ROUTINES.
5677 * Decode OPEN_DOWNGRADE response
5679 static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst
*rqstp
,
5680 struct xdr_stream
*xdr
,
5681 struct nfs_closeres
*res
)
5683 struct compound_hdr hdr
;
5686 status
= decode_compound_hdr(xdr
, &hdr
);
5689 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5692 status
= decode_putfh(xdr
);
5695 status
= decode_open_downgrade(xdr
, res
);
5698 decode_getfattr(xdr
, res
->fattr
, res
->server
);
5704 * Decode ACCESS response
5706 static int nfs4_xdr_dec_access(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5707 struct nfs4_accessres
*res
)
5709 struct compound_hdr hdr
;
5712 status
= decode_compound_hdr(xdr
, &hdr
);
5715 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5718 status
= decode_putfh(xdr
);
5721 status
= decode_access(xdr
, res
);
5724 decode_getfattr(xdr
, res
->fattr
, res
->server
);
5730 * Decode LOOKUP response
5732 static int nfs4_xdr_dec_lookup(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5733 struct nfs4_lookup_res
*res
)
5735 struct compound_hdr hdr
;
5738 status
= decode_compound_hdr(xdr
, &hdr
);
5741 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5744 status
= decode_putfh(xdr
);
5747 status
= decode_lookup(xdr
);
5750 status
= decode_getfh(xdr
, res
->fh
);
5753 status
= decode_getfattr(xdr
, res
->fattr
, res
->server
);
5759 * Decode LOOKUP_ROOT response
5761 static int nfs4_xdr_dec_lookup_root(struct rpc_rqst
*rqstp
,
5762 struct xdr_stream
*xdr
,
5763 struct nfs4_lookup_res
*res
)
5765 struct compound_hdr hdr
;
5768 status
= decode_compound_hdr(xdr
, &hdr
);
5771 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5774 status
= decode_putrootfh(xdr
);
5777 status
= decode_getfh(xdr
, res
->fh
);
5779 status
= decode_getfattr(xdr
, res
->fattr
, res
->server
);
5785 * Decode REMOVE response
5787 static int nfs4_xdr_dec_remove(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5788 struct nfs_removeres
*res
)
5790 struct compound_hdr hdr
;
5793 status
= decode_compound_hdr(xdr
, &hdr
);
5796 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5799 status
= decode_putfh(xdr
);
5802 status
= decode_remove(xdr
, &res
->cinfo
);
5805 decode_getfattr(xdr
, res
->dir_attr
, res
->server
);
5811 * Decode RENAME response
5813 static int nfs4_xdr_dec_rename(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5814 struct nfs_renameres
*res
)
5816 struct compound_hdr hdr
;
5819 status
= decode_compound_hdr(xdr
, &hdr
);
5822 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5825 status
= decode_putfh(xdr
);
5828 status
= decode_savefh(xdr
);
5831 status
= decode_putfh(xdr
);
5834 status
= decode_rename(xdr
, &res
->old_cinfo
, &res
->new_cinfo
);
5837 /* Current FH is target directory */
5838 if (decode_getfattr(xdr
, res
->new_fattr
, res
->server
))
5840 status
= decode_restorefh(xdr
);
5843 decode_getfattr(xdr
, res
->old_fattr
, res
->server
);
5849 * Decode LINK response
5851 static int nfs4_xdr_dec_link(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5852 struct nfs4_link_res
*res
)
5854 struct compound_hdr hdr
;
5857 status
= decode_compound_hdr(xdr
, &hdr
);
5860 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5863 status
= decode_putfh(xdr
);
5866 status
= decode_savefh(xdr
);
5869 status
= decode_putfh(xdr
);
5872 status
= decode_link(xdr
, &res
->cinfo
);
5876 * Note order: OP_LINK leaves the directory as the current
5879 if (decode_getfattr(xdr
, res
->dir_attr
, res
->server
))
5881 status
= decode_restorefh(xdr
);
5884 decode_getfattr(xdr
, res
->fattr
, res
->server
);
5890 * Decode CREATE response
5892 static int nfs4_xdr_dec_create(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5893 struct nfs4_create_res
*res
)
5895 struct compound_hdr hdr
;
5898 status
= decode_compound_hdr(xdr
, &hdr
);
5901 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5904 status
= decode_putfh(xdr
);
5907 status
= decode_savefh(xdr
);
5910 status
= decode_create(xdr
, &res
->dir_cinfo
);
5913 status
= decode_getfh(xdr
, res
->fh
);
5916 if (decode_getfattr(xdr
, res
->fattr
, res
->server
))
5918 status
= decode_restorefh(xdr
);
5921 decode_getfattr(xdr
, res
->dir_fattr
, res
->server
);
5927 * Decode SYMLINK response
5929 static int nfs4_xdr_dec_symlink(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5930 struct nfs4_create_res
*res
)
5932 return nfs4_xdr_dec_create(rqstp
, xdr
, res
);
5936 * Decode GETATTR response
5938 static int nfs4_xdr_dec_getattr(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5939 struct nfs4_getattr_res
*res
)
5941 struct compound_hdr hdr
;
5944 status
= decode_compound_hdr(xdr
, &hdr
);
5947 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5950 status
= decode_putfh(xdr
);
5953 status
= decode_getfattr(xdr
, res
->fattr
, res
->server
);
5959 * Encode an SETACL request
5961 static void nfs4_xdr_enc_setacl(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
5962 struct nfs_setaclargs
*args
)
5964 struct compound_hdr hdr
= {
5965 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
5968 encode_compound_hdr(xdr
, req
, &hdr
);
5969 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
5970 encode_putfh(xdr
, args
->fh
, &hdr
);
5971 encode_setacl(xdr
, args
, &hdr
);
5976 * Decode SETACL response
5979 nfs4_xdr_dec_setacl(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5980 struct nfs_setaclres
*res
)
5982 struct compound_hdr hdr
;
5985 status
= decode_compound_hdr(xdr
, &hdr
);
5988 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5991 status
= decode_putfh(xdr
);
5994 status
= decode_setattr(xdr
);
6000 * Decode GETACL response
6003 nfs4_xdr_dec_getacl(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6004 struct nfs_getaclres
*res
)
6006 struct compound_hdr hdr
;
6009 if (res
->acl_scratch
!= NULL
) {
6010 void *p
= page_address(res
->acl_scratch
);
6011 xdr_set_scratch_buffer(xdr
, p
, PAGE_SIZE
);
6013 status
= decode_compound_hdr(xdr
, &hdr
);
6016 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6019 status
= decode_putfh(xdr
);
6022 status
= decode_getacl(xdr
, rqstp
, res
);
6029 * Decode CLOSE response
6031 static int nfs4_xdr_dec_close(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6032 struct nfs_closeres
*res
)
6034 struct compound_hdr hdr
;
6037 status
= decode_compound_hdr(xdr
, &hdr
);
6040 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6043 status
= decode_putfh(xdr
);
6046 status
= decode_close(xdr
, res
);
6050 * Note: Server may do delete on close for this file
6051 * in which case the getattr call will fail with
6052 * an ESTALE error. Shouldn't be a problem,
6053 * though, since fattr->valid will remain unset.
6055 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6061 * Decode OPEN response
6063 static int nfs4_xdr_dec_open(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6064 struct nfs_openres
*res
)
6066 struct compound_hdr hdr
;
6069 status
= decode_compound_hdr(xdr
, &hdr
);
6072 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6075 status
= decode_putfh(xdr
);
6078 status
= decode_savefh(xdr
);
6081 status
= decode_open(xdr
, res
);
6084 if (decode_getfh(xdr
, &res
->fh
) != 0)
6086 if (decode_getfattr(xdr
, res
->f_attr
, res
->server
) != 0)
6088 if (decode_restorefh(xdr
) != 0)
6090 decode_getfattr(xdr
, res
->dir_attr
, res
->server
);
6096 * Decode OPEN_CONFIRM response
6098 static int nfs4_xdr_dec_open_confirm(struct rpc_rqst
*rqstp
,
6099 struct xdr_stream
*xdr
,
6100 struct nfs_open_confirmres
*res
)
6102 struct compound_hdr hdr
;
6105 status
= decode_compound_hdr(xdr
, &hdr
);
6108 status
= decode_putfh(xdr
);
6111 status
= decode_open_confirm(xdr
, res
);
6117 * Decode OPEN response
6119 static int nfs4_xdr_dec_open_noattr(struct rpc_rqst
*rqstp
,
6120 struct xdr_stream
*xdr
,
6121 struct nfs_openres
*res
)
6123 struct compound_hdr hdr
;
6126 status
= decode_compound_hdr(xdr
, &hdr
);
6129 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6132 status
= decode_putfh(xdr
);
6135 status
= decode_open(xdr
, res
);
6138 decode_getfattr(xdr
, res
->f_attr
, res
->server
);
6144 * Decode SETATTR response
6146 static int nfs4_xdr_dec_setattr(struct rpc_rqst
*rqstp
,
6147 struct xdr_stream
*xdr
,
6148 struct nfs_setattrres
*res
)
6150 struct compound_hdr hdr
;
6153 status
= decode_compound_hdr(xdr
, &hdr
);
6156 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6159 status
= decode_putfh(xdr
);
6162 status
= decode_setattr(xdr
);
6165 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6171 * Decode LOCK response
6173 static int nfs4_xdr_dec_lock(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6174 struct nfs_lock_res
*res
)
6176 struct compound_hdr hdr
;
6179 status
= decode_compound_hdr(xdr
, &hdr
);
6182 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6185 status
= decode_putfh(xdr
);
6188 status
= decode_lock(xdr
, res
);
6194 * Decode LOCKT response
6196 static int nfs4_xdr_dec_lockt(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6197 struct nfs_lockt_res
*res
)
6199 struct compound_hdr hdr
;
6202 status
= decode_compound_hdr(xdr
, &hdr
);
6205 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6208 status
= decode_putfh(xdr
);
6211 status
= decode_lockt(xdr
, res
);
6217 * Decode LOCKU response
6219 static int nfs4_xdr_dec_locku(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6220 struct nfs_locku_res
*res
)
6222 struct compound_hdr hdr
;
6225 status
= decode_compound_hdr(xdr
, &hdr
);
6228 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6231 status
= decode_putfh(xdr
);
6234 status
= decode_locku(xdr
, res
);
6239 static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst
*rqstp
,
6240 struct xdr_stream
*xdr
, void *dummy
)
6242 struct compound_hdr hdr
;
6245 status
= decode_compound_hdr(xdr
, &hdr
);
6247 status
= decode_release_lockowner(xdr
);
6252 * Decode READLINK response
6254 static int nfs4_xdr_dec_readlink(struct rpc_rqst
*rqstp
,
6255 struct xdr_stream
*xdr
,
6256 struct nfs4_readlink_res
*res
)
6258 struct compound_hdr hdr
;
6261 status
= decode_compound_hdr(xdr
, &hdr
);
6264 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6267 status
= decode_putfh(xdr
);
6270 status
= decode_readlink(xdr
, rqstp
);
6276 * Decode READDIR response
6278 static int nfs4_xdr_dec_readdir(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6279 struct nfs4_readdir_res
*res
)
6281 struct compound_hdr hdr
;
6284 status
= decode_compound_hdr(xdr
, &hdr
);
6287 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6290 status
= decode_putfh(xdr
);
6293 status
= decode_readdir(xdr
, rqstp
, res
);
6299 * Decode Read response
6301 static int nfs4_xdr_dec_read(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6302 struct nfs_readres
*res
)
6304 struct compound_hdr hdr
;
6307 status
= decode_compound_hdr(xdr
, &hdr
);
6310 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6313 status
= decode_putfh(xdr
);
6316 status
= decode_read(xdr
, rqstp
, res
);
6318 status
= res
->count
;
6324 * Decode WRITE response
6326 static int nfs4_xdr_dec_write(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6327 struct nfs_writeres
*res
)
6329 struct compound_hdr hdr
;
6332 status
= decode_compound_hdr(xdr
, &hdr
);
6335 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6338 status
= decode_putfh(xdr
);
6341 status
= decode_write(xdr
, res
);
6345 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6347 status
= res
->count
;
6353 * Decode COMMIT response
6355 static int nfs4_xdr_dec_commit(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6356 struct nfs_writeres
*res
)
6358 struct compound_hdr hdr
;
6361 status
= decode_compound_hdr(xdr
, &hdr
);
6364 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6367 status
= decode_putfh(xdr
);
6370 status
= decode_commit(xdr
, res
);
6374 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6380 * Decode FSINFO response
6382 static int nfs4_xdr_dec_fsinfo(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6383 struct nfs4_fsinfo_res
*res
)
6385 struct compound_hdr hdr
;
6388 status
= decode_compound_hdr(xdr
, &hdr
);
6390 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6392 status
= decode_putfh(xdr
);
6394 status
= decode_fsinfo(xdr
, res
->fsinfo
);
6399 * Decode PATHCONF response
6401 static int nfs4_xdr_dec_pathconf(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6402 struct nfs4_pathconf_res
*res
)
6404 struct compound_hdr hdr
;
6407 status
= decode_compound_hdr(xdr
, &hdr
);
6409 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6411 status
= decode_putfh(xdr
);
6413 status
= decode_pathconf(xdr
, res
->pathconf
);
6418 * Decode STATFS response
6420 static int nfs4_xdr_dec_statfs(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6421 struct nfs4_statfs_res
*res
)
6423 struct compound_hdr hdr
;
6426 status
= decode_compound_hdr(xdr
, &hdr
);
6428 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6430 status
= decode_putfh(xdr
);
6432 status
= decode_statfs(xdr
, res
->fsstat
);
6437 * Decode GETATTR_BITMAP response
6439 static int nfs4_xdr_dec_server_caps(struct rpc_rqst
*req
,
6440 struct xdr_stream
*xdr
,
6441 struct nfs4_server_caps_res
*res
)
6443 struct compound_hdr hdr
;
6446 status
= decode_compound_hdr(xdr
, &hdr
);
6449 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6452 status
= decode_putfh(xdr
);
6455 status
= decode_server_caps(xdr
, res
);
6461 * Decode RENEW response
6463 static int nfs4_xdr_dec_renew(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6466 struct compound_hdr hdr
;
6469 status
= decode_compound_hdr(xdr
, &hdr
);
6471 status
= decode_renew(xdr
);
6476 * Decode SETCLIENTID response
6478 static int nfs4_xdr_dec_setclientid(struct rpc_rqst
*req
,
6479 struct xdr_stream
*xdr
,
6480 struct nfs4_setclientid_res
*res
)
6482 struct compound_hdr hdr
;
6485 status
= decode_compound_hdr(xdr
, &hdr
);
6487 status
= decode_setclientid(xdr
, res
);
6492 * Decode SETCLIENTID_CONFIRM response
6494 static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst
*req
,
6495 struct xdr_stream
*xdr
,
6496 struct nfs_fsinfo
*fsinfo
)
6498 struct compound_hdr hdr
;
6501 status
= decode_compound_hdr(xdr
, &hdr
);
6503 status
= decode_setclientid_confirm(xdr
);
6505 status
= decode_putrootfh(xdr
);
6507 status
= decode_fsinfo(xdr
, fsinfo
);
6512 * Decode DELEGRETURN response
6514 static int nfs4_xdr_dec_delegreturn(struct rpc_rqst
*rqstp
,
6515 struct xdr_stream
*xdr
,
6516 struct nfs4_delegreturnres
*res
)
6518 struct compound_hdr hdr
;
6521 status
= decode_compound_hdr(xdr
, &hdr
);
6524 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6527 status
= decode_putfh(xdr
);
6530 status
= decode_delegreturn(xdr
);
6533 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6539 * Decode FS_LOCATIONS response
6541 static int nfs4_xdr_dec_fs_locations(struct rpc_rqst
*req
,
6542 struct xdr_stream
*xdr
,
6543 struct nfs4_fs_locations_res
*res
)
6545 struct compound_hdr hdr
;
6548 status
= decode_compound_hdr(xdr
, &hdr
);
6551 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6554 status
= decode_putfh(xdr
);
6557 status
= decode_lookup(xdr
);
6560 xdr_enter_page(xdr
, PAGE_SIZE
);
6561 status
= decode_getfattr_generic(xdr
, &res
->fs_locations
->fattr
,
6562 NULL
, res
->fs_locations
,
6563 res
->fs_locations
->server
);
6569 * Decode SECINFO response
6571 static int nfs4_xdr_dec_secinfo(struct rpc_rqst
*rqstp
,
6572 struct xdr_stream
*xdr
,
6573 struct nfs4_secinfo_res
*res
)
6575 struct compound_hdr hdr
;
6578 status
= decode_compound_hdr(xdr
, &hdr
);
6581 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6584 status
= decode_putfh(xdr
);
6587 status
= decode_secinfo(xdr
, res
);
6592 #if defined(CONFIG_NFS_V4_1)
6594 * Decode EXCHANGE_ID response
6596 static int nfs4_xdr_dec_exchange_id(struct rpc_rqst
*rqstp
,
6597 struct xdr_stream
*xdr
,
6600 struct compound_hdr hdr
;
6603 status
= decode_compound_hdr(xdr
, &hdr
);
6605 status
= decode_exchange_id(xdr
, res
);
6610 * Decode CREATE_SESSION response
6612 static int nfs4_xdr_dec_create_session(struct rpc_rqst
*rqstp
,
6613 struct xdr_stream
*xdr
,
6614 struct nfs41_create_session_res
*res
)
6616 struct compound_hdr hdr
;
6619 status
= decode_compound_hdr(xdr
, &hdr
);
6621 status
= decode_create_session(xdr
, res
);
6626 * Decode DESTROY_SESSION response
6628 static int nfs4_xdr_dec_destroy_session(struct rpc_rqst
*rqstp
,
6629 struct xdr_stream
*xdr
,
6632 struct compound_hdr hdr
;
6635 status
= decode_compound_hdr(xdr
, &hdr
);
6637 status
= decode_destroy_session(xdr
, res
);
6642 * Decode SEQUENCE response
6644 static int nfs4_xdr_dec_sequence(struct rpc_rqst
*rqstp
,
6645 struct xdr_stream
*xdr
,
6646 struct nfs4_sequence_res
*res
)
6648 struct compound_hdr hdr
;
6651 status
= decode_compound_hdr(xdr
, &hdr
);
6653 status
= decode_sequence(xdr
, res
, rqstp
);
6658 * Decode GET_LEASE_TIME response
6660 static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst
*rqstp
,
6661 struct xdr_stream
*xdr
,
6662 struct nfs4_get_lease_time_res
*res
)
6664 struct compound_hdr hdr
;
6667 status
= decode_compound_hdr(xdr
, &hdr
);
6669 status
= decode_sequence(xdr
, &res
->lr_seq_res
, rqstp
);
6671 status
= decode_putrootfh(xdr
);
6673 status
= decode_fsinfo(xdr
, res
->lr_fsinfo
);
6678 * Decode RECLAIM_COMPLETE response
6680 static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst
*rqstp
,
6681 struct xdr_stream
*xdr
,
6682 struct nfs41_reclaim_complete_res
*res
)
6684 struct compound_hdr hdr
;
6687 status
= decode_compound_hdr(xdr
, &hdr
);
6689 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6691 status
= decode_reclaim_complete(xdr
, (void *)NULL
);
6696 * Decode GETDEVICELIST response
6698 static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst
*rqstp
,
6699 struct xdr_stream
*xdr
,
6700 struct nfs4_getdevicelist_res
*res
)
6702 struct compound_hdr hdr
;
6705 dprintk("encoding getdevicelist!\n");
6707 status
= decode_compound_hdr(xdr
, &hdr
);
6710 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6713 status
= decode_putfh(xdr
);
6716 status
= decode_getdevicelist(xdr
, res
->devlist
);
6722 * Decode GETDEVINFO response
6724 static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst
*rqstp
,
6725 struct xdr_stream
*xdr
,
6726 struct nfs4_getdeviceinfo_res
*res
)
6728 struct compound_hdr hdr
;
6731 status
= decode_compound_hdr(xdr
, &hdr
);
6734 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6737 status
= decode_getdeviceinfo(xdr
, res
->pdev
);
6743 * Decode LAYOUTGET response
6745 static int nfs4_xdr_dec_layoutget(struct rpc_rqst
*rqstp
,
6746 struct xdr_stream
*xdr
,
6747 struct nfs4_layoutget_res
*res
)
6749 struct compound_hdr hdr
;
6752 status
= decode_compound_hdr(xdr
, &hdr
);
6755 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6758 status
= decode_putfh(xdr
);
6761 status
= decode_layoutget(xdr
, rqstp
, res
);
6767 * Decode LAYOUTRETURN response
6769 static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst
*rqstp
,
6770 struct xdr_stream
*xdr
,
6771 struct nfs4_layoutreturn_res
*res
)
6773 struct compound_hdr hdr
;
6776 status
= decode_compound_hdr(xdr
, &hdr
);
6779 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6782 status
= decode_putfh(xdr
);
6785 status
= decode_layoutreturn(xdr
, res
);
6791 * Decode LAYOUTCOMMIT response
6793 static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst
*rqstp
,
6794 struct xdr_stream
*xdr
,
6795 struct nfs4_layoutcommit_res
*res
)
6797 struct compound_hdr hdr
;
6800 status
= decode_compound_hdr(xdr
, &hdr
);
6803 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6806 status
= decode_putfh(xdr
);
6809 status
= decode_layoutcommit(xdr
, rqstp
, res
);
6812 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6818 * Decode SECINFO_NO_NAME response
6820 static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst
*rqstp
,
6821 struct xdr_stream
*xdr
,
6822 struct nfs4_secinfo_res
*res
)
6824 struct compound_hdr hdr
;
6827 status
= decode_compound_hdr(xdr
, &hdr
);
6830 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6833 status
= decode_putrootfh(xdr
);
6836 status
= decode_secinfo_no_name(xdr
, res
);
6842 * Decode TEST_STATEID response
6844 static int nfs4_xdr_dec_test_stateid(struct rpc_rqst
*rqstp
,
6845 struct xdr_stream
*xdr
,
6846 struct nfs41_test_stateid_res
*res
)
6848 struct compound_hdr hdr
;
6851 status
= decode_compound_hdr(xdr
, &hdr
);
6854 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6857 status
= decode_test_stateid(xdr
, res
);
6863 * Decode FREE_STATEID response
6865 static int nfs4_xdr_dec_free_stateid(struct rpc_rqst
*rqstp
,
6866 struct xdr_stream
*xdr
,
6867 struct nfs41_free_stateid_res
*res
)
6869 struct compound_hdr hdr
;
6872 status
= decode_compound_hdr(xdr
, &hdr
);
6875 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6878 status
= decode_free_stateid(xdr
, res
);
6882 #endif /* CONFIG_NFS_V4_1 */
6885 * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in
6886 * the local page cache.
6887 * @xdr: XDR stream where entry resides
6888 * @entry: buffer to fill in with entry data
6889 * @plus: boolean indicating whether this should be a readdirplus entry
6891 * Returns zero if successful, otherwise a negative errno value is
6894 * This function is not invoked during READDIR reply decoding, but
6895 * rather whenever an application invokes the getdents(2) system call
6896 * on a directory already in our cache.
6898 int nfs4_decode_dirent(struct xdr_stream
*xdr
, struct nfs_entry
*entry
,
6901 uint32_t bitmap
[3] = {0};
6903 __be32
*p
= xdr_inline_decode(xdr
, 4);
6906 if (*p
== xdr_zero
) {
6907 p
= xdr_inline_decode(xdr
, 4);
6916 p
= xdr_inline_decode(xdr
, 12);
6919 entry
->prev_cookie
= entry
->cookie
;
6920 p
= xdr_decode_hyper(p
, &entry
->cookie
);
6921 entry
->len
= be32_to_cpup(p
);
6923 p
= xdr_inline_decode(xdr
, entry
->len
);
6926 entry
->name
= (const char *) p
;
6929 * In case the server doesn't return an inode number,
6930 * we fake one here. (We don't use inode number 0,
6931 * since glibc seems to choke on it...)
6934 entry
->fattr
->valid
= 0;
6936 if (decode_attr_bitmap(xdr
, bitmap
) < 0)
6939 if (decode_attr_length(xdr
, &len
, &p
) < 0)
6942 if (decode_getfattr_attrs(xdr
, bitmap
, entry
->fattr
, entry
->fh
,
6943 NULL
, entry
->server
) < 0)
6945 if (entry
->fattr
->valid
& NFS_ATTR_FATTR_MOUNTED_ON_FILEID
)
6946 entry
->ino
= entry
->fattr
->mounted_on_fileid
;
6947 else if (entry
->fattr
->valid
& NFS_ATTR_FATTR_FILEID
)
6948 entry
->ino
= entry
->fattr
->fileid
;
6950 entry
->d_type
= DT_UNKNOWN
;
6951 if (entry
->fattr
->valid
& NFS_ATTR_FATTR_TYPE
)
6952 entry
->d_type
= nfs_umode_to_dtype(entry
->fattr
->mode
);
6957 print_overflow_msg(__func__
, xdr
);
6962 * We need to translate between nfs status return values and
6963 * the local errno values which may not be the same.
6970 { NFS4ERR_PERM
, -EPERM
},
6971 { NFS4ERR_NOENT
, -ENOENT
},
6972 { NFS4ERR_IO
, -errno_NFSERR_IO
},
6973 { NFS4ERR_NXIO
, -ENXIO
},
6974 { NFS4ERR_ACCESS
, -EACCES
},
6975 { NFS4ERR_EXIST
, -EEXIST
},
6976 { NFS4ERR_XDEV
, -EXDEV
},
6977 { NFS4ERR_NOTDIR
, -ENOTDIR
},
6978 { NFS4ERR_ISDIR
, -EISDIR
},
6979 { NFS4ERR_INVAL
, -EINVAL
},
6980 { NFS4ERR_FBIG
, -EFBIG
},
6981 { NFS4ERR_NOSPC
, -ENOSPC
},
6982 { NFS4ERR_ROFS
, -EROFS
},
6983 { NFS4ERR_MLINK
, -EMLINK
},
6984 { NFS4ERR_NAMETOOLONG
, -ENAMETOOLONG
},
6985 { NFS4ERR_NOTEMPTY
, -ENOTEMPTY
},
6986 { NFS4ERR_DQUOT
, -EDQUOT
},
6987 { NFS4ERR_STALE
, -ESTALE
},
6988 { NFS4ERR_BADHANDLE
, -EBADHANDLE
},
6989 { NFS4ERR_BAD_COOKIE
, -EBADCOOKIE
},
6990 { NFS4ERR_NOTSUPP
, -ENOTSUPP
},
6991 { NFS4ERR_TOOSMALL
, -ETOOSMALL
},
6992 { NFS4ERR_SERVERFAULT
, -EREMOTEIO
},
6993 { NFS4ERR_BADTYPE
, -EBADTYPE
},
6994 { NFS4ERR_LOCKED
, -EAGAIN
},
6995 { NFS4ERR_SYMLINK
, -ELOOP
},
6996 { NFS4ERR_OP_ILLEGAL
, -EOPNOTSUPP
},
6997 { NFS4ERR_DEADLOCK
, -EDEADLK
},
7002 * Convert an NFS error code to a local one.
7003 * This one is used jointly by NFSv2 and NFSv3.
7006 nfs4_stat_to_errno(int stat
)
7009 for (i
= 0; nfs_errtbl
[i
].stat
!= -1; i
++) {
7010 if (nfs_errtbl
[i
].stat
== stat
)
7011 return nfs_errtbl
[i
].errno
;
7013 if (stat
<= 10000 || stat
> 10100) {
7014 /* The server is looney tunes. */
7017 /* If we cannot translate the error, the recovery routines should
7019 * Note: remaining NFSv4 error codes have values > 10000, so should
7020 * not conflict with native Linux error codes.
7025 #define PROC(proc, argtype, restype) \
7026 [NFSPROC4_CLNT_##proc] = { \
7027 .p_proc = NFSPROC4_COMPOUND, \
7028 .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \
7029 .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \
7030 .p_arglen = NFS4_##argtype##_sz, \
7031 .p_replen = NFS4_##restype##_sz, \
7032 .p_statidx = NFSPROC4_CLNT_##proc, \
7036 struct rpc_procinfo nfs4_procedures
[] = {
7037 PROC(READ
, enc_read
, dec_read
),
7038 PROC(WRITE
, enc_write
, dec_write
),
7039 PROC(COMMIT
, enc_commit
, dec_commit
),
7040 PROC(OPEN
, enc_open
, dec_open
),
7041 PROC(OPEN_CONFIRM
, enc_open_confirm
, dec_open_confirm
),
7042 PROC(OPEN_NOATTR
, enc_open_noattr
, dec_open_noattr
),
7043 PROC(OPEN_DOWNGRADE
, enc_open_downgrade
, dec_open_downgrade
),
7044 PROC(CLOSE
, enc_close
, dec_close
),
7045 PROC(SETATTR
, enc_setattr
, dec_setattr
),
7046 PROC(FSINFO
, enc_fsinfo
, dec_fsinfo
),
7047 PROC(RENEW
, enc_renew
, dec_renew
),
7048 PROC(SETCLIENTID
, enc_setclientid
, dec_setclientid
),
7049 PROC(SETCLIENTID_CONFIRM
, enc_setclientid_confirm
, dec_setclientid_confirm
),
7050 PROC(LOCK
, enc_lock
, dec_lock
),
7051 PROC(LOCKT
, enc_lockt
, dec_lockt
),
7052 PROC(LOCKU
, enc_locku
, dec_locku
),
7053 PROC(ACCESS
, enc_access
, dec_access
),
7054 PROC(GETATTR
, enc_getattr
, dec_getattr
),
7055 PROC(LOOKUP
, enc_lookup
, dec_lookup
),
7056 PROC(LOOKUP_ROOT
, enc_lookup_root
, dec_lookup_root
),
7057 PROC(REMOVE
, enc_remove
, dec_remove
),
7058 PROC(RENAME
, enc_rename
, dec_rename
),
7059 PROC(LINK
, enc_link
, dec_link
),
7060 PROC(SYMLINK
, enc_symlink
, dec_symlink
),
7061 PROC(CREATE
, enc_create
, dec_create
),
7062 PROC(PATHCONF
, enc_pathconf
, dec_pathconf
),
7063 PROC(STATFS
, enc_statfs
, dec_statfs
),
7064 PROC(READLINK
, enc_readlink
, dec_readlink
),
7065 PROC(READDIR
, enc_readdir
, dec_readdir
),
7066 PROC(SERVER_CAPS
, enc_server_caps
, dec_server_caps
),
7067 PROC(DELEGRETURN
, enc_delegreturn
, dec_delegreturn
),
7068 PROC(GETACL
, enc_getacl
, dec_getacl
),
7069 PROC(SETACL
, enc_setacl
, dec_setacl
),
7070 PROC(FS_LOCATIONS
, enc_fs_locations
, dec_fs_locations
),
7071 PROC(RELEASE_LOCKOWNER
, enc_release_lockowner
, dec_release_lockowner
),
7072 PROC(SECINFO
, enc_secinfo
, dec_secinfo
),
7073 #if defined(CONFIG_NFS_V4_1)
7074 PROC(EXCHANGE_ID
, enc_exchange_id
, dec_exchange_id
),
7075 PROC(CREATE_SESSION
, enc_create_session
, dec_create_session
),
7076 PROC(DESTROY_SESSION
, enc_destroy_session
, dec_destroy_session
),
7077 PROC(SEQUENCE
, enc_sequence
, dec_sequence
),
7078 PROC(GET_LEASE_TIME
, enc_get_lease_time
, dec_get_lease_time
),
7079 PROC(RECLAIM_COMPLETE
, enc_reclaim_complete
, dec_reclaim_complete
),
7080 PROC(GETDEVICEINFO
, enc_getdeviceinfo
, dec_getdeviceinfo
),
7081 PROC(LAYOUTGET
, enc_layoutget
, dec_layoutget
),
7082 PROC(LAYOUTCOMMIT
, enc_layoutcommit
, dec_layoutcommit
),
7083 PROC(LAYOUTRETURN
, enc_layoutreturn
, dec_layoutreturn
),
7084 PROC(SECINFO_NO_NAME
, enc_secinfo_no_name
, dec_secinfo_no_name
),
7085 PROC(TEST_STATEID
, enc_test_stateid
, dec_test_stateid
),
7086 PROC(FREE_STATEID
, enc_free_stateid
, dec_free_stateid
),
7087 PROC(GETDEVICELIST
, enc_getdevicelist
, dec_getdevicelist
),
7088 #endif /* CONFIG_NFS_V4_1 */
7091 const struct rpc_version nfs_version4
= {
7093 .nrprocs
= ARRAY_SIZE(nfs4_procedures
),
7094 .procs
= nfs4_procedures