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d7e09d03 PT |
1 | /* |
2 | * GPL HEADER START | |
3 | * | |
4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 only, | |
8 | * as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License version 2 for more details (a copy is included | |
14 | * in the LICENSE file that accompanied this code). | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * version 2 along with this program; If not, see | |
18 | * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf | |
19 | * | |
20 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
21 | * CA 95054 USA or visit www.sun.com if you need additional information or | |
22 | * have any questions. | |
23 | * | |
24 | * GPL HEADER END | |
25 | */ | |
26 | /* | |
27 | * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. | |
28 | * Use is subject to license terms. | |
29 | * | |
30 | * Copyright (c) 2011, 2012, Intel Corporation. | |
31 | */ | |
32 | /* | |
33 | * This file is part of Lustre, http://www.lustre.org/ | |
34 | * Lustre is a trademark of Sun Microsystems, Inc. | |
35 | */ | |
36 | ||
37 | #define DEBUG_SUBSYSTEM S_MDC | |
05932307 GKH |
38 | #include "../include/lustre_net.h" |
39 | #include "../include/lustre/lustre_idl.h" | |
d7e09d03 PT |
40 | #include "mdc_internal.h" |
41 | ||
42 | ||
43 | static void __mdc_pack_body(struct mdt_body *b, __u32 suppgid) | |
44 | { | |
ffdac6ce | 45 | LASSERT(b != NULL); |
d7e09d03 PT |
46 | |
47 | b->suppgid = suppgid; | |
4b1a25f0 PT |
48 | b->uid = from_kuid(&init_user_ns, current_uid()); |
49 | b->gid = from_kgid(&init_user_ns, current_gid()); | |
50 | b->fsuid = from_kuid(&init_user_ns, current_fsuid()); | |
51 | b->fsgid = from_kgid(&init_user_ns, current_fsgid()); | |
d7e09d03 PT |
52 | b->capability = cfs_curproc_cap_pack(); |
53 | } | |
54 | ||
e5e663ae SM |
55 | void mdc_pack_capa(struct ptlrpc_request *req, |
56 | const struct req_msg_field *field, | |
d7e09d03 PT |
57 | struct obd_capa *oc) |
58 | { | |
59 | struct req_capsule *pill = &req->rq_pill; | |
60 | struct lustre_capa *c; | |
61 | ||
62 | if (oc == NULL) { | |
63 | LASSERT(req_capsule_get_size(pill, field, RCL_CLIENT) == 0); | |
64 | return; | |
65 | } | |
66 | ||
67 | c = req_capsule_client_get(pill, field); | |
68 | LASSERT(c != NULL); | |
69 | capa_cpy(c, oc); | |
70 | DEBUG_CAPA(D_SEC, c, "pack"); | |
71 | } | |
72 | ||
73 | void mdc_is_subdir_pack(struct ptlrpc_request *req, const struct lu_fid *pfid, | |
74 | const struct lu_fid *cfid, int flags) | |
75 | { | |
76 | struct mdt_body *b = req_capsule_client_get(&req->rq_pill, | |
77 | &RMF_MDT_BODY); | |
78 | ||
79 | if (pfid) { | |
80 | b->fid1 = *pfid; | |
81 | b->valid = OBD_MD_FLID; | |
82 | } | |
83 | if (cfid) | |
84 | b->fid2 = *cfid; | |
85 | b->flags = flags; | |
86 | } | |
87 | ||
88 | void mdc_swap_layouts_pack(struct ptlrpc_request *req, | |
89 | struct md_op_data *op_data) | |
90 | { | |
91 | struct mdt_body *b = req_capsule_client_get(&req->rq_pill, | |
92 | &RMF_MDT_BODY); | |
93 | ||
94 | __mdc_pack_body(b, op_data->op_suppgids[0]); | |
95 | b->fid1 = op_data->op_fid1; | |
96 | b->fid2 = op_data->op_fid2; | |
97 | b->valid |= OBD_MD_FLID; | |
98 | ||
99 | mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1); | |
100 | mdc_pack_capa(req, &RMF_CAPA2, op_data->op_capa2); | |
101 | } | |
102 | ||
103 | void mdc_pack_body(struct ptlrpc_request *req, | |
104 | const struct lu_fid *fid, struct obd_capa *oc, | |
105 | __u64 valid, int ea_size, __u32 suppgid, int flags) | |
106 | { | |
107 | struct mdt_body *b = req_capsule_client_get(&req->rq_pill, | |
108 | &RMF_MDT_BODY); | |
109 | LASSERT(b != NULL); | |
110 | b->valid = valid; | |
111 | b->eadatasize = ea_size; | |
112 | b->flags = flags; | |
113 | __mdc_pack_body(b, suppgid); | |
114 | if (fid) { | |
115 | b->fid1 = *fid; | |
116 | b->valid |= OBD_MD_FLID; | |
117 | mdc_pack_capa(req, &RMF_CAPA1, oc); | |
118 | } | |
119 | } | |
120 | ||
121 | void mdc_readdir_pack(struct ptlrpc_request *req, __u64 pgoff, | |
122 | __u32 size, const struct lu_fid *fid, struct obd_capa *oc) | |
123 | { | |
124 | struct mdt_body *b = req_capsule_client_get(&req->rq_pill, | |
125 | &RMF_MDT_BODY); | |
126 | b->fid1 = *fid; | |
127 | b->valid |= OBD_MD_FLID; | |
128 | b->size = pgoff; /* !! */ | |
129 | b->nlink = size; /* !! */ | |
130 | __mdc_pack_body(b, -1); | |
131 | b->mode = LUDA_FID | LUDA_TYPE; | |
132 | ||
133 | mdc_pack_capa(req, &RMF_CAPA1, oc); | |
134 | } | |
135 | ||
136 | /* packing of MDS records */ | |
137 | void mdc_create_pack(struct ptlrpc_request *req, struct md_op_data *op_data, | |
138 | const void *data, int datalen, __u32 mode, | |
139 | __u32 uid, __u32 gid, cfs_cap_t cap_effective, __u64 rdev) | |
140 | { | |
141 | struct mdt_rec_create *rec; | |
142 | char *tmp; | |
143 | __u64 flags; | |
144 | ||
145 | CLASSERT(sizeof(struct mdt_rec_reint) == sizeof(struct mdt_rec_create)); | |
146 | rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT); | |
147 | ||
148 | ||
149 | rec->cr_opcode = REINT_CREATE; | |
150 | rec->cr_fsuid = uid; | |
151 | rec->cr_fsgid = gid; | |
152 | rec->cr_cap = cap_effective; | |
153 | rec->cr_fid1 = op_data->op_fid1; | |
154 | rec->cr_fid2 = op_data->op_fid2; | |
155 | rec->cr_mode = mode; | |
156 | rec->cr_rdev = rdev; | |
157 | rec->cr_time = op_data->op_mod_time; | |
158 | rec->cr_suppgid1 = op_data->op_suppgids[0]; | |
159 | rec->cr_suppgid2 = op_data->op_suppgids[1]; | |
160 | flags = op_data->op_flags & MF_SOM_LOCAL_FLAGS; | |
161 | if (op_data->op_bias & MDS_CREATE_VOLATILE) | |
162 | flags |= MDS_OPEN_VOLATILE; | |
163 | set_mrc_cr_flags(rec, flags); | |
164 | rec->cr_bias = op_data->op_bias; | |
165 | rec->cr_umask = current_umask(); | |
166 | ||
167 | mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1); | |
168 | ||
169 | tmp = req_capsule_client_get(&req->rq_pill, &RMF_NAME); | |
170 | LOGL0(op_data->op_name, op_data->op_namelen, tmp); | |
171 | ||
172 | if (data) { | |
173 | tmp = req_capsule_client_get(&req->rq_pill, &RMF_EADATA); | |
174 | memcpy(tmp, data, datalen); | |
175 | } | |
176 | } | |
177 | ||
d3a8a4e2 | 178 | static __u64 mds_pack_open_flags(__u64 flags, __u32 mode) |
d7e09d03 PT |
179 | { |
180 | __u64 cr_flags = (flags & (FMODE_READ | FMODE_WRITE | | |
181 | MDS_OPEN_HAS_EA | MDS_OPEN_HAS_OBJS | | |
182 | MDS_OPEN_OWNEROVERRIDE | MDS_OPEN_LOCK | | |
48d23e61 JX |
183 | MDS_OPEN_BY_FID | MDS_OPEN_LEASE | |
184 | MDS_OPEN_RELEASE)); | |
d7e09d03 PT |
185 | if (flags & O_CREAT) |
186 | cr_flags |= MDS_OPEN_CREAT; | |
187 | if (flags & O_EXCL) | |
188 | cr_flags |= MDS_OPEN_EXCL; | |
189 | if (flags & O_TRUNC) | |
190 | cr_flags |= MDS_OPEN_TRUNC; | |
191 | if (flags & O_APPEND) | |
192 | cr_flags |= MDS_OPEN_APPEND; | |
193 | if (flags & O_SYNC) | |
194 | cr_flags |= MDS_OPEN_SYNC; | |
195 | if (flags & O_DIRECTORY) | |
196 | cr_flags |= MDS_OPEN_DIRECTORY; | |
962dbfd6 | 197 | if (flags & __FMODE_EXEC) |
d7e09d03 | 198 | cr_flags |= MDS_FMODE_EXEC; |
38585ccc | 199 | if (cl_is_lov_delay_create(flags)) |
d7e09d03 PT |
200 | cr_flags |= MDS_OPEN_DELAY_CREATE; |
201 | ||
7d5ed06b | 202 | if (flags & O_NONBLOCK) |
d7e09d03 PT |
203 | cr_flags |= MDS_OPEN_NORESTORE; |
204 | ||
205 | return cr_flags; | |
206 | } | |
207 | ||
208 | /* packing of MDS records */ | |
209 | void mdc_open_pack(struct ptlrpc_request *req, struct md_op_data *op_data, | |
d3a8a4e2 | 210 | __u32 mode, __u64 rdev, __u64 flags, const void *lmm, |
d7e09d03 PT |
211 | int lmmlen) |
212 | { | |
213 | struct mdt_rec_create *rec; | |
214 | char *tmp; | |
215 | __u64 cr_flags; | |
216 | ||
217 | CLASSERT(sizeof(struct mdt_rec_reint) == sizeof(struct mdt_rec_create)); | |
218 | rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT); | |
219 | ||
220 | /* XXX do something about time, uid, gid */ | |
221 | rec->cr_opcode = REINT_OPEN; | |
4b1a25f0 PT |
222 | rec->cr_fsuid = from_kuid(&init_user_ns, current_fsuid()); |
223 | rec->cr_fsgid = from_kgid(&init_user_ns, current_fsgid()); | |
d7e09d03 PT |
224 | rec->cr_cap = cfs_curproc_cap_pack(); |
225 | if (op_data != NULL) { | |
226 | rec->cr_fid1 = op_data->op_fid1; | |
227 | rec->cr_fid2 = op_data->op_fid2; | |
228 | } | |
229 | rec->cr_mode = mode; | |
230 | cr_flags = mds_pack_open_flags(flags, mode); | |
231 | rec->cr_rdev = rdev; | |
232 | rec->cr_time = op_data->op_mod_time; | |
233 | rec->cr_suppgid1 = op_data->op_suppgids[0]; | |
234 | rec->cr_suppgid2 = op_data->op_suppgids[1]; | |
235 | rec->cr_bias = op_data->op_bias; | |
236 | rec->cr_umask = current_umask(); | |
d3a8a4e2 | 237 | rec->cr_old_handle = op_data->op_handle; |
d7e09d03 PT |
238 | |
239 | mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1); | |
240 | /* the next buffer is child capa, which is used for replay, | |
241 | * will be packed from the data in reply message. */ | |
242 | ||
243 | if (op_data->op_name) { | |
244 | tmp = req_capsule_client_get(&req->rq_pill, &RMF_NAME); | |
245 | LOGL0(op_data->op_name, op_data->op_namelen, tmp); | |
246 | if (op_data->op_bias & MDS_CREATE_VOLATILE) | |
247 | cr_flags |= MDS_OPEN_VOLATILE; | |
248 | } | |
249 | ||
250 | if (lmm) { | |
251 | cr_flags |= MDS_OPEN_HAS_EA; | |
252 | tmp = req_capsule_client_get(&req->rq_pill, &RMF_EADATA); | |
253 | memcpy(tmp, lmm, lmmlen); | |
254 | } | |
255 | set_mrc_cr_flags(rec, cr_flags); | |
256 | } | |
257 | ||
982ec91f SM |
258 | static inline __u64 attr_pack(unsigned int ia_valid) |
259 | { | |
d7e09d03 PT |
260 | __u64 sa_valid = 0; |
261 | ||
262 | if (ia_valid & ATTR_MODE) | |
263 | sa_valid |= MDS_ATTR_MODE; | |
264 | if (ia_valid & ATTR_UID) | |
265 | sa_valid |= MDS_ATTR_UID; | |
266 | if (ia_valid & ATTR_GID) | |
267 | sa_valid |= MDS_ATTR_GID; | |
268 | if (ia_valid & ATTR_SIZE) | |
269 | sa_valid |= MDS_ATTR_SIZE; | |
270 | if (ia_valid & ATTR_ATIME) | |
271 | sa_valid |= MDS_ATTR_ATIME; | |
272 | if (ia_valid & ATTR_MTIME) | |
273 | sa_valid |= MDS_ATTR_MTIME; | |
274 | if (ia_valid & ATTR_CTIME) | |
275 | sa_valid |= MDS_ATTR_CTIME; | |
276 | if (ia_valid & ATTR_ATIME_SET) | |
277 | sa_valid |= MDS_ATTR_ATIME_SET; | |
278 | if (ia_valid & ATTR_MTIME_SET) | |
279 | sa_valid |= MDS_ATTR_MTIME_SET; | |
280 | if (ia_valid & ATTR_FORCE) | |
281 | sa_valid |= MDS_ATTR_FORCE; | |
282 | if (ia_valid & ATTR_ATTR_FLAG) | |
283 | sa_valid |= MDS_ATTR_ATTR_FLAG; | |
284 | if (ia_valid & ATTR_KILL_SUID) | |
285 | sa_valid |= MDS_ATTR_KILL_SUID; | |
286 | if (ia_valid & ATTR_KILL_SGID) | |
287 | sa_valid |= MDS_ATTR_KILL_SGID; | |
288 | if (ia_valid & ATTR_CTIME_SET) | |
289 | sa_valid |= MDS_ATTR_CTIME_SET; | |
290 | if (ia_valid & ATTR_FROM_OPEN) | |
291 | sa_valid |= MDS_ATTR_FROM_OPEN; | |
292 | if (ia_valid & ATTR_BLOCKS) | |
293 | sa_valid |= MDS_ATTR_BLOCKS; | |
294 | if (ia_valid & MDS_OPEN_OWNEROVERRIDE) | |
295 | /* NFSD hack (see bug 5781) */ | |
296 | sa_valid |= MDS_OPEN_OWNEROVERRIDE; | |
297 | return sa_valid; | |
298 | } | |
299 | ||
300 | static void mdc_setattr_pack_rec(struct mdt_rec_setattr *rec, | |
301 | struct md_op_data *op_data) | |
302 | { | |
303 | rec->sa_opcode = REINT_SETATTR; | |
4b1a25f0 PT |
304 | rec->sa_fsuid = from_kuid(&init_user_ns, current_fsuid()); |
305 | rec->sa_fsgid = from_kgid(&init_user_ns, current_fsgid()); | |
d7e09d03 PT |
306 | rec->sa_cap = cfs_curproc_cap_pack(); |
307 | rec->sa_suppgid = -1; | |
308 | ||
309 | rec->sa_fid = op_data->op_fid1; | |
310 | rec->sa_valid = attr_pack(op_data->op_attr.ia_valid); | |
311 | rec->sa_mode = op_data->op_attr.ia_mode; | |
4b1a25f0 PT |
312 | rec->sa_uid = from_kuid(&init_user_ns, op_data->op_attr.ia_uid); |
313 | rec->sa_gid = from_kgid(&init_user_ns, op_data->op_attr.ia_gid); | |
d7e09d03 PT |
314 | rec->sa_size = op_data->op_attr.ia_size; |
315 | rec->sa_blocks = op_data->op_attr_blocks; | |
316 | rec->sa_atime = LTIME_S(op_data->op_attr.ia_atime); | |
317 | rec->sa_mtime = LTIME_S(op_data->op_attr.ia_mtime); | |
318 | rec->sa_ctime = LTIME_S(op_data->op_attr.ia_ctime); | |
e5e663ae SM |
319 | rec->sa_attr_flags = |
320 | ((struct ll_iattr *)&op_data->op_attr)->ia_attr_flags; | |
d7e09d03 | 321 | if ((op_data->op_attr.ia_valid & ATTR_GID) && |
4b1a25f0 PT |
322 | in_group_p(op_data->op_attr.ia_gid)) |
323 | rec->sa_suppgid = | |
324 | from_kgid(&init_user_ns, op_data->op_attr.ia_gid); | |
d7e09d03 PT |
325 | else |
326 | rec->sa_suppgid = op_data->op_suppgids[0]; | |
327 | ||
328 | rec->sa_bias = op_data->op_bias; | |
329 | } | |
330 | ||
331 | static void mdc_ioepoch_pack(struct mdt_ioepoch *epoch, | |
332 | struct md_op_data *op_data) | |
333 | { | |
334 | memcpy(&epoch->handle, &op_data->op_handle, sizeof(epoch->handle)); | |
335 | epoch->ioepoch = op_data->op_ioepoch; | |
336 | epoch->flags = op_data->op_flags & MF_SOM_LOCAL_FLAGS; | |
337 | } | |
338 | ||
339 | void mdc_setattr_pack(struct ptlrpc_request *req, struct md_op_data *op_data, | |
340 | void *ea, int ealen, void *ea2, int ea2len) | |
341 | { | |
342 | struct mdt_rec_setattr *rec; | |
343 | struct mdt_ioepoch *epoch; | |
344 | struct lov_user_md *lum = NULL; | |
345 | ||
301af906 SM |
346 | CLASSERT(sizeof(struct mdt_rec_reint) == |
347 | sizeof(struct mdt_rec_setattr)); | |
d7e09d03 PT |
348 | rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT); |
349 | mdc_setattr_pack_rec(rec, op_data); | |
350 | ||
351 | mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1); | |
352 | ||
353 | if (op_data->op_flags & (MF_SOM_CHANGE | MF_EPOCH_OPEN)) { | |
354 | epoch = req_capsule_client_get(&req->rq_pill, &RMF_MDT_EPOCH); | |
355 | mdc_ioepoch_pack(epoch, op_data); | |
356 | } | |
357 | ||
358 | if (ealen == 0) | |
359 | return; | |
360 | ||
361 | lum = req_capsule_client_get(&req->rq_pill, &RMF_EADATA); | |
362 | if (ea == NULL) { /* Remove LOV EA */ | |
363 | lum->lmm_magic = LOV_USER_MAGIC_V1; | |
364 | lum->lmm_stripe_size = 0; | |
365 | lum->lmm_stripe_count = 0; | |
366 | lum->lmm_stripe_offset = (typeof(lum->lmm_stripe_offset))(-1); | |
367 | } else { | |
368 | memcpy(lum, ea, ealen); | |
369 | } | |
370 | ||
371 | if (ea2len == 0) | |
372 | return; | |
373 | ||
374 | memcpy(req_capsule_client_get(&req->rq_pill, &RMF_LOGCOOKIES), ea2, | |
375 | ea2len); | |
376 | } | |
377 | ||
378 | void mdc_unlink_pack(struct ptlrpc_request *req, struct md_op_data *op_data) | |
379 | { | |
380 | struct mdt_rec_unlink *rec; | |
381 | char *tmp; | |
382 | ||
383 | CLASSERT(sizeof(struct mdt_rec_reint) == sizeof(struct mdt_rec_unlink)); | |
384 | rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT); | |
385 | LASSERT(rec != NULL); | |
386 | ||
301af906 | 387 | rec->ul_opcode = op_data->op_cli_flags & CLI_RM_ENTRY ? |
d7e09d03 | 388 | REINT_RMENTRY : REINT_UNLINK; |
301af906 SM |
389 | rec->ul_fsuid = op_data->op_fsuid; |
390 | rec->ul_fsgid = op_data->op_fsgid; | |
391 | rec->ul_cap = op_data->op_cap; | |
392 | rec->ul_mode = op_data->op_mode; | |
393 | rec->ul_suppgid1 = op_data->op_suppgids[0]; | |
394 | rec->ul_suppgid2 = -1; | |
395 | rec->ul_fid1 = op_data->op_fid1; | |
396 | rec->ul_fid2 = op_data->op_fid2; | |
397 | rec->ul_time = op_data->op_mod_time; | |
398 | rec->ul_bias = op_data->op_bias; | |
d7e09d03 PT |
399 | |
400 | mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1); | |
401 | ||
402 | tmp = req_capsule_client_get(&req->rq_pill, &RMF_NAME); | |
403 | LASSERT(tmp != NULL); | |
404 | LOGL0(op_data->op_name, op_data->op_namelen, tmp); | |
405 | } | |
406 | ||
407 | void mdc_link_pack(struct ptlrpc_request *req, struct md_op_data *op_data) | |
408 | { | |
409 | struct mdt_rec_link *rec; | |
410 | char *tmp; | |
411 | ||
412 | CLASSERT(sizeof(struct mdt_rec_reint) == sizeof(struct mdt_rec_link)); | |
413 | rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT); | |
ffdac6ce | 414 | LASSERT(rec != NULL); |
d7e09d03 PT |
415 | |
416 | rec->lk_opcode = REINT_LINK; | |
125ffec0 SM |
417 | rec->lk_fsuid = op_data->op_fsuid; /* current->fsuid; */ |
418 | rec->lk_fsgid = op_data->op_fsgid; /* current->fsgid; */ | |
419 | rec->lk_cap = op_data->op_cap; /* current->cap_effective; */ | |
d7e09d03 PT |
420 | rec->lk_suppgid1 = op_data->op_suppgids[0]; |
421 | rec->lk_suppgid2 = op_data->op_suppgids[1]; | |
422 | rec->lk_fid1 = op_data->op_fid1; | |
423 | rec->lk_fid2 = op_data->op_fid2; | |
424 | rec->lk_time = op_data->op_mod_time; | |
425 | rec->lk_bias = op_data->op_bias; | |
426 | ||
427 | mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1); | |
428 | mdc_pack_capa(req, &RMF_CAPA2, op_data->op_capa2); | |
429 | ||
430 | tmp = req_capsule_client_get(&req->rq_pill, &RMF_NAME); | |
431 | LOGL0(op_data->op_name, op_data->op_namelen, tmp); | |
432 | } | |
433 | ||
434 | void mdc_rename_pack(struct ptlrpc_request *req, struct md_op_data *op_data, | |
435 | const char *old, int oldlen, const char *new, int newlen) | |
436 | { | |
437 | struct mdt_rec_rename *rec; | |
438 | char *tmp; | |
439 | ||
440 | CLASSERT(sizeof(struct mdt_rec_reint) == sizeof(struct mdt_rec_rename)); | |
441 | rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT); | |
442 | ||
443 | /* XXX do something about time, uid, gid */ | |
444 | rec->rn_opcode = REINT_RENAME; | |
445 | rec->rn_fsuid = op_data->op_fsuid; | |
446 | rec->rn_fsgid = op_data->op_fsgid; | |
447 | rec->rn_cap = op_data->op_cap; | |
448 | rec->rn_suppgid1 = op_data->op_suppgids[0]; | |
449 | rec->rn_suppgid2 = op_data->op_suppgids[1]; | |
450 | rec->rn_fid1 = op_data->op_fid1; | |
451 | rec->rn_fid2 = op_data->op_fid2; | |
452 | rec->rn_time = op_data->op_mod_time; | |
453 | rec->rn_mode = op_data->op_mode; | |
454 | rec->rn_bias = op_data->op_bias; | |
455 | ||
456 | mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1); | |
457 | mdc_pack_capa(req, &RMF_CAPA2, op_data->op_capa2); | |
458 | ||
459 | tmp = req_capsule_client_get(&req->rq_pill, &RMF_NAME); | |
460 | LOGL0(old, oldlen, tmp); | |
461 | ||
462 | if (new) { | |
463 | tmp = req_capsule_client_get(&req->rq_pill, &RMF_SYMTGT); | |
464 | LOGL0(new, newlen, tmp); | |
465 | } | |
466 | } | |
467 | ||
468 | void mdc_getattr_pack(struct ptlrpc_request *req, __u64 valid, int flags, | |
469 | struct md_op_data *op_data, int ea_size) | |
470 | { | |
471 | struct mdt_body *b = req_capsule_client_get(&req->rq_pill, | |
472 | &RMF_MDT_BODY); | |
473 | ||
474 | b->valid = valid; | |
475 | if (op_data->op_bias & MDS_CHECK_SPLIT) | |
476 | b->valid |= OBD_MD_FLCKSPLIT; | |
477 | if (op_data->op_bias & MDS_CROSS_REF) | |
478 | b->valid |= OBD_MD_FLCROSSREF; | |
479 | b->eadatasize = ea_size; | |
480 | b->flags = flags; | |
481 | __mdc_pack_body(b, op_data->op_suppgids[0]); | |
482 | ||
483 | b->fid1 = op_data->op_fid1; | |
484 | b->fid2 = op_data->op_fid2; | |
485 | b->valid |= OBD_MD_FLID; | |
486 | ||
487 | mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1); | |
488 | ||
489 | if (op_data->op_name) { | |
490 | char *tmp = req_capsule_client_get(&req->rq_pill, &RMF_NAME); | |
7436d070 | 491 | |
d7e09d03 PT |
492 | LOGL0(op_data->op_name, op_data->op_namelen, tmp); |
493 | ||
494 | } | |
495 | } | |
496 | ||
48d23e61 JX |
497 | static void mdc_hsm_release_pack(struct ptlrpc_request *req, |
498 | struct md_op_data *op_data) | |
499 | { | |
500 | if (op_data->op_bias & MDS_HSM_RELEASE) { | |
501 | struct close_data *data; | |
502 | struct ldlm_lock *lock; | |
503 | ||
504 | data = req_capsule_client_get(&req->rq_pill, &RMF_CLOSE_DATA); | |
505 | LASSERT(data != NULL); | |
506 | ||
507 | lock = ldlm_handle2lock(&op_data->op_lease_handle); | |
508 | if (lock != NULL) { | |
509 | data->cd_handle = lock->l_remote_handle; | |
510 | ldlm_lock_put(lock); | |
511 | } | |
512 | ldlm_cli_cancel(&op_data->op_lease_handle, LCF_LOCAL); | |
513 | ||
514 | data->cd_data_version = op_data->op_data_version; | |
515 | data->cd_fid = op_data->op_fid2; | |
516 | } | |
517 | } | |
518 | ||
d7e09d03 PT |
519 | void mdc_close_pack(struct ptlrpc_request *req, struct md_op_data *op_data) |
520 | { | |
521 | struct mdt_ioepoch *epoch; | |
522 | struct mdt_rec_setattr *rec; | |
523 | ||
524 | epoch = req_capsule_client_get(&req->rq_pill, &RMF_MDT_EPOCH); | |
525 | rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT); | |
526 | ||
527 | mdc_setattr_pack_rec(rec, op_data); | |
528 | mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1); | |
529 | mdc_ioepoch_pack(epoch, op_data); | |
48d23e61 | 530 | mdc_hsm_release_pack(req, op_data); |
d7e09d03 PT |
531 | } |
532 | ||
533 | static int mdc_req_avail(struct client_obd *cli, struct mdc_cache_waiter *mcw) | |
534 | { | |
535 | int rc; | |
29aaf496 | 536 | |
d7e09d03 PT |
537 | client_obd_list_lock(&cli->cl_loi_list_lock); |
538 | rc = list_empty(&mcw->mcw_entry); | |
539 | client_obd_list_unlock(&cli->cl_loi_list_lock); | |
0a3bdb00 | 540 | return rc; |
d7e09d03 PT |
541 | }; |
542 | ||
543 | /* We record requests in flight in cli->cl_r_in_flight here. | |
544 | * There is only one write rpc possible in mdc anyway. If this to change | |
545 | * in the future - the code may need to be revisited. */ | |
546 | int mdc_enter_request(struct client_obd *cli) | |
547 | { | |
548 | int rc = 0; | |
549 | struct mdc_cache_waiter mcw; | |
550 | struct l_wait_info lwi = LWI_INTR(LWI_ON_SIGNAL_NOOP, NULL); | |
551 | ||
552 | client_obd_list_lock(&cli->cl_loi_list_lock); | |
553 | if (cli->cl_r_in_flight >= cli->cl_max_rpcs_in_flight) { | |
554 | list_add_tail(&mcw.mcw_entry, &cli->cl_cache_waiters); | |
555 | init_waitqueue_head(&mcw.mcw_waitq); | |
556 | client_obd_list_unlock(&cli->cl_loi_list_lock); | |
e5e663ae SM |
557 | rc = l_wait_event(mcw.mcw_waitq, mdc_req_avail(cli, &mcw), |
558 | &lwi); | |
d7e09d03 PT |
559 | if (rc) { |
560 | client_obd_list_lock(&cli->cl_loi_list_lock); | |
561 | if (list_empty(&mcw.mcw_entry)) | |
562 | cli->cl_r_in_flight--; | |
563 | list_del_init(&mcw.mcw_entry); | |
564 | client_obd_list_unlock(&cli->cl_loi_list_lock); | |
565 | } | |
566 | } else { | |
567 | cli->cl_r_in_flight++; | |
568 | client_obd_list_unlock(&cli->cl_loi_list_lock); | |
569 | } | |
570 | return rc; | |
571 | } | |
572 | ||
573 | void mdc_exit_request(struct client_obd *cli) | |
574 | { | |
575 | struct list_head *l, *tmp; | |
576 | struct mdc_cache_waiter *mcw; | |
577 | ||
578 | client_obd_list_lock(&cli->cl_loi_list_lock); | |
579 | cli->cl_r_in_flight--; | |
580 | list_for_each_safe(l, tmp, &cli->cl_cache_waiters) { | |
581 | if (cli->cl_r_in_flight >= cli->cl_max_rpcs_in_flight) { | |
582 | /* No free request slots anymore */ | |
583 | break; | |
584 | } | |
585 | ||
586 | mcw = list_entry(l, struct mdc_cache_waiter, mcw_entry); | |
587 | list_del_init(&mcw->mcw_entry); | |
588 | cli->cl_r_in_flight++; | |
589 | wake_up(&mcw->mcw_waitq); | |
590 | } | |
591 | /* Empty waiting list? Decrease reqs in-flight number */ | |
592 | ||
593 | client_obd_list_unlock(&cli->cl_loi_list_lock); | |
594 | } |