Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
f30c2269 | 2 | * linux/fs/nfsd/nfsxdr.c |
1da177e4 LT |
3 | * |
4 | * XDR support for nfsd | |
5 | * | |
6 | * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de> | |
7 | */ | |
8 | ||
9 | #include <linux/types.h> | |
10 | #include <linux/time.h> | |
11 | #include <linux/nfs.h> | |
12 | #include <linux/vfs.h> | |
13 | #include <linux/sunrpc/xdr.h> | |
14 | #include <linux/sunrpc/svc.h> | |
15 | #include <linux/nfsd/nfsd.h> | |
16 | #include <linux/nfsd/xdr.h> | |
17 | #include <linux/mm.h> | |
18 | ||
19 | #define NFSDDBG_FACILITY NFSDDBG_XDR | |
20 | ||
1da177e4 LT |
21 | /* |
22 | * Mapping of S_IF* types to NFS file types | |
23 | */ | |
24 | static u32 nfs_ftypes[] = { | |
25 | NFNON, NFCHR, NFCHR, NFBAD, | |
26 | NFDIR, NFBAD, NFBLK, NFBAD, | |
27 | NFREG, NFBAD, NFLNK, NFBAD, | |
28 | NFSOCK, NFBAD, NFLNK, NFBAD, | |
29 | }; | |
30 | ||
31 | ||
32 | /* | |
33 | * XDR functions for basic NFS types | |
34 | */ | |
131a21c2 AV |
35 | static __be32 * |
36 | decode_fh(__be32 *p, struct svc_fh *fhp) | |
1da177e4 LT |
37 | { |
38 | fh_init(fhp, NFS_FHSIZE); | |
39 | memcpy(&fhp->fh_handle.fh_base, p, NFS_FHSIZE); | |
40 | fhp->fh_handle.fh_size = NFS_FHSIZE; | |
41 | ||
42 | /* FIXME: Look up export pointer here and verify | |
43 | * Sun Secure RPC if requested */ | |
44 | return p + (NFS_FHSIZE >> 2); | |
45 | } | |
46 | ||
a257cdd0 | 47 | /* Helper function for NFSv2 ACL code */ |
131a21c2 | 48 | __be32 *nfs2svc_decode_fh(__be32 *p, struct svc_fh *fhp) |
a257cdd0 AG |
49 | { |
50 | return decode_fh(p, fhp); | |
51 | } | |
52 | ||
3ee6f61c | 53 | static __be32 * |
131a21c2 | 54 | encode_fh(__be32 *p, struct svc_fh *fhp) |
1da177e4 LT |
55 | { |
56 | memcpy(p, &fhp->fh_handle.fh_base, NFS_FHSIZE); | |
57 | return p + (NFS_FHSIZE>> 2); | |
58 | } | |
59 | ||
60 | /* | |
61 | * Decode a file name and make sure that the path contains | |
62 | * no slashes or null bytes. | |
63 | */ | |
3ee6f61c | 64 | static __be32 * |
131a21c2 | 65 | decode_filename(__be32 *p, char **namp, int *lenp) |
1da177e4 LT |
66 | { |
67 | char *name; | |
68 | int i; | |
69 | ||
70 | if ((p = xdr_decode_string_inplace(p, namp, lenp, NFS_MAXNAMLEN)) != NULL) { | |
71 | for (i = 0, name = *namp; i < *lenp; i++, name++) { | |
72 | if (*name == '\0' || *name == '/') | |
73 | return NULL; | |
74 | } | |
75 | } | |
76 | ||
77 | return p; | |
78 | } | |
79 | ||
3ee6f61c | 80 | static __be32 * |
131a21c2 | 81 | decode_pathname(__be32 *p, char **namp, int *lenp) |
1da177e4 LT |
82 | { |
83 | char *name; | |
84 | int i; | |
85 | ||
86 | if ((p = xdr_decode_string_inplace(p, namp, lenp, NFS_MAXPATHLEN)) != NULL) { | |
87 | for (i = 0, name = *namp; i < *lenp; i++, name++) { | |
88 | if (*name == '\0') | |
89 | return NULL; | |
90 | } | |
91 | } | |
92 | ||
93 | return p; | |
94 | } | |
95 | ||
3ee6f61c | 96 | static __be32 * |
131a21c2 | 97 | decode_sattr(__be32 *p, struct iattr *iap) |
1da177e4 LT |
98 | { |
99 | u32 tmp, tmp1; | |
100 | ||
101 | iap->ia_valid = 0; | |
102 | ||
103 | /* Sun client bug compatibility check: some sun clients seem to | |
104 | * put 0xffff in the mode field when they mean 0xffffffff. | |
105 | * Quoting the 4.4BSD nfs server code: Nah nah nah nah na nah. | |
106 | */ | |
107 | if ((tmp = ntohl(*p++)) != (u32)-1 && tmp != 0xffff) { | |
108 | iap->ia_valid |= ATTR_MODE; | |
109 | iap->ia_mode = tmp; | |
110 | } | |
111 | if ((tmp = ntohl(*p++)) != (u32)-1) { | |
112 | iap->ia_valid |= ATTR_UID; | |
113 | iap->ia_uid = tmp; | |
114 | } | |
115 | if ((tmp = ntohl(*p++)) != (u32)-1) { | |
116 | iap->ia_valid |= ATTR_GID; | |
117 | iap->ia_gid = tmp; | |
118 | } | |
119 | if ((tmp = ntohl(*p++)) != (u32)-1) { | |
120 | iap->ia_valid |= ATTR_SIZE; | |
121 | iap->ia_size = tmp; | |
122 | } | |
123 | tmp = ntohl(*p++); tmp1 = ntohl(*p++); | |
124 | if (tmp != (u32)-1 && tmp1 != (u32)-1) { | |
125 | iap->ia_valid |= ATTR_ATIME | ATTR_ATIME_SET; | |
126 | iap->ia_atime.tv_sec = tmp; | |
127 | iap->ia_atime.tv_nsec = tmp1 * 1000; | |
128 | } | |
129 | tmp = ntohl(*p++); tmp1 = ntohl(*p++); | |
130 | if (tmp != (u32)-1 && tmp1 != (u32)-1) { | |
131 | iap->ia_valid |= ATTR_MTIME | ATTR_MTIME_SET; | |
132 | iap->ia_mtime.tv_sec = tmp; | |
133 | iap->ia_mtime.tv_nsec = tmp1 * 1000; | |
134 | /* | |
135 | * Passing the invalid value useconds=1000000 for mtime | |
136 | * is a Sun convention for "set both mtime and atime to | |
137 | * current server time". It's needed to make permissions | |
138 | * checks for the "touch" program across v2 mounts to | |
139 | * Solaris and Irix boxes work correctly. See description of | |
140 | * sattr in section 6.1 of "NFS Illustrated" by | |
141 | * Brent Callaghan, Addison-Wesley, ISBN 0-201-32750-5 | |
142 | */ | |
143 | if (tmp1 == 1000000) | |
144 | iap->ia_valid &= ~(ATTR_ATIME_SET|ATTR_MTIME_SET); | |
145 | } | |
146 | return p; | |
147 | } | |
148 | ||
131a21c2 AV |
149 | static __be32 * |
150 | encode_fattr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp, | |
a334de28 | 151 | struct kstat *stat) |
1da177e4 | 152 | { |
1da177e4 | 153 | struct dentry *dentry = fhp->fh_dentry; |
1da177e4 LT |
154 | int type; |
155 | struct timespec time; | |
156 | ||
a334de28 | 157 | type = (stat->mode & S_IFMT); |
1da177e4 LT |
158 | |
159 | *p++ = htonl(nfs_ftypes[type >> 12]); | |
a334de28 DS |
160 | *p++ = htonl((u32) stat->mode); |
161 | *p++ = htonl((u32) stat->nlink); | |
162 | *p++ = htonl((u32) nfsd_ruid(rqstp, stat->uid)); | |
163 | *p++ = htonl((u32) nfsd_rgid(rqstp, stat->gid)); | |
1da177e4 | 164 | |
a334de28 | 165 | if (S_ISLNK(type) && stat->size > NFS_MAXPATHLEN) { |
1da177e4 LT |
166 | *p++ = htonl(NFS_MAXPATHLEN); |
167 | } else { | |
a334de28 | 168 | *p++ = htonl((u32) stat->size); |
1da177e4 | 169 | } |
a334de28 | 170 | *p++ = htonl((u32) stat->blksize); |
1da177e4 | 171 | if (S_ISCHR(type) || S_ISBLK(type)) |
a334de28 | 172 | *p++ = htonl(new_encode_dev(stat->rdev)); |
1da177e4 LT |
173 | else |
174 | *p++ = htonl(0xffffffff); | |
a334de28 | 175 | *p++ = htonl((u32) stat->blocks); |
1da177e4 LT |
176 | if (is_fsid(fhp, rqstp->rq_reffh)) |
177 | *p++ = htonl((u32) fhp->fh_export->ex_fsid); | |
178 | else | |
a334de28 DS |
179 | *p++ = htonl(new_encode_dev(stat->dev)); |
180 | *p++ = htonl((u32) stat->ino); | |
181 | *p++ = htonl((u32) stat->atime.tv_sec); | |
182 | *p++ = htonl(stat->atime.tv_nsec ? stat->atime.tv_nsec / 1000 : 0); | |
1da177e4 LT |
183 | lease_get_mtime(dentry->d_inode, &time); |
184 | *p++ = htonl((u32) time.tv_sec); | |
185 | *p++ = htonl(time.tv_nsec ? time.tv_nsec / 1000 : 0); | |
a334de28 DS |
186 | *p++ = htonl((u32) stat->ctime.tv_sec); |
187 | *p++ = htonl(stat->ctime.tv_nsec ? stat->ctime.tv_nsec / 1000 : 0); | |
1da177e4 LT |
188 | |
189 | return p; | |
190 | } | |
191 | ||
a257cdd0 | 192 | /* Helper function for NFSv2 ACL code */ |
131a21c2 | 193 | __be32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp) |
a257cdd0 | 194 | { |
a334de28 DS |
195 | struct kstat stat; |
196 | vfs_getattr(fhp->fh_export->ex_mnt, fhp->fh_dentry, &stat); | |
197 | return encode_fattr(rqstp, p, fhp, &stat); | |
a257cdd0 | 198 | } |
1da177e4 LT |
199 | |
200 | /* | |
201 | * XDR decode functions | |
202 | */ | |
203 | int | |
131a21c2 | 204 | nfssvc_decode_void(struct svc_rqst *rqstp, __be32 *p, void *dummy) |
1da177e4 LT |
205 | { |
206 | return xdr_argsize_check(rqstp, p); | |
207 | } | |
208 | ||
209 | int | |
131a21c2 | 210 | nfssvc_decode_fhandle(struct svc_rqst *rqstp, __be32 *p, struct nfsd_fhandle *args) |
1da177e4 LT |
211 | { |
212 | if (!(p = decode_fh(p, &args->fh))) | |
213 | return 0; | |
214 | return xdr_argsize_check(rqstp, p); | |
215 | } | |
216 | ||
217 | int | |
131a21c2 | 218 | nfssvc_decode_sattrargs(struct svc_rqst *rqstp, __be32 *p, |
1da177e4 LT |
219 | struct nfsd_sattrargs *args) |
220 | { | |
221 | if (!(p = decode_fh(p, &args->fh)) | |
222 | || !(p = decode_sattr(p, &args->attrs))) | |
223 | return 0; | |
224 | ||
225 | return xdr_argsize_check(rqstp, p); | |
226 | } | |
227 | ||
228 | int | |
131a21c2 | 229 | nfssvc_decode_diropargs(struct svc_rqst *rqstp, __be32 *p, |
1da177e4 LT |
230 | struct nfsd_diropargs *args) |
231 | { | |
232 | if (!(p = decode_fh(p, &args->fh)) | |
233 | || !(p = decode_filename(p, &args->name, &args->len))) | |
234 | return 0; | |
235 | ||
236 | return xdr_argsize_check(rqstp, p); | |
237 | } | |
238 | ||
239 | int | |
131a21c2 | 240 | nfssvc_decode_readargs(struct svc_rqst *rqstp, __be32 *p, |
1da177e4 LT |
241 | struct nfsd_readargs *args) |
242 | { | |
243 | unsigned int len; | |
244 | int v,pn; | |
245 | if (!(p = decode_fh(p, &args->fh))) | |
246 | return 0; | |
247 | ||
248 | args->offset = ntohl(*p++); | |
249 | len = args->count = ntohl(*p++); | |
250 | p++; /* totalcount - unused */ | |
251 | ||
7adae489 GB |
252 | if (len > NFSSVC_MAXBLKSIZE_V2) |
253 | len = NFSSVC_MAXBLKSIZE_V2; | |
1da177e4 LT |
254 | |
255 | /* set up somewhere to store response. | |
256 | * We take pages, put them on reslist and include in iovec | |
257 | */ | |
258 | v=0; | |
259 | while (len > 0) { | |
44524359 | 260 | pn = rqstp->rq_resused++; |
3cc03b16 N |
261 | rqstp->rq_vec[v].iov_base = page_address(rqstp->rq_respages[pn]); |
262 | rqstp->rq_vec[v].iov_len = len < PAGE_SIZE?len:PAGE_SIZE; | |
263 | len -= rqstp->rq_vec[v].iov_len; | |
1da177e4 LT |
264 | v++; |
265 | } | |
266 | args->vlen = v; | |
267 | return xdr_argsize_check(rqstp, p); | |
268 | } | |
269 | ||
270 | int | |
131a21c2 | 271 | nfssvc_decode_writeargs(struct svc_rqst *rqstp, __be32 *p, |
1da177e4 LT |
272 | struct nfsd_writeargs *args) |
273 | { | |
274 | unsigned int len; | |
275 | int v; | |
276 | if (!(p = decode_fh(p, &args->fh))) | |
277 | return 0; | |
278 | ||
279 | p++; /* beginoffset */ | |
280 | args->offset = ntohl(*p++); /* offset */ | |
281 | p++; /* totalcount */ | |
282 | len = args->len = ntohl(*p++); | |
3cc03b16 N |
283 | rqstp->rq_vec[0].iov_base = (void*)p; |
284 | rqstp->rq_vec[0].iov_len = rqstp->rq_arg.head[0].iov_len - | |
1da177e4 | 285 | (((void*)p) - rqstp->rq_arg.head[0].iov_base); |
7adae489 GB |
286 | if (len > NFSSVC_MAXBLKSIZE_V2) |
287 | len = NFSSVC_MAXBLKSIZE_V2; | |
1da177e4 | 288 | v = 0; |
3cc03b16 N |
289 | while (len > rqstp->rq_vec[v].iov_len) { |
290 | len -= rqstp->rq_vec[v].iov_len; | |
1da177e4 | 291 | v++; |
3cc03b16 N |
292 | rqstp->rq_vec[v].iov_base = page_address(rqstp->rq_pages[v]); |
293 | rqstp->rq_vec[v].iov_len = PAGE_SIZE; | |
1da177e4 | 294 | } |
3cc03b16 | 295 | rqstp->rq_vec[v].iov_len = len; |
1da177e4 | 296 | args->vlen = v+1; |
3cc03b16 | 297 | return rqstp->rq_vec[0].iov_len > 0; |
1da177e4 LT |
298 | } |
299 | ||
300 | int | |
131a21c2 | 301 | nfssvc_decode_createargs(struct svc_rqst *rqstp, __be32 *p, |
1da177e4 LT |
302 | struct nfsd_createargs *args) |
303 | { | |
304 | if (!(p = decode_fh(p, &args->fh)) | |
305 | || !(p = decode_filename(p, &args->name, &args->len)) | |
306 | || !(p = decode_sattr(p, &args->attrs))) | |
307 | return 0; | |
308 | ||
309 | return xdr_argsize_check(rqstp, p); | |
310 | } | |
311 | ||
312 | int | |
131a21c2 | 313 | nfssvc_decode_renameargs(struct svc_rqst *rqstp, __be32 *p, |
1da177e4 LT |
314 | struct nfsd_renameargs *args) |
315 | { | |
316 | if (!(p = decode_fh(p, &args->ffh)) | |
317 | || !(p = decode_filename(p, &args->fname, &args->flen)) | |
318 | || !(p = decode_fh(p, &args->tfh)) | |
319 | || !(p = decode_filename(p, &args->tname, &args->tlen))) | |
320 | return 0; | |
321 | ||
322 | return xdr_argsize_check(rqstp, p); | |
323 | } | |
324 | ||
325 | int | |
131a21c2 | 326 | nfssvc_decode_readlinkargs(struct svc_rqst *rqstp, __be32 *p, struct nfsd_readlinkargs *args) |
1da177e4 LT |
327 | { |
328 | if (!(p = decode_fh(p, &args->fh))) | |
329 | return 0; | |
44524359 | 330 | args->buffer = page_address(rqstp->rq_respages[rqstp->rq_resused++]); |
1da177e4 LT |
331 | |
332 | return xdr_argsize_check(rqstp, p); | |
333 | } | |
334 | ||
335 | int | |
131a21c2 | 336 | nfssvc_decode_linkargs(struct svc_rqst *rqstp, __be32 *p, |
1da177e4 LT |
337 | struct nfsd_linkargs *args) |
338 | { | |
339 | if (!(p = decode_fh(p, &args->ffh)) | |
340 | || !(p = decode_fh(p, &args->tfh)) | |
341 | || !(p = decode_filename(p, &args->tname, &args->tlen))) | |
342 | return 0; | |
343 | ||
344 | return xdr_argsize_check(rqstp, p); | |
345 | } | |
346 | ||
347 | int | |
131a21c2 | 348 | nfssvc_decode_symlinkargs(struct svc_rqst *rqstp, __be32 *p, |
1da177e4 LT |
349 | struct nfsd_symlinkargs *args) |
350 | { | |
351 | if (!(p = decode_fh(p, &args->ffh)) | |
352 | || !(p = decode_filename(p, &args->fname, &args->flen)) | |
353 | || !(p = decode_pathname(p, &args->tname, &args->tlen)) | |
354 | || !(p = decode_sattr(p, &args->attrs))) | |
355 | return 0; | |
356 | ||
357 | return xdr_argsize_check(rqstp, p); | |
358 | } | |
359 | ||
360 | int | |
131a21c2 | 361 | nfssvc_decode_readdirargs(struct svc_rqst *rqstp, __be32 *p, |
1da177e4 LT |
362 | struct nfsd_readdirargs *args) |
363 | { | |
364 | if (!(p = decode_fh(p, &args->fh))) | |
365 | return 0; | |
366 | args->cookie = ntohl(*p++); | |
367 | args->count = ntohl(*p++); | |
368 | if (args->count > PAGE_SIZE) | |
369 | args->count = PAGE_SIZE; | |
370 | ||
44524359 | 371 | args->buffer = page_address(rqstp->rq_respages[rqstp->rq_resused++]); |
1da177e4 LT |
372 | |
373 | return xdr_argsize_check(rqstp, p); | |
374 | } | |
375 | ||
376 | /* | |
377 | * XDR encode functions | |
378 | */ | |
379 | int | |
131a21c2 | 380 | nfssvc_encode_void(struct svc_rqst *rqstp, __be32 *p, void *dummy) |
1da177e4 LT |
381 | { |
382 | return xdr_ressize_check(rqstp, p); | |
383 | } | |
384 | ||
385 | int | |
131a21c2 | 386 | nfssvc_encode_attrstat(struct svc_rqst *rqstp, __be32 *p, |
1da177e4 LT |
387 | struct nfsd_attrstat *resp) |
388 | { | |
a334de28 | 389 | p = encode_fattr(rqstp, p, &resp->fh, &resp->stat); |
1da177e4 LT |
390 | return xdr_ressize_check(rqstp, p); |
391 | } | |
392 | ||
393 | int | |
131a21c2 | 394 | nfssvc_encode_diropres(struct svc_rqst *rqstp, __be32 *p, |
1da177e4 LT |
395 | struct nfsd_diropres *resp) |
396 | { | |
397 | p = encode_fh(p, &resp->fh); | |
a334de28 | 398 | p = encode_fattr(rqstp, p, &resp->fh, &resp->stat); |
1da177e4 LT |
399 | return xdr_ressize_check(rqstp, p); |
400 | } | |
401 | ||
402 | int | |
131a21c2 | 403 | nfssvc_encode_readlinkres(struct svc_rqst *rqstp, __be32 *p, |
1da177e4 LT |
404 | struct nfsd_readlinkres *resp) |
405 | { | |
406 | *p++ = htonl(resp->len); | |
407 | xdr_ressize_check(rqstp, p); | |
408 | rqstp->rq_res.page_len = resp->len; | |
409 | if (resp->len & 3) { | |
410 | /* need to pad the tail */ | |
1da177e4 LT |
411 | rqstp->rq_res.tail[0].iov_base = p; |
412 | *p = 0; | |
413 | rqstp->rq_res.tail[0].iov_len = 4 - (resp->len&3); | |
414 | } | |
415 | return 1; | |
416 | } | |
417 | ||
418 | int | |
131a21c2 | 419 | nfssvc_encode_readres(struct svc_rqst *rqstp, __be32 *p, |
1da177e4 LT |
420 | struct nfsd_readres *resp) |
421 | { | |
a334de28 | 422 | p = encode_fattr(rqstp, p, &resp->fh, &resp->stat); |
1da177e4 LT |
423 | *p++ = htonl(resp->count); |
424 | xdr_ressize_check(rqstp, p); | |
425 | ||
426 | /* now update rqstp->rq_res to reflect data aswell */ | |
427 | rqstp->rq_res.page_len = resp->count; | |
428 | if (resp->count & 3) { | |
429 | /* need to pad the tail */ | |
1da177e4 LT |
430 | rqstp->rq_res.tail[0].iov_base = p; |
431 | *p = 0; | |
432 | rqstp->rq_res.tail[0].iov_len = 4 - (resp->count&3); | |
433 | } | |
434 | return 1; | |
435 | } | |
436 | ||
437 | int | |
131a21c2 | 438 | nfssvc_encode_readdirres(struct svc_rqst *rqstp, __be32 *p, |
1da177e4 LT |
439 | struct nfsd_readdirres *resp) |
440 | { | |
441 | xdr_ressize_check(rqstp, p); | |
442 | p = resp->buffer; | |
443 | *p++ = 0; /* no more entries */ | |
444 | *p++ = htonl((resp->common.err == nfserr_eof)); | |
445 | rqstp->rq_res.page_len = (((unsigned long)p-1) & ~PAGE_MASK)+1; | |
446 | ||
447 | return 1; | |
448 | } | |
449 | ||
450 | int | |
131a21c2 | 451 | nfssvc_encode_statfsres(struct svc_rqst *rqstp, __be32 *p, |
1da177e4 LT |
452 | struct nfsd_statfsres *resp) |
453 | { | |
454 | struct kstatfs *stat = &resp->stats; | |
455 | ||
7adae489 | 456 | *p++ = htonl(NFSSVC_MAXBLKSIZE_V2); /* max transfer size */ |
1da177e4 LT |
457 | *p++ = htonl(stat->f_bsize); |
458 | *p++ = htonl(stat->f_blocks); | |
459 | *p++ = htonl(stat->f_bfree); | |
460 | *p++ = htonl(stat->f_bavail); | |
461 | return xdr_ressize_check(rqstp, p); | |
462 | } | |
463 | ||
464 | int | |
a0ad13ef N |
465 | nfssvc_encode_entry(void *ccdv, const char *name, |
466 | int namlen, loff_t offset, u64 ino, unsigned int d_type) | |
1da177e4 | 467 | { |
a0ad13ef | 468 | struct readdir_cd *ccd = ccdv; |
1da177e4 | 469 | struct nfsd_readdirres *cd = container_of(ccd, struct nfsd_readdirres, common); |
131a21c2 | 470 | __be32 *p = cd->buffer; |
1da177e4 LT |
471 | int buflen, slen; |
472 | ||
473 | /* | |
474 | dprintk("nfsd: entry(%.*s off %ld ino %ld)\n", | |
475 | namlen, name, offset, ino); | |
476 | */ | |
477 | ||
478 | if (offset > ~((u32) 0)) { | |
479 | cd->common.err = nfserr_fbig; | |
480 | return -EINVAL; | |
481 | } | |
482 | if (cd->offset) | |
483 | *cd->offset = htonl(offset); | |
484 | if (namlen > NFS2_MAXNAMLEN) | |
485 | namlen = NFS2_MAXNAMLEN;/* truncate filename */ | |
486 | ||
487 | slen = XDR_QUADLEN(namlen); | |
488 | if ((buflen = cd->buflen - slen - 4) < 0) { | |
489 | cd->common.err = nfserr_toosmall; | |
490 | return -EINVAL; | |
491 | } | |
492 | *p++ = xdr_one; /* mark entry present */ | |
493 | *p++ = htonl((u32) ino); /* file id */ | |
494 | p = xdr_encode_array(p, name, namlen);/* name length & name */ | |
495 | cd->offset = p; /* remember pointer */ | |
131a21c2 | 496 | *p++ = htonl(~0U); /* offset of next entry */ |
1da177e4 LT |
497 | |
498 | cd->buflen = buflen; | |
499 | cd->buffer = p; | |
500 | cd->common.err = nfs_ok; | |
501 | return 0; | |
502 | } | |
503 | ||
504 | /* | |
505 | * XDR release functions | |
506 | */ | |
507 | int | |
131a21c2 | 508 | nfssvc_release_fhandle(struct svc_rqst *rqstp, __be32 *p, |
1da177e4 LT |
509 | struct nfsd_fhandle *resp) |
510 | { | |
511 | fh_put(&resp->fh); | |
512 | return 1; | |
513 | } |