Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * linux/fs/nfsd/nfs3xdr.c | |
3 | * | |
4 | * XDR support for nfsd/protocol version 3. | |
5 | * | |
6 | * Copyright (C) 1995, 1996, 1997 Olaf Kirch <okir@monad.swb.de> | |
7 | * | |
8 | * 2003-08-09 Jamie Lokier: Use htonl() for nanoseconds, not htons()! | |
9 | */ | |
10 | ||
11 | #include <linux/types.h> | |
12 | #include <linux/time.h> | |
13 | #include <linux/nfs3.h> | |
14 | #include <linux/list.h> | |
15 | #include <linux/spinlock.h> | |
16 | #include <linux/dcache.h> | |
17 | #include <linux/namei.h> | |
18 | #include <linux/mm.h> | |
19 | #include <linux/vfs.h> | |
20 | #include <linux/sunrpc/xdr.h> | |
21 | #include <linux/sunrpc/svc.h> | |
22 | #include <linux/nfsd/nfsd.h> | |
23 | #include <linux/nfsd/xdr3.h> | |
24 | ||
25 | #define NFSDDBG_FACILITY NFSDDBG_XDR | |
26 | ||
27 | #ifdef NFSD_OPTIMIZE_SPACE | |
28 | # define inline | |
29 | #endif | |
30 | ||
31 | ||
32 | /* | |
33 | * Mapping of S_IF* types to NFS file types | |
34 | */ | |
35 | static u32 nfs3_ftypes[] = { | |
36 | NF3NON, NF3FIFO, NF3CHR, NF3BAD, | |
37 | NF3DIR, NF3BAD, NF3BLK, NF3BAD, | |
38 | NF3REG, NF3BAD, NF3LNK, NF3BAD, | |
39 | NF3SOCK, NF3BAD, NF3LNK, NF3BAD, | |
40 | }; | |
41 | ||
42 | /* | |
43 | * XDR functions for basic NFS types | |
44 | */ | |
45 | static inline u32 * | |
46 | encode_time3(u32 *p, struct timespec *time) | |
47 | { | |
48 | *p++ = htonl((u32) time->tv_sec); *p++ = htonl(time->tv_nsec); | |
49 | return p; | |
50 | } | |
51 | ||
52 | static inline u32 * | |
53 | decode_time3(u32 *p, struct timespec *time) | |
54 | { | |
55 | time->tv_sec = ntohl(*p++); | |
56 | time->tv_nsec = ntohl(*p++); | |
57 | return p; | |
58 | } | |
59 | ||
60 | static inline u32 * | |
61 | decode_fh(u32 *p, struct svc_fh *fhp) | |
62 | { | |
63 | unsigned int size; | |
64 | fh_init(fhp, NFS3_FHSIZE); | |
65 | size = ntohl(*p++); | |
66 | if (size > NFS3_FHSIZE) | |
67 | return NULL; | |
68 | ||
69 | memcpy(&fhp->fh_handle.fh_base, p, size); | |
70 | fhp->fh_handle.fh_size = size; | |
71 | return p + XDR_QUADLEN(size); | |
72 | } | |
73 | ||
a257cdd0 AG |
74 | /* Helper function for NFSv3 ACL code */ |
75 | u32 *nfs3svc_decode_fh(u32 *p, struct svc_fh *fhp) | |
76 | { | |
77 | return decode_fh(p, fhp); | |
78 | } | |
79 | ||
1da177e4 LT |
80 | static inline u32 * |
81 | encode_fh(u32 *p, struct svc_fh *fhp) | |
82 | { | |
83 | unsigned int size = fhp->fh_handle.fh_size; | |
84 | *p++ = htonl(size); | |
85 | if (size) p[XDR_QUADLEN(size)-1]=0; | |
86 | memcpy(p, &fhp->fh_handle.fh_base, size); | |
87 | return p + XDR_QUADLEN(size); | |
88 | } | |
89 | ||
90 | /* | |
91 | * Decode a file name and make sure that the path contains | |
92 | * no slashes or null bytes. | |
93 | */ | |
94 | static inline u32 * | |
95 | decode_filename(u32 *p, char **namp, int *lenp) | |
96 | { | |
97 | char *name; | |
98 | int i; | |
99 | ||
100 | if ((p = xdr_decode_string_inplace(p, namp, lenp, NFS3_MAXNAMLEN)) != NULL) { | |
101 | for (i = 0, name = *namp; i < *lenp; i++, name++) { | |
102 | if (*name == '\0' || *name == '/') | |
103 | return NULL; | |
104 | } | |
105 | } | |
106 | ||
107 | return p; | |
108 | } | |
109 | ||
110 | static inline u32 * | |
111 | decode_sattr3(u32 *p, struct iattr *iap) | |
112 | { | |
113 | u32 tmp; | |
114 | ||
115 | iap->ia_valid = 0; | |
116 | ||
117 | if (*p++) { | |
118 | iap->ia_valid |= ATTR_MODE; | |
119 | iap->ia_mode = ntohl(*p++); | |
120 | } | |
121 | if (*p++) { | |
122 | iap->ia_valid |= ATTR_UID; | |
123 | iap->ia_uid = ntohl(*p++); | |
124 | } | |
125 | if (*p++) { | |
126 | iap->ia_valid |= ATTR_GID; | |
127 | iap->ia_gid = ntohl(*p++); | |
128 | } | |
129 | if (*p++) { | |
130 | u64 newsize; | |
131 | ||
132 | iap->ia_valid |= ATTR_SIZE; | |
133 | p = xdr_decode_hyper(p, &newsize); | |
134 | if (newsize <= NFS_OFFSET_MAX) | |
135 | iap->ia_size = newsize; | |
136 | else | |
137 | iap->ia_size = NFS_OFFSET_MAX; | |
138 | } | |
139 | if ((tmp = ntohl(*p++)) == 1) { /* set to server time */ | |
140 | iap->ia_valid |= ATTR_ATIME; | |
141 | } else if (tmp == 2) { /* set to client time */ | |
142 | iap->ia_valid |= ATTR_ATIME | ATTR_ATIME_SET; | |
143 | iap->ia_atime.tv_sec = ntohl(*p++); | |
144 | iap->ia_atime.tv_nsec = ntohl(*p++); | |
145 | } | |
146 | if ((tmp = ntohl(*p++)) == 1) { /* set to server time */ | |
147 | iap->ia_valid |= ATTR_MTIME; | |
148 | } else if (tmp == 2) { /* set to client time */ | |
149 | iap->ia_valid |= ATTR_MTIME | ATTR_MTIME_SET; | |
150 | iap->ia_mtime.tv_sec = ntohl(*p++); | |
151 | iap->ia_mtime.tv_nsec = ntohl(*p++); | |
152 | } | |
153 | return p; | |
154 | } | |
155 | ||
156 | static inline u32 * | |
a334de28 DS |
157 | encode_fattr3(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp, |
158 | struct kstat *stat) | |
1da177e4 | 159 | { |
1da177e4 | 160 | struct dentry *dentry = fhp->fh_dentry; |
1da177e4 LT |
161 | struct timespec time; |
162 | ||
a334de28 DS |
163 | *p++ = htonl(nfs3_ftypes[(stat->mode & S_IFMT) >> 12]); |
164 | *p++ = htonl((u32) stat->mode); | |
165 | *p++ = htonl((u32) stat->nlink); | |
166 | *p++ = htonl((u32) nfsd_ruid(rqstp, stat->uid)); | |
167 | *p++ = htonl((u32) nfsd_rgid(rqstp, stat->gid)); | |
168 | if (S_ISLNK(stat->mode) && stat->size > NFS3_MAXPATHLEN) { | |
1da177e4 LT |
169 | p = xdr_encode_hyper(p, (u64) NFS3_MAXPATHLEN); |
170 | } else { | |
a334de28 | 171 | p = xdr_encode_hyper(p, (u64) stat->size); |
1da177e4 | 172 | } |
a334de28 DS |
173 | p = xdr_encode_hyper(p, ((u64)stat->blocks) << 9); |
174 | *p++ = htonl((u32) MAJOR(stat->rdev)); | |
175 | *p++ = htonl((u32) MINOR(stat->rdev)); | |
1da177e4 LT |
176 | if (is_fsid(fhp, rqstp->rq_reffh)) |
177 | p = xdr_encode_hyper(p, (u64) fhp->fh_export->ex_fsid); | |
178 | else | |
a334de28 DS |
179 | p = xdr_encode_hyper(p, (u64) huge_encode_dev(stat->dev)); |
180 | p = xdr_encode_hyper(p, (u64) stat->ino); | |
181 | p = encode_time3(p, &stat->atime); | |
1da177e4 LT |
182 | lease_get_mtime(dentry->d_inode, &time); |
183 | p = encode_time3(p, &time); | |
a334de28 | 184 | p = encode_time3(p, &stat->ctime); |
1da177e4 LT |
185 | |
186 | return p; | |
187 | } | |
188 | ||
189 | static inline u32 * | |
190 | encode_saved_post_attr(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp) | |
191 | { | |
192 | struct inode *inode = fhp->fh_dentry->d_inode; | |
193 | ||
194 | /* Attributes to follow */ | |
195 | *p++ = xdr_one; | |
196 | ||
197 | *p++ = htonl(nfs3_ftypes[(fhp->fh_post_mode & S_IFMT) >> 12]); | |
198 | *p++ = htonl((u32) fhp->fh_post_mode); | |
199 | *p++ = htonl((u32) fhp->fh_post_nlink); | |
200 | *p++ = htonl((u32) nfsd_ruid(rqstp, fhp->fh_post_uid)); | |
201 | *p++ = htonl((u32) nfsd_rgid(rqstp, fhp->fh_post_gid)); | |
202 | if (S_ISLNK(fhp->fh_post_mode) && fhp->fh_post_size > NFS3_MAXPATHLEN) { | |
203 | p = xdr_encode_hyper(p, (u64) NFS3_MAXPATHLEN); | |
204 | } else { | |
205 | p = xdr_encode_hyper(p, (u64) fhp->fh_post_size); | |
206 | } | |
207 | p = xdr_encode_hyper(p, ((u64)fhp->fh_post_blocks) << 9); | |
208 | *p++ = fhp->fh_post_rdev[0]; | |
209 | *p++ = fhp->fh_post_rdev[1]; | |
210 | if (is_fsid(fhp, rqstp->rq_reffh)) | |
211 | p = xdr_encode_hyper(p, (u64) fhp->fh_export->ex_fsid); | |
212 | else | |
213 | p = xdr_encode_hyper(p, (u64)huge_encode_dev(inode->i_sb->s_dev)); | |
214 | p = xdr_encode_hyper(p, (u64) inode->i_ino); | |
215 | p = encode_time3(p, &fhp->fh_post_atime); | |
216 | p = encode_time3(p, &fhp->fh_post_mtime); | |
217 | p = encode_time3(p, &fhp->fh_post_ctime); | |
218 | ||
219 | return p; | |
220 | } | |
221 | ||
222 | /* | |
223 | * Encode post-operation attributes. | |
224 | * The inode may be NULL if the call failed because of a stale file | |
225 | * handle. In this case, no attributes are returned. | |
226 | */ | |
227 | static u32 * | |
228 | encode_post_op_attr(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp) | |
229 | { | |
230 | struct dentry *dentry = fhp->fh_dentry; | |
231 | if (dentry && dentry->d_inode != NULL) { | |
a334de28 DS |
232 | int err; |
233 | struct kstat stat; | |
234 | ||
235 | err = vfs_getattr(fhp->fh_export->ex_mnt, dentry, &stat); | |
236 | if (!err) { | |
237 | *p++ = xdr_one; /* attributes follow */ | |
238 | return encode_fattr3(rqstp, p, fhp, &stat); | |
239 | } | |
1da177e4 LT |
240 | } |
241 | *p++ = xdr_zero; | |
242 | return p; | |
243 | } | |
244 | ||
a257cdd0 AG |
245 | /* Helper for NFSv3 ACLs */ |
246 | u32 * | |
247 | nfs3svc_encode_post_op_attr(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp) | |
248 | { | |
249 | return encode_post_op_attr(rqstp, p, fhp); | |
250 | } | |
251 | ||
1da177e4 LT |
252 | /* |
253 | * Enocde weak cache consistency data | |
254 | */ | |
255 | static u32 * | |
256 | encode_wcc_data(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp) | |
257 | { | |
258 | struct dentry *dentry = fhp->fh_dentry; | |
259 | ||
260 | if (dentry && dentry->d_inode && fhp->fh_post_saved) { | |
261 | if (fhp->fh_pre_saved) { | |
262 | *p++ = xdr_one; | |
263 | p = xdr_encode_hyper(p, (u64) fhp->fh_pre_size); | |
264 | p = encode_time3(p, &fhp->fh_pre_mtime); | |
265 | p = encode_time3(p, &fhp->fh_pre_ctime); | |
266 | } else { | |
267 | *p++ = xdr_zero; | |
268 | } | |
269 | return encode_saved_post_attr(rqstp, p, fhp); | |
270 | } | |
271 | /* no pre- or post-attrs */ | |
272 | *p++ = xdr_zero; | |
273 | return encode_post_op_attr(rqstp, p, fhp); | |
274 | } | |
275 | ||
276 | ||
277 | /* | |
278 | * XDR decode functions | |
279 | */ | |
280 | int | |
281 | nfs3svc_decode_fhandle(struct svc_rqst *rqstp, u32 *p, struct nfsd_fhandle *args) | |
282 | { | |
283 | if (!(p = decode_fh(p, &args->fh))) | |
284 | return 0; | |
285 | return xdr_argsize_check(rqstp, p); | |
286 | } | |
287 | ||
288 | int | |
289 | nfs3svc_decode_sattrargs(struct svc_rqst *rqstp, u32 *p, | |
290 | struct nfsd3_sattrargs *args) | |
291 | { | |
292 | if (!(p = decode_fh(p, &args->fh)) | |
293 | || !(p = decode_sattr3(p, &args->attrs))) | |
294 | return 0; | |
295 | ||
296 | if ((args->check_guard = ntohl(*p++)) != 0) { | |
297 | struct timespec time; | |
298 | p = decode_time3(p, &time); | |
299 | args->guardtime = time.tv_sec; | |
300 | } | |
301 | ||
302 | return xdr_argsize_check(rqstp, p); | |
303 | } | |
304 | ||
305 | int | |
306 | nfs3svc_decode_diropargs(struct svc_rqst *rqstp, u32 *p, | |
307 | struct nfsd3_diropargs *args) | |
308 | { | |
309 | if (!(p = decode_fh(p, &args->fh)) | |
310 | || !(p = decode_filename(p, &args->name, &args->len))) | |
311 | return 0; | |
312 | ||
313 | return xdr_argsize_check(rqstp, p); | |
314 | } | |
315 | ||
316 | int | |
317 | nfs3svc_decode_accessargs(struct svc_rqst *rqstp, u32 *p, | |
318 | struct nfsd3_accessargs *args) | |
319 | { | |
320 | if (!(p = decode_fh(p, &args->fh))) | |
321 | return 0; | |
322 | args->access = ntohl(*p++); | |
323 | ||
324 | return xdr_argsize_check(rqstp, p); | |
325 | } | |
326 | ||
327 | int | |
328 | nfs3svc_decode_readargs(struct svc_rqst *rqstp, u32 *p, | |
329 | struct nfsd3_readargs *args) | |
330 | { | |
331 | unsigned int len; | |
332 | int v,pn; | |
333 | ||
334 | if (!(p = decode_fh(p, &args->fh)) | |
335 | || !(p = xdr_decode_hyper(p, &args->offset))) | |
336 | return 0; | |
337 | ||
338 | len = args->count = ntohl(*p++); | |
339 | ||
340 | if (len > NFSSVC_MAXBLKSIZE) | |
341 | len = NFSSVC_MAXBLKSIZE; | |
342 | ||
343 | /* set up the kvec */ | |
344 | v=0; | |
345 | while (len > 0) { | |
44524359 | 346 | pn = rqstp->rq_resused++; |
1da177e4 LT |
347 | args->vec[v].iov_base = page_address(rqstp->rq_respages[pn]); |
348 | args->vec[v].iov_len = len < PAGE_SIZE? len : PAGE_SIZE; | |
349 | len -= args->vec[v].iov_len; | |
350 | v++; | |
351 | } | |
352 | args->vlen = v; | |
353 | return xdr_argsize_check(rqstp, p); | |
354 | } | |
355 | ||
356 | int | |
357 | nfs3svc_decode_writeargs(struct svc_rqst *rqstp, u32 *p, | |
358 | struct nfsd3_writeargs *args) | |
359 | { | |
360 | unsigned int len, v, hdr; | |
361 | ||
362 | if (!(p = decode_fh(p, &args->fh)) | |
363 | || !(p = xdr_decode_hyper(p, &args->offset))) | |
364 | return 0; | |
365 | ||
366 | args->count = ntohl(*p++); | |
367 | args->stable = ntohl(*p++); | |
368 | len = args->len = ntohl(*p++); | |
369 | ||
370 | hdr = (void*)p - rqstp->rq_arg.head[0].iov_base; | |
0ba7536d N |
371 | if (rqstp->rq_arg.len < hdr || |
372 | rqstp->rq_arg.len - hdr < len) | |
1da177e4 LT |
373 | return 0; |
374 | ||
375 | args->vec[0].iov_base = (void*)p; | |
376 | args->vec[0].iov_len = rqstp->rq_arg.head[0].iov_len - hdr; | |
377 | ||
378 | if (len > NFSSVC_MAXBLKSIZE) | |
379 | len = NFSSVC_MAXBLKSIZE; | |
380 | v= 0; | |
381 | while (len > args->vec[v].iov_len) { | |
382 | len -= args->vec[v].iov_len; | |
383 | v++; | |
44524359 | 384 | args->vec[v].iov_base = page_address(rqstp->rq_pages[v]); |
1da177e4 LT |
385 | args->vec[v].iov_len = PAGE_SIZE; |
386 | } | |
387 | args->vec[v].iov_len = len; | |
388 | args->vlen = v+1; | |
389 | ||
390 | return args->count == args->len && args->vec[0].iov_len > 0; | |
391 | } | |
392 | ||
393 | int | |
394 | nfs3svc_decode_createargs(struct svc_rqst *rqstp, u32 *p, | |
395 | struct nfsd3_createargs *args) | |
396 | { | |
397 | if (!(p = decode_fh(p, &args->fh)) | |
398 | || !(p = decode_filename(p, &args->name, &args->len))) | |
399 | return 0; | |
400 | ||
401 | switch (args->createmode = ntohl(*p++)) { | |
402 | case NFS3_CREATE_UNCHECKED: | |
403 | case NFS3_CREATE_GUARDED: | |
404 | if (!(p = decode_sattr3(p, &args->attrs))) | |
405 | return 0; | |
406 | break; | |
407 | case NFS3_CREATE_EXCLUSIVE: | |
408 | args->verf = p; | |
409 | p += 2; | |
410 | break; | |
411 | default: | |
412 | return 0; | |
413 | } | |
414 | ||
415 | return xdr_argsize_check(rqstp, p); | |
416 | } | |
417 | int | |
418 | nfs3svc_decode_mkdirargs(struct svc_rqst *rqstp, u32 *p, | |
419 | struct nfsd3_createargs *args) | |
420 | { | |
421 | if (!(p = decode_fh(p, &args->fh)) | |
422 | || !(p = decode_filename(p, &args->name, &args->len)) | |
423 | || !(p = decode_sattr3(p, &args->attrs))) | |
424 | return 0; | |
425 | ||
426 | return xdr_argsize_check(rqstp, p); | |
427 | } | |
428 | ||
429 | int | |
430 | nfs3svc_decode_symlinkargs(struct svc_rqst *rqstp, u32 *p, | |
431 | struct nfsd3_symlinkargs *args) | |
432 | { | |
433 | unsigned int len; | |
434 | int avail; | |
435 | char *old, *new; | |
436 | struct kvec *vec; | |
437 | ||
438 | if (!(p = decode_fh(p, &args->ffh)) | |
439 | || !(p = decode_filename(p, &args->fname, &args->flen)) | |
440 | || !(p = decode_sattr3(p, &args->attrs)) | |
441 | ) | |
442 | return 0; | |
443 | /* now decode the pathname, which might be larger than the first page. | |
444 | * As we have to check for nul's anyway, we copy it into a new page | |
445 | * This page appears in the rq_res.pages list, but as pages_len is always | |
446 | * 0, it won't get in the way | |
447 | */ | |
1da177e4 LT |
448 | len = ntohl(*p++); |
449 | if (len == 0 || len > NFS3_MAXPATHLEN || len >= PAGE_SIZE) | |
450 | return 0; | |
44524359 N |
451 | args->tname = new = |
452 | page_address(rqstp->rq_respages[rqstp->rq_resused++]); | |
1da177e4 LT |
453 | args->tlen = len; |
454 | /* first copy and check from the first page */ | |
455 | old = (char*)p; | |
456 | vec = &rqstp->rq_arg.head[0]; | |
457 | avail = vec->iov_len - (old - (char*)vec->iov_base); | |
458 | while (len && avail && *old) { | |
459 | *new++ = *old++; | |
460 | len--; | |
461 | avail--; | |
462 | } | |
463 | /* now copy next page if there is one */ | |
464 | if (len && !avail && rqstp->rq_arg.page_len) { | |
465 | avail = rqstp->rq_arg.page_len; | |
466 | if (avail > PAGE_SIZE) avail = PAGE_SIZE; | |
467 | old = page_address(rqstp->rq_arg.pages[0]); | |
468 | } | |
469 | while (len && avail && *old) { | |
470 | *new++ = *old++; | |
471 | len--; | |
472 | avail--; | |
473 | } | |
474 | *new = '\0'; | |
475 | if (len) | |
476 | return 0; | |
477 | ||
478 | return 1; | |
479 | } | |
480 | ||
481 | int | |
482 | nfs3svc_decode_mknodargs(struct svc_rqst *rqstp, u32 *p, | |
483 | struct nfsd3_mknodargs *args) | |
484 | { | |
485 | if (!(p = decode_fh(p, &args->fh)) | |
486 | || !(p = decode_filename(p, &args->name, &args->len))) | |
487 | return 0; | |
488 | ||
489 | args->ftype = ntohl(*p++); | |
490 | ||
491 | if (args->ftype == NF3BLK || args->ftype == NF3CHR | |
492 | || args->ftype == NF3SOCK || args->ftype == NF3FIFO) { | |
493 | if (!(p = decode_sattr3(p, &args->attrs))) | |
494 | return 0; | |
495 | } | |
496 | ||
497 | if (args->ftype == NF3BLK || args->ftype == NF3CHR) { | |
498 | args->major = ntohl(*p++); | |
499 | args->minor = ntohl(*p++); | |
500 | } | |
501 | ||
502 | return xdr_argsize_check(rqstp, p); | |
503 | } | |
504 | ||
505 | int | |
506 | nfs3svc_decode_renameargs(struct svc_rqst *rqstp, u32 *p, | |
507 | struct nfsd3_renameargs *args) | |
508 | { | |
509 | if (!(p = decode_fh(p, &args->ffh)) | |
510 | || !(p = decode_filename(p, &args->fname, &args->flen)) | |
511 | || !(p = decode_fh(p, &args->tfh)) | |
512 | || !(p = decode_filename(p, &args->tname, &args->tlen))) | |
513 | return 0; | |
514 | ||
515 | return xdr_argsize_check(rqstp, p); | |
516 | } | |
517 | ||
518 | int | |
519 | nfs3svc_decode_readlinkargs(struct svc_rqst *rqstp, u32 *p, | |
520 | struct nfsd3_readlinkargs *args) | |
521 | { | |
522 | if (!(p = decode_fh(p, &args->fh))) | |
523 | return 0; | |
44524359 N |
524 | args->buffer = |
525 | page_address(rqstp->rq_respages[rqstp->rq_resused++]); | |
1da177e4 LT |
526 | |
527 | return xdr_argsize_check(rqstp, p); | |
528 | } | |
529 | ||
530 | int | |
531 | nfs3svc_decode_linkargs(struct svc_rqst *rqstp, u32 *p, | |
532 | struct nfsd3_linkargs *args) | |
533 | { | |
534 | if (!(p = decode_fh(p, &args->ffh)) | |
535 | || !(p = decode_fh(p, &args->tfh)) | |
536 | || !(p = decode_filename(p, &args->tname, &args->tlen))) | |
537 | return 0; | |
538 | ||
539 | return xdr_argsize_check(rqstp, p); | |
540 | } | |
541 | ||
542 | int | |
543 | nfs3svc_decode_readdirargs(struct svc_rqst *rqstp, u32 *p, | |
544 | struct nfsd3_readdirargs *args) | |
545 | { | |
546 | if (!(p = decode_fh(p, &args->fh))) | |
547 | return 0; | |
548 | p = xdr_decode_hyper(p, &args->cookie); | |
549 | args->verf = p; p += 2; | |
550 | args->dircount = ~0; | |
551 | args->count = ntohl(*p++); | |
552 | ||
553 | if (args->count > PAGE_SIZE) | |
554 | args->count = PAGE_SIZE; | |
555 | ||
44524359 N |
556 | args->buffer = |
557 | page_address(rqstp->rq_respages[rqstp->rq_resused++]); | |
1da177e4 LT |
558 | |
559 | return xdr_argsize_check(rqstp, p); | |
560 | } | |
561 | ||
562 | int | |
563 | nfs3svc_decode_readdirplusargs(struct svc_rqst *rqstp, u32 *p, | |
564 | struct nfsd3_readdirargs *args) | |
565 | { | |
566 | int len, pn; | |
567 | ||
568 | if (!(p = decode_fh(p, &args->fh))) | |
569 | return 0; | |
570 | p = xdr_decode_hyper(p, &args->cookie); | |
571 | args->verf = p; p += 2; | |
572 | args->dircount = ntohl(*p++); | |
573 | args->count = ntohl(*p++); | |
574 | ||
575 | len = (args->count > NFSSVC_MAXBLKSIZE) ? NFSSVC_MAXBLKSIZE : | |
576 | args->count; | |
577 | args->count = len; | |
578 | ||
579 | while (len > 0) { | |
44524359 | 580 | pn = rqstp->rq_resused++; |
1da177e4 LT |
581 | if (!args->buffer) |
582 | args->buffer = page_address(rqstp->rq_respages[pn]); | |
583 | len -= PAGE_SIZE; | |
584 | } | |
585 | ||
586 | return xdr_argsize_check(rqstp, p); | |
587 | } | |
588 | ||
589 | int | |
590 | nfs3svc_decode_commitargs(struct svc_rqst *rqstp, u32 *p, | |
591 | struct nfsd3_commitargs *args) | |
592 | { | |
593 | if (!(p = decode_fh(p, &args->fh))) | |
594 | return 0; | |
595 | p = xdr_decode_hyper(p, &args->offset); | |
596 | args->count = ntohl(*p++); | |
597 | ||
598 | return xdr_argsize_check(rqstp, p); | |
599 | } | |
600 | ||
601 | /* | |
602 | * XDR encode functions | |
603 | */ | |
604 | /* | |
605 | * There must be an encoding function for void results so svc_process | |
606 | * will work properly. | |
607 | */ | |
608 | int | |
609 | nfs3svc_encode_voidres(struct svc_rqst *rqstp, u32 *p, void *dummy) | |
610 | { | |
611 | return xdr_ressize_check(rqstp, p); | |
612 | } | |
613 | ||
614 | /* GETATTR */ | |
615 | int | |
616 | nfs3svc_encode_attrstat(struct svc_rqst *rqstp, u32 *p, | |
617 | struct nfsd3_attrstat *resp) | |
618 | { | |
619 | if (resp->status == 0) | |
a334de28 | 620 | p = encode_fattr3(rqstp, p, &resp->fh, &resp->stat); |
1da177e4 LT |
621 | return xdr_ressize_check(rqstp, p); |
622 | } | |
623 | ||
624 | /* SETATTR, REMOVE, RMDIR */ | |
625 | int | |
626 | nfs3svc_encode_wccstat(struct svc_rqst *rqstp, u32 *p, | |
627 | struct nfsd3_attrstat *resp) | |
628 | { | |
629 | p = encode_wcc_data(rqstp, p, &resp->fh); | |
630 | return xdr_ressize_check(rqstp, p); | |
631 | } | |
632 | ||
633 | /* LOOKUP */ | |
634 | int | |
635 | nfs3svc_encode_diropres(struct svc_rqst *rqstp, u32 *p, | |
636 | struct nfsd3_diropres *resp) | |
637 | { | |
638 | if (resp->status == 0) { | |
639 | p = encode_fh(p, &resp->fh); | |
640 | p = encode_post_op_attr(rqstp, p, &resp->fh); | |
641 | } | |
642 | p = encode_post_op_attr(rqstp, p, &resp->dirfh); | |
643 | return xdr_ressize_check(rqstp, p); | |
644 | } | |
645 | ||
646 | /* ACCESS */ | |
647 | int | |
648 | nfs3svc_encode_accessres(struct svc_rqst *rqstp, u32 *p, | |
649 | struct nfsd3_accessres *resp) | |
650 | { | |
651 | p = encode_post_op_attr(rqstp, p, &resp->fh); | |
652 | if (resp->status == 0) | |
653 | *p++ = htonl(resp->access); | |
654 | return xdr_ressize_check(rqstp, p); | |
655 | } | |
656 | ||
657 | /* READLINK */ | |
658 | int | |
659 | nfs3svc_encode_readlinkres(struct svc_rqst *rqstp, u32 *p, | |
660 | struct nfsd3_readlinkres *resp) | |
661 | { | |
662 | p = encode_post_op_attr(rqstp, p, &resp->fh); | |
663 | if (resp->status == 0) { | |
664 | *p++ = htonl(resp->len); | |
665 | xdr_ressize_check(rqstp, p); | |
666 | rqstp->rq_res.page_len = resp->len; | |
667 | if (resp->len & 3) { | |
668 | /* need to pad the tail */ | |
1da177e4 LT |
669 | rqstp->rq_res.tail[0].iov_base = p; |
670 | *p = 0; | |
671 | rqstp->rq_res.tail[0].iov_len = 4 - (resp->len&3); | |
672 | } | |
673 | return 1; | |
674 | } else | |
675 | return xdr_ressize_check(rqstp, p); | |
676 | } | |
677 | ||
678 | /* READ */ | |
679 | int | |
680 | nfs3svc_encode_readres(struct svc_rqst *rqstp, u32 *p, | |
681 | struct nfsd3_readres *resp) | |
682 | { | |
683 | p = encode_post_op_attr(rqstp, p, &resp->fh); | |
684 | if (resp->status == 0) { | |
685 | *p++ = htonl(resp->count); | |
686 | *p++ = htonl(resp->eof); | |
687 | *p++ = htonl(resp->count); /* xdr opaque count */ | |
688 | xdr_ressize_check(rqstp, p); | |
689 | /* now update rqstp->rq_res to reflect data aswell */ | |
690 | rqstp->rq_res.page_len = resp->count; | |
691 | if (resp->count & 3) { | |
692 | /* need to pad the tail */ | |
1da177e4 LT |
693 | rqstp->rq_res.tail[0].iov_base = p; |
694 | *p = 0; | |
695 | rqstp->rq_res.tail[0].iov_len = 4 - (resp->count & 3); | |
696 | } | |
697 | return 1; | |
698 | } else | |
699 | return xdr_ressize_check(rqstp, p); | |
700 | } | |
701 | ||
702 | /* WRITE */ | |
703 | int | |
704 | nfs3svc_encode_writeres(struct svc_rqst *rqstp, u32 *p, | |
705 | struct nfsd3_writeres *resp) | |
706 | { | |
707 | p = encode_wcc_data(rqstp, p, &resp->fh); | |
708 | if (resp->status == 0) { | |
709 | *p++ = htonl(resp->count); | |
710 | *p++ = htonl(resp->committed); | |
711 | *p++ = htonl(nfssvc_boot.tv_sec); | |
712 | *p++ = htonl(nfssvc_boot.tv_usec); | |
713 | } | |
714 | return xdr_ressize_check(rqstp, p); | |
715 | } | |
716 | ||
717 | /* CREATE, MKDIR, SYMLINK, MKNOD */ | |
718 | int | |
719 | nfs3svc_encode_createres(struct svc_rqst *rqstp, u32 *p, | |
720 | struct nfsd3_diropres *resp) | |
721 | { | |
722 | if (resp->status == 0) { | |
723 | *p++ = xdr_one; | |
724 | p = encode_fh(p, &resp->fh); | |
725 | p = encode_post_op_attr(rqstp, p, &resp->fh); | |
726 | } | |
727 | p = encode_wcc_data(rqstp, p, &resp->dirfh); | |
728 | return xdr_ressize_check(rqstp, p); | |
729 | } | |
730 | ||
731 | /* RENAME */ | |
732 | int | |
733 | nfs3svc_encode_renameres(struct svc_rqst *rqstp, u32 *p, | |
734 | struct nfsd3_renameres *resp) | |
735 | { | |
736 | p = encode_wcc_data(rqstp, p, &resp->ffh); | |
737 | p = encode_wcc_data(rqstp, p, &resp->tfh); | |
738 | return xdr_ressize_check(rqstp, p); | |
739 | } | |
740 | ||
741 | /* LINK */ | |
742 | int | |
743 | nfs3svc_encode_linkres(struct svc_rqst *rqstp, u32 *p, | |
744 | struct nfsd3_linkres *resp) | |
745 | { | |
746 | p = encode_post_op_attr(rqstp, p, &resp->fh); | |
747 | p = encode_wcc_data(rqstp, p, &resp->tfh); | |
748 | return xdr_ressize_check(rqstp, p); | |
749 | } | |
750 | ||
751 | /* READDIR */ | |
752 | int | |
753 | nfs3svc_encode_readdirres(struct svc_rqst *rqstp, u32 *p, | |
754 | struct nfsd3_readdirres *resp) | |
755 | { | |
756 | p = encode_post_op_attr(rqstp, p, &resp->fh); | |
757 | ||
758 | if (resp->status == 0) { | |
759 | /* stupid readdir cookie */ | |
760 | memcpy(p, resp->verf, 8); p += 2; | |
761 | xdr_ressize_check(rqstp, p); | |
762 | if (rqstp->rq_res.head[0].iov_len + (2<<2) > PAGE_SIZE) | |
763 | return 1; /*No room for trailer */ | |
764 | rqstp->rq_res.page_len = (resp->count) << 2; | |
765 | ||
766 | /* add the 'tail' to the end of the 'head' page - page 0. */ | |
1da177e4 LT |
767 | rqstp->rq_res.tail[0].iov_base = p; |
768 | *p++ = 0; /* no more entries */ | |
769 | *p++ = htonl(resp->common.err == nfserr_eof); | |
770 | rqstp->rq_res.tail[0].iov_len = 2<<2; | |
771 | return 1; | |
772 | } else | |
773 | return xdr_ressize_check(rqstp, p); | |
774 | } | |
775 | ||
776 | static inline u32 * | |
777 | encode_entry_baggage(struct nfsd3_readdirres *cd, u32 *p, const char *name, | |
778 | int namlen, ino_t ino) | |
779 | { | |
780 | *p++ = xdr_one; /* mark entry present */ | |
781 | p = xdr_encode_hyper(p, ino); /* file id */ | |
782 | p = xdr_encode_array(p, name, namlen);/* name length & name */ | |
783 | ||
784 | cd->offset = p; /* remember pointer */ | |
785 | p = xdr_encode_hyper(p, NFS_OFFSET_MAX);/* offset of next entry */ | |
786 | ||
787 | return p; | |
788 | } | |
789 | ||
790 | static inline u32 * | |
791 | encode_entryplus_baggage(struct nfsd3_readdirres *cd, u32 *p, | |
792 | struct svc_fh *fhp) | |
793 | { | |
794 | p = encode_post_op_attr(cd->rqstp, p, fhp); | |
795 | *p++ = xdr_one; /* yes, a file handle follows */ | |
796 | p = encode_fh(p, fhp); | |
797 | fh_put(fhp); | |
798 | return p; | |
799 | } | |
800 | ||
801 | static int | |
802 | compose_entry_fh(struct nfsd3_readdirres *cd, struct svc_fh *fhp, | |
803 | const char *name, int namlen) | |
804 | { | |
805 | struct svc_export *exp; | |
806 | struct dentry *dparent, *dchild; | |
807 | int rv = 0; | |
808 | ||
809 | dparent = cd->fh.fh_dentry; | |
810 | exp = cd->fh.fh_export; | |
811 | ||
812 | fh_init(fhp, NFS3_FHSIZE); | |
813 | if (isdotent(name, namlen)) { | |
814 | if (namlen == 2) { | |
815 | dchild = dget_parent(dparent); | |
816 | if (dchild == dparent) { | |
817 | /* filesystem root - cannot return filehandle for ".." */ | |
818 | dput(dchild); | |
819 | return 1; | |
820 | } | |
821 | } else | |
822 | dchild = dget(dparent); | |
823 | } else | |
824 | dchild = lookup_one_len(name, dparent, namlen); | |
825 | if (IS_ERR(dchild)) | |
826 | return 1; | |
827 | if (d_mountpoint(dchild) || | |
828 | fh_compose(fhp, exp, dchild, &cd->fh) != 0 || | |
829 | !dchild->d_inode) | |
830 | rv = 1; | |
831 | dput(dchild); | |
832 | return rv; | |
833 | } | |
834 | ||
835 | /* | |
836 | * Encode a directory entry. This one works for both normal readdir | |
837 | * and readdirplus. | |
838 | * The normal readdir reply requires 2 (fileid) + 1 (stringlen) | |
839 | * + string + 2 (cookie) + 1 (next) words, i.e. 6 + strlen. | |
840 | * | |
841 | * The readdirplus baggage is 1+21 words for post_op_attr, plus the | |
842 | * file handle. | |
843 | */ | |
844 | ||
845 | #define NFS3_ENTRY_BAGGAGE (2 + 1 + 2 + 1) | |
846 | #define NFS3_ENTRYPLUS_BAGGAGE (1 + 21 + 1 + (NFS3_FHSIZE >> 2)) | |
847 | static int | |
848 | encode_entry(struct readdir_cd *ccd, const char *name, | |
849 | int namlen, off_t offset, ino_t ino, unsigned int d_type, int plus) | |
850 | { | |
851 | struct nfsd3_readdirres *cd = container_of(ccd, struct nfsd3_readdirres, | |
852 | common); | |
853 | u32 *p = cd->buffer; | |
854 | caddr_t curr_page_addr = NULL; | |
855 | int pn; /* current page number */ | |
856 | int slen; /* string (name) length */ | |
857 | int elen; /* estimated entry length in words */ | |
858 | int num_entry_words = 0; /* actual number of words */ | |
859 | ||
860 | if (cd->offset) { | |
861 | u64 offset64 = offset; | |
862 | ||
863 | if (unlikely(cd->offset1)) { | |
864 | /* we ended up with offset on a page boundary */ | |
865 | *cd->offset = htonl(offset64 >> 32); | |
866 | *cd->offset1 = htonl(offset64 & 0xffffffff); | |
867 | cd->offset1 = NULL; | |
868 | } else { | |
869 | xdr_encode_hyper(cd->offset, (u64) offset); | |
870 | } | |
871 | } | |
872 | ||
873 | /* | |
874 | dprintk("encode_entry(%.*s @%ld%s)\n", | |
875 | namlen, name, (long) offset, plus? " plus" : ""); | |
876 | */ | |
877 | ||
878 | /* truncate filename if too long */ | |
879 | if (namlen > NFS3_MAXNAMLEN) | |
880 | namlen = NFS3_MAXNAMLEN; | |
881 | ||
882 | slen = XDR_QUADLEN(namlen); | |
883 | elen = slen + NFS3_ENTRY_BAGGAGE | |
884 | + (plus? NFS3_ENTRYPLUS_BAGGAGE : 0); | |
885 | ||
886 | if (cd->buflen < elen) { | |
887 | cd->common.err = nfserr_toosmall; | |
888 | return -EINVAL; | |
889 | } | |
890 | ||
891 | /* determine which page in rq_respages[] we are currently filling */ | |
892 | for (pn=1; pn < cd->rqstp->rq_resused; pn++) { | |
893 | curr_page_addr = page_address(cd->rqstp->rq_respages[pn]); | |
894 | ||
895 | if (((caddr_t)cd->buffer >= curr_page_addr) && | |
896 | ((caddr_t)cd->buffer < curr_page_addr + PAGE_SIZE)) | |
897 | break; | |
898 | } | |
899 | ||
900 | if ((caddr_t)(cd->buffer + elen) < (curr_page_addr + PAGE_SIZE)) { | |
901 | /* encode entry in current page */ | |
902 | ||
903 | p = encode_entry_baggage(cd, p, name, namlen, ino); | |
904 | ||
905 | /* throw in readdirplus baggage */ | |
906 | if (plus) { | |
907 | struct svc_fh fh; | |
908 | ||
909 | if (compose_entry_fh(cd, &fh, name, namlen) > 0) { | |
910 | *p++ = 0; | |
911 | *p++ = 0; | |
912 | } else | |
913 | p = encode_entryplus_baggage(cd, p, &fh); | |
914 | } | |
915 | num_entry_words = p - cd->buffer; | |
916 | } else if (cd->rqstp->rq_respages[pn+1] != NULL) { | |
917 | /* temporarily encode entry into next page, then move back to | |
918 | * current and next page in rq_respages[] */ | |
919 | u32 *p1, *tmp; | |
920 | int len1, len2; | |
921 | ||
922 | /* grab next page for temporary storage of entry */ | |
923 | p1 = tmp = page_address(cd->rqstp->rq_respages[pn+1]); | |
924 | ||
925 | p1 = encode_entry_baggage(cd, p1, name, namlen, ino); | |
926 | ||
927 | /* throw in readdirplus baggage */ | |
928 | if (plus) { | |
929 | struct svc_fh fh; | |
930 | ||
931 | if (compose_entry_fh(cd, &fh, name, namlen) > 0) { | |
932 | /* zero out the filehandle */ | |
933 | *p1++ = 0; | |
934 | *p1++ = 0; | |
935 | } else | |
936 | p1 = encode_entryplus_baggage(cd, p1, &fh); | |
937 | } | |
938 | ||
939 | /* determine entry word length and lengths to go in pages */ | |
940 | num_entry_words = p1 - tmp; | |
941 | len1 = curr_page_addr + PAGE_SIZE - (caddr_t)cd->buffer; | |
942 | if ((num_entry_words << 2) < len1) { | |
943 | /* the actual number of words in the entry is less | |
944 | * than elen and can still fit in the current page | |
945 | */ | |
946 | memmove(p, tmp, num_entry_words << 2); | |
947 | p += num_entry_words; | |
948 | ||
949 | /* update offset */ | |
950 | cd->offset = cd->buffer + (cd->offset - tmp); | |
951 | } else { | |
952 | unsigned int offset_r = (cd->offset - tmp) << 2; | |
953 | ||
954 | /* update pointer to offset location. | |
955 | * This is a 64bit quantity, so we need to | |
956 | * deal with 3 cases: | |
957 | * - entirely in first page | |
958 | * - entirely in second page | |
959 | * - 4 bytes in each page | |
960 | */ | |
961 | if (offset_r + 8 <= len1) { | |
962 | cd->offset = p + (cd->offset - tmp); | |
963 | } else if (offset_r >= len1) { | |
964 | cd->offset -= len1 >> 2; | |
965 | } else { | |
966 | /* sitting on the fence */ | |
967 | BUG_ON(offset_r != len1 - 4); | |
968 | cd->offset = p + (cd->offset - tmp); | |
969 | cd->offset1 = tmp; | |
970 | } | |
971 | ||
972 | len2 = (num_entry_words << 2) - len1; | |
973 | ||
974 | /* move from temp page to current and next pages */ | |
975 | memmove(p, tmp, len1); | |
976 | memmove(tmp, (caddr_t)tmp+len1, len2); | |
977 | ||
978 | p = tmp + (len2 >> 2); | |
979 | } | |
980 | } | |
981 | else { | |
982 | cd->common.err = nfserr_toosmall; | |
983 | return -EINVAL; | |
984 | } | |
985 | ||
986 | cd->buflen -= num_entry_words; | |
987 | cd->buffer = p; | |
988 | cd->common.err = nfs_ok; | |
989 | return 0; | |
990 | ||
991 | } | |
992 | ||
993 | int | |
994 | nfs3svc_encode_entry(struct readdir_cd *cd, const char *name, | |
995 | int namlen, loff_t offset, ino_t ino, unsigned int d_type) | |
996 | { | |
997 | return encode_entry(cd, name, namlen, offset, ino, d_type, 0); | |
998 | } | |
999 | ||
1000 | int | |
1001 | nfs3svc_encode_entry_plus(struct readdir_cd *cd, const char *name, | |
1002 | int namlen, loff_t offset, ino_t ino, unsigned int d_type) | |
1003 | { | |
1004 | return encode_entry(cd, name, namlen, offset, ino, d_type, 1); | |
1005 | } | |
1006 | ||
1007 | /* FSSTAT */ | |
1008 | int | |
1009 | nfs3svc_encode_fsstatres(struct svc_rqst *rqstp, u32 *p, | |
1010 | struct nfsd3_fsstatres *resp) | |
1011 | { | |
1012 | struct kstatfs *s = &resp->stats; | |
1013 | u64 bs = s->f_bsize; | |
1014 | ||
1015 | *p++ = xdr_zero; /* no post_op_attr */ | |
1016 | ||
1017 | if (resp->status == 0) { | |
1018 | p = xdr_encode_hyper(p, bs * s->f_blocks); /* total bytes */ | |
1019 | p = xdr_encode_hyper(p, bs * s->f_bfree); /* free bytes */ | |
1020 | p = xdr_encode_hyper(p, bs * s->f_bavail); /* user available bytes */ | |
1021 | p = xdr_encode_hyper(p, s->f_files); /* total inodes */ | |
1022 | p = xdr_encode_hyper(p, s->f_ffree); /* free inodes */ | |
1023 | p = xdr_encode_hyper(p, s->f_ffree); /* user available inodes */ | |
1024 | *p++ = htonl(resp->invarsec); /* mean unchanged time */ | |
1025 | } | |
1026 | return xdr_ressize_check(rqstp, p); | |
1027 | } | |
1028 | ||
1029 | /* FSINFO */ | |
1030 | int | |
1031 | nfs3svc_encode_fsinfores(struct svc_rqst *rqstp, u32 *p, | |
1032 | struct nfsd3_fsinfores *resp) | |
1033 | { | |
1034 | *p++ = xdr_zero; /* no post_op_attr */ | |
1035 | ||
1036 | if (resp->status == 0) { | |
1037 | *p++ = htonl(resp->f_rtmax); | |
1038 | *p++ = htonl(resp->f_rtpref); | |
1039 | *p++ = htonl(resp->f_rtmult); | |
1040 | *p++ = htonl(resp->f_wtmax); | |
1041 | *p++ = htonl(resp->f_wtpref); | |
1042 | *p++ = htonl(resp->f_wtmult); | |
1043 | *p++ = htonl(resp->f_dtpref); | |
1044 | p = xdr_encode_hyper(p, resp->f_maxfilesize); | |
1045 | *p++ = xdr_one; | |
1046 | *p++ = xdr_zero; | |
1047 | *p++ = htonl(resp->f_properties); | |
1048 | } | |
1049 | ||
1050 | return xdr_ressize_check(rqstp, p); | |
1051 | } | |
1052 | ||
1053 | /* PATHCONF */ | |
1054 | int | |
1055 | nfs3svc_encode_pathconfres(struct svc_rqst *rqstp, u32 *p, | |
1056 | struct nfsd3_pathconfres *resp) | |
1057 | { | |
1058 | *p++ = xdr_zero; /* no post_op_attr */ | |
1059 | ||
1060 | if (resp->status == 0) { | |
1061 | *p++ = htonl(resp->p_link_max); | |
1062 | *p++ = htonl(resp->p_name_max); | |
1063 | *p++ = htonl(resp->p_no_trunc); | |
1064 | *p++ = htonl(resp->p_chown_restricted); | |
1065 | *p++ = htonl(resp->p_case_insensitive); | |
1066 | *p++ = htonl(resp->p_case_preserving); | |
1067 | } | |
1068 | ||
1069 | return xdr_ressize_check(rqstp, p); | |
1070 | } | |
1071 | ||
1072 | /* COMMIT */ | |
1073 | int | |
1074 | nfs3svc_encode_commitres(struct svc_rqst *rqstp, u32 *p, | |
1075 | struct nfsd3_commitres *resp) | |
1076 | { | |
1077 | p = encode_wcc_data(rqstp, p, &resp->fh); | |
1078 | /* Write verifier */ | |
1079 | if (resp->status == 0) { | |
1080 | *p++ = htonl(nfssvc_boot.tv_sec); | |
1081 | *p++ = htonl(nfssvc_boot.tv_usec); | |
1082 | } | |
1083 | return xdr_ressize_check(rqstp, p); | |
1084 | } | |
1085 | ||
1086 | /* | |
1087 | * XDR release functions | |
1088 | */ | |
1089 | int | |
1090 | nfs3svc_release_fhandle(struct svc_rqst *rqstp, u32 *p, | |
1091 | struct nfsd3_attrstat *resp) | |
1092 | { | |
1093 | fh_put(&resp->fh); | |
1094 | return 1; | |
1095 | } | |
1096 | ||
1097 | int | |
1098 | nfs3svc_release_fhandle2(struct svc_rqst *rqstp, u32 *p, | |
1099 | struct nfsd3_fhandle_pair *resp) | |
1100 | { | |
1101 | fh_put(&resp->fh1); | |
1102 | fh_put(&resp->fh2); | |
1103 | return 1; | |
1104 | } |