Commit | Line | Data |
---|---|---|
b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
1da177e4 | 2 | /* |
1da177e4 LT |
3 | * Process version 3 NFS requests. |
4 | * | |
5 | * Copyright (C) 1996, 1997, 1998 Olaf Kirch <okir@monad.swb.de> | |
6 | */ | |
7 | ||
1da177e4 LT |
8 | #include <linux/fs.h> |
9 | #include <linux/ext2_fs.h> | |
12214cb7 | 10 | #include <linux/magic.h> |
df9606ab | 11 | #include <linux/namei.h> |
1da177e4 | 12 | |
9a74af21 BH |
13 | #include "cache.h" |
14 | #include "xdr3.h" | |
0a3adade | 15 | #include "vfs.h" |
c2528490 | 16 | #include "filecache.h" |
1da177e4 LT |
17 | |
18 | #define NFSDDBG_FACILITY NFSDDBG_PROC | |
19 | ||
1da177e4 LT |
20 | static int nfs3_ftypes[] = { |
21 | 0, /* NF3NON */ | |
22 | S_IFREG, /* NF3REG */ | |
23 | S_IFDIR, /* NF3DIR */ | |
24 | S_IFBLK, /* NF3BLK */ | |
25 | S_IFCHR, /* NF3CHR */ | |
26 | S_IFLNK, /* NF3LNK */ | |
27 | S_IFSOCK, /* NF3SOCK */ | |
28 | S_IFIFO, /* NF3FIFO */ | |
29 | }; | |
30 | ||
31 | /* | |
32 | * NULL call. | |
33 | */ | |
7111c66e | 34 | static __be32 |
a6beb732 | 35 | nfsd3_proc_null(struct svc_rqst *rqstp) |
1da177e4 | 36 | { |
cc028a10 | 37 | return rpc_success; |
1da177e4 LT |
38 | } |
39 | ||
40 | /* | |
41 | * Get a file's attributes | |
42 | */ | |
7111c66e | 43 | static __be32 |
a6beb732 | 44 | nfsd3_proc_getattr(struct svc_rqst *rqstp) |
1da177e4 | 45 | { |
a6beb732 CH |
46 | struct nfsd_fhandle *argp = rqstp->rq_argp; |
47 | struct nfsd3_attrstat *resp = rqstp->rq_resp; | |
1da177e4 LT |
48 | |
49 | dprintk("nfsd: GETATTR(3) %s\n", | |
a334de28 | 50 | SVCFH_fmt(&argp->fh)); |
1da177e4 LT |
51 | |
52 | fh_copy(&resp->fh, &argp->fh); | |
14168d67 CL |
53 | resp->status = fh_verify(rqstp, &resp->fh, 0, |
54 | NFSD_MAY_NOP | NFSD_MAY_BYPASS_GSS_ON_ROOT); | |
55 | if (resp->status != nfs_ok) | |
56 | goto out; | |
57 | ||
58 | resp->status = fh_getattr(&resp->fh, &resp->stat); | |
59 | out: | |
cc028a10 | 60 | return rpc_success; |
1da177e4 LT |
61 | } |
62 | ||
63 | /* | |
64 | * Set a file's attributes | |
65 | */ | |
7111c66e | 66 | static __be32 |
a6beb732 | 67 | nfsd3_proc_setattr(struct svc_rqst *rqstp) |
1da177e4 | 68 | { |
a6beb732 CH |
69 | struct nfsd3_sattrargs *argp = rqstp->rq_argp; |
70 | struct nfsd3_attrstat *resp = rqstp->rq_resp; | |
7fe2a71d N |
71 | struct nfsd_attrs attrs = { |
72 | .na_iattr = &argp->attrs, | |
73 | }; | |
1da177e4 LT |
74 | |
75 | dprintk("nfsd: SETATTR(3) %s\n", | |
76 | SVCFH_fmt(&argp->fh)); | |
77 | ||
78 | fh_copy(&resp->fh, &argp->fh); | |
7fe2a71d | 79 | resp->status = nfsd_setattr(rqstp, &resp->fh, &attrs, |
14168d67 | 80 | argp->check_guard, argp->guardtime); |
cc028a10 | 81 | return rpc_success; |
1da177e4 LT |
82 | } |
83 | ||
84 | /* | |
85 | * Look up a path name component | |
86 | */ | |
7111c66e | 87 | static __be32 |
a6beb732 | 88 | nfsd3_proc_lookup(struct svc_rqst *rqstp) |
1da177e4 | 89 | { |
a6beb732 CH |
90 | struct nfsd3_diropargs *argp = rqstp->rq_argp; |
91 | struct nfsd3_diropres *resp = rqstp->rq_resp; | |
1da177e4 LT |
92 | |
93 | dprintk("nfsd: LOOKUP(3) %s %.*s\n", | |
94 | SVCFH_fmt(&argp->fh), | |
95 | argp->len, | |
96 | argp->name); | |
97 | ||
98 | fh_copy(&resp->dirfh, &argp->fh); | |
99 | fh_init(&resp->fh, NFS3_FHSIZE); | |
100 | ||
14168d67 CL |
101 | resp->status = nfsd_lookup(rqstp, &resp->dirfh, |
102 | argp->name, argp->len, | |
103 | &resp->fh); | |
cc028a10 | 104 | return rpc_success; |
1da177e4 LT |
105 | } |
106 | ||
107 | /* | |
108 | * Check file access | |
109 | */ | |
7111c66e | 110 | static __be32 |
a6beb732 | 111 | nfsd3_proc_access(struct svc_rqst *rqstp) |
1da177e4 | 112 | { |
a6beb732 CH |
113 | struct nfsd3_accessargs *argp = rqstp->rq_argp; |
114 | struct nfsd3_accessres *resp = rqstp->rq_resp; | |
1da177e4 LT |
115 | |
116 | dprintk("nfsd: ACCESS(3) %s 0x%x\n", | |
117 | SVCFH_fmt(&argp->fh), | |
118 | argp->access); | |
119 | ||
120 | fh_copy(&resp->fh, &argp->fh); | |
121 | resp->access = argp->access; | |
14168d67 | 122 | resp->status = nfsd_access(rqstp, &resp->fh, &resp->access, NULL); |
cc028a10 | 123 | return rpc_success; |
1da177e4 LT |
124 | } |
125 | ||
126 | /* | |
127 | * Read a symlink. | |
128 | */ | |
7111c66e | 129 | static __be32 |
a6beb732 | 130 | nfsd3_proc_readlink(struct svc_rqst *rqstp) |
1da177e4 | 131 | { |
224c1c89 | 132 | struct nfsd_fhandle *argp = rqstp->rq_argp; |
a6beb732 | 133 | struct nfsd3_readlinkres *resp = rqstp->rq_resp; |
1da177e4 LT |
134 | |
135 | dprintk("nfsd: READLINK(3) %s\n", SVCFH_fmt(&argp->fh)); | |
136 | ||
137 | /* Read the symlink. */ | |
138 | fh_copy(&resp->fh, &argp->fh); | |
139 | resp->len = NFS3_MAXPATHLEN; | |
9a9c8923 CL |
140 | resp->pages = rqstp->rq_next_page++; |
141 | resp->status = nfsd_readlink(rqstp, &resp->fh, | |
142 | page_address(*resp->pages), &resp->len); | |
cc028a10 | 143 | return rpc_success; |
1da177e4 LT |
144 | } |
145 | ||
146 | /* | |
147 | * Read a portion of a file. | |
148 | */ | |
7111c66e | 149 | static __be32 |
a6beb732 | 150 | nfsd3_proc_read(struct svc_rqst *rqstp) |
1da177e4 | 151 | { |
a6beb732 CH |
152 | struct nfsd3_readargs *argp = rqstp->rq_argp; |
153 | struct nfsd3_readres *resp = rqstp->rq_resp; | |
be63bd2a CL |
154 | unsigned int len; |
155 | int v; | |
156 | ||
18b631f8 | 157 | dprintk("nfsd: READ(3) %s %lu bytes at %Lu\n", |
1da177e4 LT |
158 | SVCFH_fmt(&argp->fh), |
159 | (unsigned long) argp->count, | |
18b631f8 | 160 | (unsigned long long) argp->offset); |
1da177e4 | 161 | |
fa6be9cc CL |
162 | argp->count = min_t(u32, argp->count, svc_max_payload(rqstp)); |
163 | argp->count = min_t(u32, argp->count, rqstp->rq_res.buflen); | |
0cb4d23a CL |
164 | if (argp->offset > (u64)OFFSET_MAX) |
165 | argp->offset = (u64)OFFSET_MAX; | |
166 | if (argp->offset + argp->count > (u64)OFFSET_MAX) | |
167 | argp->count = (u64)OFFSET_MAX - argp->offset; | |
168 | ||
be63bd2a CL |
169 | v = 0; |
170 | len = argp->count; | |
cc9bcdad | 171 | resp->pages = rqstp->rq_next_page; |
be63bd2a CL |
172 | while (len > 0) { |
173 | struct page *page = *(rqstp->rq_next_page++); | |
174 | ||
175 | rqstp->rq_vec[v].iov_base = page_address(page); | |
176 | rqstp->rq_vec[v].iov_len = min_t(unsigned int, len, PAGE_SIZE); | |
177 | len -= rqstp->rq_vec[v].iov_len; | |
178 | v++; | |
179 | } | |
180 | ||
1da177e4 LT |
181 | /* Obtain buffer pointer for payload. |
182 | * 1 (status) + 22 (post_op_attr) + 1 (count) + 1 (eof) | |
183 | * + 1 (xdr opaque byte count) = 26 | |
184 | */ | |
be63bd2a | 185 | resp->count = argp->count; |
cd123012 | 186 | svc_reserve_auth(rqstp, ((1 + NFS3_POST_OP_ATTR_WORDS + 3)<<2) + resp->count +4); |
1da177e4 LT |
187 | |
188 | fh_copy(&resp->fh, &argp->fh); | |
14168d67 | 189 | resp->status = nfsd_read(rqstp, &resp->fh, argp->offset, |
be63bd2a | 190 | rqstp->rq_vec, v, &resp->count, &resp->eof); |
cc028a10 | 191 | return rpc_success; |
1da177e4 LT |
192 | } |
193 | ||
194 | /* | |
195 | * Write data to a file | |
196 | */ | |
7111c66e | 197 | static __be32 |
a6beb732 | 198 | nfsd3_proc_write(struct svc_rqst *rqstp) |
1da177e4 | 199 | { |
a6beb732 CH |
200 | struct nfsd3_writeargs *argp = rqstp->rq_argp; |
201 | struct nfsd3_writeres *resp = rqstp->rq_resp; | |
31dec253 | 202 | unsigned long cnt = argp->len; |
8154ef27 | 203 | unsigned int nvecs; |
1da177e4 | 204 | |
18b631f8 | 205 | dprintk("nfsd: WRITE(3) %s %d bytes at %Lu%s\n", |
1da177e4 LT |
206 | SVCFH_fmt(&argp->fh), |
207 | argp->len, | |
18b631f8 | 208 | (unsigned long long) argp->offset, |
1da177e4 LT |
209 | argp->stable? " stable" : ""); |
210 | ||
6260d9a5 CL |
211 | resp->status = nfserr_fbig; |
212 | if (argp->offset > (u64)OFFSET_MAX || | |
213 | argp->offset + argp->len > (u64)OFFSET_MAX) | |
214 | return rpc_success; | |
215 | ||
1da177e4 LT |
216 | fh_copy(&resp->fh, &argp->fh); |
217 | resp->committed = argp->stable; | |
dae9a6ca | 218 | nvecs = svc_fill_write_vector(rqstp, &argp->payload); |
6a2f7744 | 219 | |
14168d67 CL |
220 | resp->status = nfsd_write(rqstp, &resp->fh, argp->offset, |
221 | rqstp->rq_vec, nvecs, &cnt, | |
222 | resp->committed, resp->verf); | |
31dec253 | 223 | resp->count = cnt; |
cc028a10 | 224 | return rpc_success; |
1da177e4 LT |
225 | } |
226 | ||
227 | /* | |
df9606ab CL |
228 | * Implement NFSv3's unchecked, guarded, and exclusive CREATE |
229 | * semantics for regular files. Except for the created file, | |
230 | * this operation is stateless on the server. | |
231 | * | |
232 | * Upon return, caller must release @fhp and @resfhp. | |
1da177e4 | 233 | */ |
df9606ab CL |
234 | static __be32 |
235 | nfsd3_create_file(struct svc_rqst *rqstp, struct svc_fh *fhp, | |
236 | struct svc_fh *resfhp, struct nfsd3_createargs *argp) | |
237 | { | |
238 | struct iattr *iap = &argp->attrs; | |
239 | struct dentry *parent, *child; | |
7fe2a71d N |
240 | struct nfsd_attrs attrs = { |
241 | .na_iattr = iap, | |
242 | }; | |
df9606ab CL |
243 | __u32 v_mtime, v_atime; |
244 | struct inode *inode; | |
245 | __be32 status; | |
246 | int host_err; | |
247 | ||
248 | if (isdotent(argp->name, argp->len)) | |
249 | return nfserr_exist; | |
250 | if (!(iap->ia_valid & ATTR_MODE)) | |
251 | iap->ia_mode = 0; | |
252 | ||
253 | status = fh_verify(rqstp, fhp, S_IFDIR, NFSD_MAY_EXEC); | |
254 | if (status != nfs_ok) | |
255 | return status; | |
256 | ||
257 | parent = fhp->fh_dentry; | |
258 | inode = d_inode(parent); | |
259 | ||
260 | host_err = fh_want_write(fhp); | |
261 | if (host_err) | |
262 | return nfserrno(host_err); | |
263 | ||
debf16f0 | 264 | inode_lock_nested(inode, I_MUTEX_PARENT); |
df9606ab CL |
265 | |
266 | child = lookup_one_len(argp->name, parent, argp->len); | |
267 | if (IS_ERR(child)) { | |
268 | status = nfserrno(PTR_ERR(child)); | |
269 | goto out; | |
270 | } | |
271 | ||
272 | if (d_really_is_negative(child)) { | |
273 | status = fh_verify(rqstp, fhp, S_IFDIR, NFSD_MAY_CREATE); | |
274 | if (status != nfs_ok) | |
275 | goto out; | |
276 | } | |
277 | ||
278 | status = fh_compose(resfhp, fhp->fh_export, child, fhp); | |
279 | if (status != nfs_ok) | |
280 | goto out; | |
281 | ||
282 | v_mtime = 0; | |
283 | v_atime = 0; | |
284 | if (argp->createmode == NFS3_CREATE_EXCLUSIVE) { | |
285 | u32 *verifier = (u32 *)argp->verf; | |
286 | ||
287 | /* | |
288 | * Solaris 7 gets confused (bugid 4218508) if these have | |
289 | * the high bit set, as do xfs filesystems without the | |
290 | * "bigtime" feature. So just clear the high bits. | |
291 | */ | |
292 | v_mtime = verifier[0] & 0x7fffffff; | |
293 | v_atime = verifier[1] & 0x7fffffff; | |
294 | } | |
295 | ||
296 | if (d_really_is_positive(child)) { | |
297 | status = nfs_ok; | |
298 | ||
299 | switch (argp->createmode) { | |
300 | case NFS3_CREATE_UNCHECKED: | |
301 | if (!d_is_reg(child)) | |
302 | break; | |
303 | iap->ia_valid &= ATTR_SIZE; | |
304 | goto set_attr; | |
305 | case NFS3_CREATE_GUARDED: | |
306 | status = nfserr_exist; | |
307 | break; | |
308 | case NFS3_CREATE_EXCLUSIVE: | |
309 | if (d_inode(child)->i_mtime.tv_sec == v_mtime && | |
310 | d_inode(child)->i_atime.tv_sec == v_atime && | |
311 | d_inode(child)->i_size == 0) { | |
312 | break; | |
313 | } | |
314 | status = nfserr_exist; | |
315 | } | |
316 | goto out; | |
317 | } | |
318 | ||
319 | if (!IS_POSIXACL(inode)) | |
320 | iap->ia_mode &= ~current_umask(); | |
321 | ||
debf16f0 | 322 | fh_fill_pre_attrs(fhp); |
abf08576 | 323 | host_err = vfs_create(&nop_mnt_idmap, inode, child, iap->ia_mode, true); |
df9606ab CL |
324 | if (host_err < 0) { |
325 | status = nfserrno(host_err); | |
326 | goto out; | |
327 | } | |
debf16f0 | 328 | fh_fill_post_attrs(fhp); |
df9606ab CL |
329 | |
330 | /* A newly created file already has a file size of zero. */ | |
331 | if ((iap->ia_valid & ATTR_SIZE) && (iap->ia_size == 0)) | |
332 | iap->ia_valid &= ~ATTR_SIZE; | |
333 | if (argp->createmode == NFS3_CREATE_EXCLUSIVE) { | |
334 | iap->ia_valid = ATTR_MTIME | ATTR_ATIME | | |
335 | ATTR_MTIME_SET | ATTR_ATIME_SET; | |
336 | iap->ia_mtime.tv_sec = v_mtime; | |
337 | iap->ia_atime.tv_sec = v_atime; | |
338 | iap->ia_mtime.tv_nsec = 0; | |
339 | iap->ia_atime.tv_nsec = 0; | |
340 | } | |
341 | ||
342 | set_attr: | |
7fe2a71d | 343 | status = nfsd_create_setattr(rqstp, fhp, resfhp, &attrs); |
df9606ab CL |
344 | |
345 | out: | |
debf16f0 | 346 | inode_unlock(inode); |
df9606ab CL |
347 | if (child && !IS_ERR(child)) |
348 | dput(child); | |
349 | fh_drop_write(fhp); | |
350 | return status; | |
351 | } | |
352 | ||
7111c66e | 353 | static __be32 |
a6beb732 | 354 | nfsd3_proc_create(struct svc_rqst *rqstp) |
1da177e4 | 355 | { |
a6beb732 CH |
356 | struct nfsd3_createargs *argp = rqstp->rq_argp; |
357 | struct nfsd3_diropres *resp = rqstp->rq_resp; | |
e6156859 | 358 | svc_fh *dirfhp, *newfhp; |
1da177e4 LT |
359 | |
360 | dprintk("nfsd: CREATE(3) %s %.*s\n", | |
361 | SVCFH_fmt(&argp->fh), | |
362 | argp->len, | |
363 | argp->name); | |
364 | ||
365 | dirfhp = fh_copy(&resp->dirfh, &argp->fh); | |
366 | newfhp = fh_init(&resp->fh, NFS3_FHSIZE); | |
1da177e4 | 367 | |
df9606ab | 368 | resp->status = nfsd3_create_file(rqstp, dirfhp, newfhp, argp); |
cc028a10 | 369 | return rpc_success; |
1da177e4 LT |
370 | } |
371 | ||
372 | /* | |
373 | * Make directory. This operation is not idempotent. | |
374 | */ | |
7111c66e | 375 | static __be32 |
a6beb732 | 376 | nfsd3_proc_mkdir(struct svc_rqst *rqstp) |
1da177e4 | 377 | { |
a6beb732 CH |
378 | struct nfsd3_createargs *argp = rqstp->rq_argp; |
379 | struct nfsd3_diropres *resp = rqstp->rq_resp; | |
7fe2a71d N |
380 | struct nfsd_attrs attrs = { |
381 | .na_iattr = &argp->attrs, | |
382 | }; | |
1da177e4 LT |
383 | |
384 | dprintk("nfsd: MKDIR(3) %s %.*s\n", | |
385 | SVCFH_fmt(&argp->fh), | |
386 | argp->len, | |
387 | argp->name); | |
388 | ||
389 | argp->attrs.ia_valid &= ~ATTR_SIZE; | |
390 | fh_copy(&resp->dirfh, &argp->fh); | |
391 | fh_init(&resp->fh, NFS3_FHSIZE); | |
14168d67 | 392 | resp->status = nfsd_create(rqstp, &resp->dirfh, argp->name, argp->len, |
7fe2a71d | 393 | &attrs, S_IFDIR, 0, &resp->fh); |
cc028a10 | 394 | return rpc_success; |
1da177e4 LT |
395 | } |
396 | ||
7111c66e | 397 | static __be32 |
a6beb732 | 398 | nfsd3_proc_symlink(struct svc_rqst *rqstp) |
1da177e4 | 399 | { |
a6beb732 CH |
400 | struct nfsd3_symlinkargs *argp = rqstp->rq_argp; |
401 | struct nfsd3_diropres *resp = rqstp->rq_resp; | |
93adc1e3 N |
402 | struct nfsd_attrs attrs = { |
403 | .na_iattr = &argp->attrs, | |
404 | }; | |
1da177e4 | 405 | |
14168d67 CL |
406 | if (argp->tlen == 0) { |
407 | resp->status = nfserr_inval; | |
408 | goto out; | |
409 | } | |
410 | if (argp->tlen > NFS3_MAXPATHLEN) { | |
411 | resp->status = nfserr_nametoolong; | |
412 | goto out; | |
413 | } | |
38a70315 CL |
414 | |
415 | argp->tname = svc_fill_symlink_pathname(rqstp, &argp->first, | |
11b4d66e | 416 | page_address(rqstp->rq_arg.pages[0]), |
38a70315 | 417 | argp->tlen); |
14168d67 CL |
418 | if (IS_ERR(argp->tname)) { |
419 | resp->status = nfserrno(PTR_ERR(argp->tname)); | |
420 | goto out; | |
421 | } | |
38a70315 | 422 | |
1da177e4 LT |
423 | dprintk("nfsd: SYMLINK(3) %s %.*s -> %.*s\n", |
424 | SVCFH_fmt(&argp->ffh), | |
425 | argp->flen, argp->fname, | |
426 | argp->tlen, argp->tname); | |
427 | ||
428 | fh_copy(&resp->dirfh, &argp->ffh); | |
429 | fh_init(&resp->fh, NFS3_FHSIZE); | |
14168d67 | 430 | resp->status = nfsd_symlink(rqstp, &resp->dirfh, argp->fname, |
93adc1e3 | 431 | argp->flen, argp->tname, &attrs, &resp->fh); |
11b4d66e | 432 | kfree(argp->tname); |
14168d67 | 433 | out: |
cc028a10 | 434 | return rpc_success; |
1da177e4 LT |
435 | } |
436 | ||
437 | /* | |
438 | * Make socket/fifo/device. | |
439 | */ | |
7111c66e | 440 | static __be32 |
a6beb732 | 441 | nfsd3_proc_mknod(struct svc_rqst *rqstp) |
1da177e4 | 442 | { |
a6beb732 CH |
443 | struct nfsd3_mknodargs *argp = rqstp->rq_argp; |
444 | struct nfsd3_diropres *resp = rqstp->rq_resp; | |
7fe2a71d N |
445 | struct nfsd_attrs attrs = { |
446 | .na_iattr = &argp->attrs, | |
447 | }; | |
c4d987ba | 448 | int type; |
1da177e4 LT |
449 | dev_t rdev = 0; |
450 | ||
451 | dprintk("nfsd: MKNOD(3) %s %.*s\n", | |
452 | SVCFH_fmt(&argp->fh), | |
453 | argp->len, | |
454 | argp->name); | |
455 | ||
456 | fh_copy(&resp->dirfh, &argp->fh); | |
457 | fh_init(&resp->fh, NFS3_FHSIZE); | |
458 | ||
1da177e4 LT |
459 | if (argp->ftype == NF3CHR || argp->ftype == NF3BLK) { |
460 | rdev = MKDEV(argp->major, argp->minor); | |
461 | if (MAJOR(rdev) != argp->major || | |
14168d67 CL |
462 | MINOR(rdev) != argp->minor) { |
463 | resp->status = nfserr_inval; | |
464 | goto out; | |
465 | } | |
466 | } else if (argp->ftype != NF3SOCK && argp->ftype != NF3FIFO) { | |
66d60e3a | 467 | resp->status = nfserr_badtype; |
14168d67 CL |
468 | goto out; |
469 | } | |
1da177e4 LT |
470 | |
471 | type = nfs3_ftypes[argp->ftype]; | |
14168d67 | 472 | resp->status = nfsd_create(rqstp, &resp->dirfh, argp->name, argp->len, |
7fe2a71d | 473 | &attrs, type, rdev, &resp->fh); |
14168d67 | 474 | out: |
cc028a10 | 475 | return rpc_success; |
1da177e4 LT |
476 | } |
477 | ||
478 | /* | |
479 | * Remove file/fifo/socket etc. | |
480 | */ | |
7111c66e | 481 | static __be32 |
a6beb732 | 482 | nfsd3_proc_remove(struct svc_rqst *rqstp) |
1da177e4 | 483 | { |
a6beb732 CH |
484 | struct nfsd3_diropargs *argp = rqstp->rq_argp; |
485 | struct nfsd3_attrstat *resp = rqstp->rq_resp; | |
1da177e4 LT |
486 | |
487 | dprintk("nfsd: REMOVE(3) %s %.*s\n", | |
488 | SVCFH_fmt(&argp->fh), | |
489 | argp->len, | |
490 | argp->name); | |
491 | ||
492 | /* Unlink. -S_IFDIR means file must not be a directory */ | |
493 | fh_copy(&resp->fh, &argp->fh); | |
14168d67 CL |
494 | resp->status = nfsd_unlink(rqstp, &resp->fh, -S_IFDIR, |
495 | argp->name, argp->len); | |
cc028a10 | 496 | return rpc_success; |
1da177e4 LT |
497 | } |
498 | ||
499 | /* | |
500 | * Remove a directory | |
501 | */ | |
7111c66e | 502 | static __be32 |
a6beb732 | 503 | nfsd3_proc_rmdir(struct svc_rqst *rqstp) |
1da177e4 | 504 | { |
a6beb732 CH |
505 | struct nfsd3_diropargs *argp = rqstp->rq_argp; |
506 | struct nfsd3_attrstat *resp = rqstp->rq_resp; | |
1da177e4 LT |
507 | |
508 | dprintk("nfsd: RMDIR(3) %s %.*s\n", | |
509 | SVCFH_fmt(&argp->fh), | |
510 | argp->len, | |
511 | argp->name); | |
512 | ||
513 | fh_copy(&resp->fh, &argp->fh); | |
14168d67 CL |
514 | resp->status = nfsd_unlink(rqstp, &resp->fh, S_IFDIR, |
515 | argp->name, argp->len); | |
cc028a10 | 516 | return rpc_success; |
1da177e4 LT |
517 | } |
518 | ||
7111c66e | 519 | static __be32 |
a6beb732 | 520 | nfsd3_proc_rename(struct svc_rqst *rqstp) |
1da177e4 | 521 | { |
a6beb732 CH |
522 | struct nfsd3_renameargs *argp = rqstp->rq_argp; |
523 | struct nfsd3_renameres *resp = rqstp->rq_resp; | |
1da177e4 LT |
524 | |
525 | dprintk("nfsd: RENAME(3) %s %.*s ->\n", | |
526 | SVCFH_fmt(&argp->ffh), | |
527 | argp->flen, | |
528 | argp->fname); | |
529 | dprintk("nfsd: -> %s %.*s\n", | |
530 | SVCFH_fmt(&argp->tfh), | |
531 | argp->tlen, | |
532 | argp->tname); | |
533 | ||
534 | fh_copy(&resp->ffh, &argp->ffh); | |
535 | fh_copy(&resp->tfh, &argp->tfh); | |
14168d67 CL |
536 | resp->status = nfsd_rename(rqstp, &resp->ffh, argp->fname, argp->flen, |
537 | &resp->tfh, argp->tname, argp->tlen); | |
cc028a10 | 538 | return rpc_success; |
1da177e4 LT |
539 | } |
540 | ||
7111c66e | 541 | static __be32 |
a6beb732 | 542 | nfsd3_proc_link(struct svc_rqst *rqstp) |
1da177e4 | 543 | { |
a6beb732 CH |
544 | struct nfsd3_linkargs *argp = rqstp->rq_argp; |
545 | struct nfsd3_linkres *resp = rqstp->rq_resp; | |
1da177e4 LT |
546 | |
547 | dprintk("nfsd: LINK(3) %s ->\n", | |
548 | SVCFH_fmt(&argp->ffh)); | |
549 | dprintk("nfsd: -> %s %.*s\n", | |
550 | SVCFH_fmt(&argp->tfh), | |
551 | argp->tlen, | |
552 | argp->tname); | |
553 | ||
554 | fh_copy(&resp->fh, &argp->ffh); | |
555 | fh_copy(&resp->tfh, &argp->tfh); | |
14168d67 CL |
556 | resp->status = nfsd_link(rqstp, &resp->tfh, argp->tname, argp->tlen, |
557 | &resp->fh); | |
cc028a10 | 558 | return rpc_success; |
1da177e4 LT |
559 | } |
560 | ||
40116ebd CL |
561 | static void nfsd3_init_dirlist_pages(struct svc_rqst *rqstp, |
562 | struct nfsd3_readdirres *resp, | |
53b1119a | 563 | u32 count) |
40116ebd | 564 | { |
7f87fc2d CL |
565 | struct xdr_buf *buf = &resp->dirlist; |
566 | struct xdr_stream *xdr = &resp->xdr; | |
640f87c1 CL |
567 | unsigned int sendbuf = min_t(unsigned int, rqstp->rq_res.buflen, |
568 | svc_max_payload(rqstp)); | |
40116ebd | 569 | |
7f87fc2d | 570 | memset(buf, 0, sizeof(*buf)); |
40116ebd | 571 | |
7f87fc2d | 572 | /* Reserve room for the NULL ptr & eof flag (-2 words) */ |
640f87c1 CL |
573 | buf->buflen = clamp(count, (u32)(XDR_UNIT * 2), sendbuf); |
574 | buf->buflen -= XDR_UNIT * 2; | |
7f87fc2d | 575 | buf->pages = rqstp->rq_next_page; |
53b1119a | 576 | rqstp->rq_next_page += (buf->buflen + PAGE_SIZE - 1) >> PAGE_SHIFT; |
7f87fc2d | 577 | |
98124f5b | 578 | xdr_init_encode_pages(xdr, buf, buf->pages, NULL); |
40116ebd CL |
579 | } |
580 | ||
1da177e4 LT |
581 | /* |
582 | * Read a portion of a directory. | |
583 | */ | |
7111c66e | 584 | static __be32 |
a6beb732 | 585 | nfsd3_proc_readdir(struct svc_rqst *rqstp) |
1da177e4 | 586 | { |
a6beb732 CH |
587 | struct nfsd3_readdirargs *argp = rqstp->rq_argp; |
588 | struct nfsd3_readdirres *resp = rqstp->rq_resp; | |
0a8f37fb | 589 | loff_t offset; |
1da177e4 LT |
590 | |
591 | dprintk("nfsd: READDIR(3) %s %d bytes at %d\n", | |
592 | SVCFH_fmt(&argp->fh), | |
593 | argp->count, (u32) argp->cookie); | |
594 | ||
40116ebd | 595 | nfsd3_init_dirlist_pages(rqstp, resp, argp->count); |
1da177e4 | 596 | |
1da177e4 | 597 | fh_copy(&resp->fh, &argp->fh); |
1da177e4 | 598 | resp->common.err = nfs_ok; |
7f87fc2d | 599 | resp->cookie_offset = 0; |
1da177e4 | 600 | resp->rqstp = rqstp; |
0a8f37fb | 601 | offset = argp->cookie; |
0a8f37fb | 602 | resp->status = nfsd_readdir(rqstp, &resp->fh, &offset, |
7f87fc2d | 603 | &resp->common, nfs3svc_encode_entry3); |
1da177e4 | 604 | memcpy(resp->verf, argp->verf, 8); |
a161e6c7 | 605 | nfs3svc_encode_cookie3(resp, offset); |
1da177e4 | 606 | |
76ed0dd9 CL |
607 | /* Recycle only pages that were part of the reply */ |
608 | rqstp->rq_next_page = resp->xdr.page_ptr + 1; | |
609 | ||
cc028a10 | 610 | return rpc_success; |
1da177e4 LT |
611 | } |
612 | ||
613 | /* | |
614 | * Read a portion of a directory, including file handles and attrs. | |
615 | * For now, we choose to ignore the dircount parameter. | |
616 | */ | |
7111c66e | 617 | static __be32 |
a6beb732 | 618 | nfsd3_proc_readdirplus(struct svc_rqst *rqstp) |
1da177e4 | 619 | { |
a6beb732 CH |
620 | struct nfsd3_readdirargs *argp = rqstp->rq_argp; |
621 | struct nfsd3_readdirres *resp = rqstp->rq_resp; | |
1da177e4 | 622 | loff_t offset; |
1da177e4 LT |
623 | |
624 | dprintk("nfsd: READDIR+(3) %s %d bytes at %d\n", | |
625 | SVCFH_fmt(&argp->fh), | |
626 | argp->count, (u32) argp->cookie); | |
627 | ||
40116ebd | 628 | nfsd3_init_dirlist_pages(rqstp, resp, argp->count); |
1da177e4 | 629 | |
1da177e4 | 630 | fh_copy(&resp->fh, &argp->fh); |
1da177e4 | 631 | resp->common.err = nfs_ok; |
7f87fc2d | 632 | resp->cookie_offset = 0; |
1da177e4 LT |
633 | resp->rqstp = rqstp; |
634 | offset = argp->cookie; | |
18c01ab3 | 635 | |
14168d67 CL |
636 | resp->status = fh_verify(rqstp, &resp->fh, S_IFDIR, NFSD_MAY_NOP); |
637 | if (resp->status != nfs_ok) | |
638 | goto out; | |
18c01ab3 | 639 | |
14168d67 CL |
640 | if (resp->fh.fh_export->ex_flags & NFSEXP_NOREADDIRPLUS) { |
641 | resp->status = nfserr_notsupp; | |
642 | goto out; | |
643 | } | |
18c01ab3 | 644 | |
14168d67 | 645 | resp->status = nfsd_readdir(rqstp, &resp->fh, &offset, |
7f87fc2d | 646 | &resp->common, nfs3svc_encode_entryplus3); |
1da177e4 | 647 | memcpy(resp->verf, argp->verf, 8); |
a161e6c7 | 648 | nfs3svc_encode_cookie3(resp, offset); |
1da177e4 | 649 | |
76ed0dd9 CL |
650 | /* Recycle only pages that were part of the reply */ |
651 | rqstp->rq_next_page = resp->xdr.page_ptr + 1; | |
652 | ||
14168d67 | 653 | out: |
cc028a10 | 654 | return rpc_success; |
1da177e4 LT |
655 | } |
656 | ||
657 | /* | |
658 | * Get file system stats | |
659 | */ | |
7111c66e | 660 | static __be32 |
a6beb732 | 661 | nfsd3_proc_fsstat(struct svc_rqst *rqstp) |
1da177e4 | 662 | { |
a6beb732 CH |
663 | struct nfsd_fhandle *argp = rqstp->rq_argp; |
664 | struct nfsd3_fsstatres *resp = rqstp->rq_resp; | |
1da177e4 LT |
665 | |
666 | dprintk("nfsd: FSSTAT(3) %s\n", | |
667 | SVCFH_fmt(&argp->fh)); | |
668 | ||
14168d67 | 669 | resp->status = nfsd_statfs(rqstp, &argp->fh, &resp->stats, 0); |
1da177e4 | 670 | fh_put(&argp->fh); |
cc028a10 | 671 | return rpc_success; |
1da177e4 LT |
672 | } |
673 | ||
674 | /* | |
675 | * Get file system info | |
676 | */ | |
7111c66e | 677 | static __be32 |
a6beb732 | 678 | nfsd3_proc_fsinfo(struct svc_rqst *rqstp) |
1da177e4 | 679 | { |
a6beb732 CH |
680 | struct nfsd_fhandle *argp = rqstp->rq_argp; |
681 | struct nfsd3_fsinfores *resp = rqstp->rq_resp; | |
7adae489 | 682 | u32 max_blocksize = svc_max_payload(rqstp); |
1da177e4 LT |
683 | |
684 | dprintk("nfsd: FSINFO(3) %s\n", | |
685 | SVCFH_fmt(&argp->fh)); | |
686 | ||
7adae489 GB |
687 | resp->f_rtmax = max_blocksize; |
688 | resp->f_rtpref = max_blocksize; | |
1da177e4 | 689 | resp->f_rtmult = PAGE_SIZE; |
7adae489 GB |
690 | resp->f_wtmax = max_blocksize; |
691 | resp->f_wtpref = max_blocksize; | |
1da177e4 | 692 | resp->f_wtmult = PAGE_SIZE; |
f875a792 | 693 | resp->f_dtpref = max_blocksize; |
1da177e4 LT |
694 | resp->f_maxfilesize = ~(u32) 0; |
695 | resp->f_properties = NFS3_FSF_DEFAULT; | |
696 | ||
14168d67 CL |
697 | resp->status = fh_verify(rqstp, &argp->fh, 0, |
698 | NFSD_MAY_NOP | NFSD_MAY_BYPASS_GSS_ON_ROOT); | |
1da177e4 LT |
699 | |
700 | /* Check special features of the file system. May request | |
701 | * different read/write sizes for file systems known to have | |
702 | * problems with large blocks */ | |
14168d67 | 703 | if (resp->status == nfs_ok) { |
fc64005c | 704 | struct super_block *sb = argp->fh.fh_dentry->d_sb; |
1da177e4 LT |
705 | |
706 | /* Note that we don't care for remote fs's here */ | |
12214cb7 | 707 | if (sb->s_magic == MSDOS_SUPER_MAGIC) { |
1da177e4 LT |
708 | resp->f_properties = NFS3_FSF_BILLYBOY; |
709 | } | |
710 | resp->f_maxfilesize = sb->s_maxbytes; | |
711 | } | |
712 | ||
713 | fh_put(&argp->fh); | |
cc028a10 | 714 | return rpc_success; |
1da177e4 LT |
715 | } |
716 | ||
717 | /* | |
718 | * Get pathconf info for the specified file | |
719 | */ | |
7111c66e | 720 | static __be32 |
a6beb732 | 721 | nfsd3_proc_pathconf(struct svc_rqst *rqstp) |
1da177e4 | 722 | { |
a6beb732 CH |
723 | struct nfsd_fhandle *argp = rqstp->rq_argp; |
724 | struct nfsd3_pathconfres *resp = rqstp->rq_resp; | |
1da177e4 LT |
725 | |
726 | dprintk("nfsd: PATHCONF(3) %s\n", | |
727 | SVCFH_fmt(&argp->fh)); | |
728 | ||
729 | /* Set default pathconf */ | |
730 | resp->p_link_max = 255; /* at least */ | |
731 | resp->p_name_max = 255; /* at least */ | |
732 | resp->p_no_trunc = 0; | |
733 | resp->p_chown_restricted = 1; | |
734 | resp->p_case_insensitive = 0; | |
735 | resp->p_case_preserving = 1; | |
736 | ||
14168d67 | 737 | resp->status = fh_verify(rqstp, &argp->fh, 0, NFSD_MAY_NOP); |
1da177e4 | 738 | |
14168d67 | 739 | if (resp->status == nfs_ok) { |
fc64005c | 740 | struct super_block *sb = argp->fh.fh_dentry->d_sb; |
1da177e4 LT |
741 | |
742 | /* Note that we don't care for remote fs's here */ | |
743 | switch (sb->s_magic) { | |
744 | case EXT2_SUPER_MAGIC: | |
745 | resp->p_link_max = EXT2_LINK_MAX; | |
746 | resp->p_name_max = EXT2_NAME_LEN; | |
747 | break; | |
12214cb7 | 748 | case MSDOS_SUPER_MAGIC: |
1da177e4 LT |
749 | resp->p_case_insensitive = 1; |
750 | resp->p_case_preserving = 0; | |
751 | break; | |
752 | } | |
753 | } | |
754 | ||
755 | fh_put(&argp->fh); | |
cc028a10 | 756 | return rpc_success; |
1da177e4 LT |
757 | } |
758 | ||
1da177e4 LT |
759 | /* |
760 | * Commit a file (range) to stable storage. | |
761 | */ | |
7111c66e | 762 | static __be32 |
a6beb732 | 763 | nfsd3_proc_commit(struct svc_rqst *rqstp) |
1da177e4 | 764 | { |
a6beb732 CH |
765 | struct nfsd3_commitargs *argp = rqstp->rq_argp; |
766 | struct nfsd3_commitres *resp = rqstp->rq_resp; | |
c2528490 | 767 | struct nfsd_file *nf; |
1da177e4 LT |
768 | |
769 | dprintk("nfsd: COMMIT(3) %s %u@%Lu\n", | |
770 | SVCFH_fmt(&argp->fh), | |
771 | argp->count, | |
772 | (unsigned long long) argp->offset); | |
773 | ||
1da177e4 | 774 | fh_copy(&resp->fh, &argp->fh); |
4d1ea845 CL |
775 | resp->status = nfsd_file_acquire_gc(rqstp, &resp->fh, NFSD_MAY_WRITE | |
776 | NFSD_MAY_NOT_BREAK_LEASE, &nf); | |
c2528490 CL |
777 | if (resp->status) |
778 | goto out; | |
779 | resp->status = nfsd_commit(rqstp, &resp->fh, nf, argp->offset, | |
14168d67 | 780 | argp->count, resp->verf); |
c2528490 CL |
781 | nfsd_file_put(nf); |
782 | out: | |
cc028a10 | 783 | return rpc_success; |
1da177e4 LT |
784 | } |
785 | ||
786 | ||
787 | /* | |
788 | * NFSv3 Server procedures. | |
789 | * Only the results of non-idempotent operations are cached. | |
790 | */ | |
1da177e4 LT |
791 | #define nfs3svc_encode_attrstatres nfs3svc_encode_attrstat |
792 | #define nfs3svc_encode_wccstatres nfs3svc_encode_wccstat | |
793 | #define nfsd3_mkdirargs nfsd3_createargs | |
794 | #define nfsd3_readdirplusargs nfsd3_readdirargs | |
795 | #define nfsd3_fhandleargs nfsd_fhandle | |
1da177e4 LT |
796 | #define nfsd3_attrstatres nfsd3_attrstat |
797 | #define nfsd3_wccstatres nfsd3_attrstat | |
798 | #define nfsd3_createres nfsd3_diropres | |
1da177e4 | 799 | |
1da177e4 LT |
800 | #define ST 1 /* status*/ |
801 | #define FH 17 /* filehandle with length */ | |
802 | #define AT 21 /* attributes */ | |
803 | #define pAT (1+AT) /* post attributes - conditional */ | |
804 | #define WC (7+pAT) /* WCC attributes */ | |
805 | ||
860bda29 | 806 | static const struct svc_procedure nfsd_procedures3[22] = { |
b9081d90 | 807 | [NFS3PROC_NULL] = { |
a6beb732 | 808 | .pc_func = nfsd3_proc_null, |
788f7183 CL |
809 | .pc_decode = nfssvc_decode_voidarg, |
810 | .pc_encode = nfssvc_encode_voidres, | |
811 | .pc_argsize = sizeof(struct nfsd_voidargs), | |
103cc1fa | 812 | .pc_argzero = sizeof(struct nfsd_voidargs), |
788f7183 | 813 | .pc_ressize = sizeof(struct nfsd_voidres), |
b9081d90 YZ |
814 | .pc_cachetype = RC_NOCACHE, |
815 | .pc_xdrressize = ST, | |
2289e87b | 816 | .pc_name = "NULL", |
b9081d90 YZ |
817 | }, |
818 | [NFS3PROC_GETATTR] = { | |
a6beb732 | 819 | .pc_func = nfsd3_proc_getattr, |
026fec7e | 820 | .pc_decode = nfs3svc_decode_fhandleargs, |
2c42f804 | 821 | .pc_encode = nfs3svc_encode_getattrres, |
8537488b | 822 | .pc_release = nfs3svc_release_fhandle, |
9575363a | 823 | .pc_argsize = sizeof(struct nfsd_fhandle), |
103cc1fa | 824 | .pc_argzero = sizeof(struct nfsd_fhandle), |
b9081d90 YZ |
825 | .pc_ressize = sizeof(struct nfsd3_attrstatres), |
826 | .pc_cachetype = RC_NOCACHE, | |
827 | .pc_xdrressize = ST+AT, | |
2289e87b | 828 | .pc_name = "GETATTR", |
b9081d90 YZ |
829 | }, |
830 | [NFS3PROC_SETATTR] = { | |
a6beb732 | 831 | .pc_func = nfsd3_proc_setattr, |
026fec7e | 832 | .pc_decode = nfs3svc_decode_sattrargs, |
63f8de37 | 833 | .pc_encode = nfs3svc_encode_wccstatres, |
8537488b | 834 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 | 835 | .pc_argsize = sizeof(struct nfsd3_sattrargs), |
103cc1fa | 836 | .pc_argzero = sizeof(struct nfsd3_sattrargs), |
b9081d90 YZ |
837 | .pc_ressize = sizeof(struct nfsd3_wccstatres), |
838 | .pc_cachetype = RC_REPLBUFF, | |
839 | .pc_xdrressize = ST+WC, | |
2289e87b | 840 | .pc_name = "SETATTR", |
b9081d90 YZ |
841 | }, |
842 | [NFS3PROC_LOOKUP] = { | |
a6beb732 | 843 | .pc_func = nfsd3_proc_lookup, |
026fec7e | 844 | .pc_decode = nfs3svc_decode_diropargs, |
5cf35335 | 845 | .pc_encode = nfs3svc_encode_lookupres, |
8537488b | 846 | .pc_release = nfs3svc_release_fhandle2, |
b9081d90 | 847 | .pc_argsize = sizeof(struct nfsd3_diropargs), |
103cc1fa | 848 | .pc_argzero = sizeof(struct nfsd3_diropargs), |
b9081d90 YZ |
849 | .pc_ressize = sizeof(struct nfsd3_diropres), |
850 | .pc_cachetype = RC_NOCACHE, | |
851 | .pc_xdrressize = ST+FH+pAT+pAT, | |
2289e87b | 852 | .pc_name = "LOOKUP", |
b9081d90 YZ |
853 | }, |
854 | [NFS3PROC_ACCESS] = { | |
a6beb732 | 855 | .pc_func = nfsd3_proc_access, |
026fec7e | 856 | .pc_decode = nfs3svc_decode_accessargs, |
63f8de37 | 857 | .pc_encode = nfs3svc_encode_accessres, |
8537488b | 858 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 | 859 | .pc_argsize = sizeof(struct nfsd3_accessargs), |
103cc1fa | 860 | .pc_argzero = sizeof(struct nfsd3_accessargs), |
b9081d90 YZ |
861 | .pc_ressize = sizeof(struct nfsd3_accessres), |
862 | .pc_cachetype = RC_NOCACHE, | |
863 | .pc_xdrressize = ST+pAT+1, | |
2289e87b | 864 | .pc_name = "ACCESS", |
b9081d90 YZ |
865 | }, |
866 | [NFS3PROC_READLINK] = { | |
a6beb732 | 867 | .pc_func = nfsd3_proc_readlink, |
224c1c89 | 868 | .pc_decode = nfs3svc_decode_fhandleargs, |
63f8de37 | 869 | .pc_encode = nfs3svc_encode_readlinkres, |
8537488b | 870 | .pc_release = nfs3svc_release_fhandle, |
224c1c89 | 871 | .pc_argsize = sizeof(struct nfsd_fhandle), |
103cc1fa | 872 | .pc_argzero = sizeof(struct nfsd_fhandle), |
b9081d90 YZ |
873 | .pc_ressize = sizeof(struct nfsd3_readlinkres), |
874 | .pc_cachetype = RC_NOCACHE, | |
875 | .pc_xdrressize = ST+pAT+1+NFS3_MAXPATHLEN/4, | |
2289e87b | 876 | .pc_name = "READLINK", |
b9081d90 YZ |
877 | }, |
878 | [NFS3PROC_READ] = { | |
a6beb732 | 879 | .pc_func = nfsd3_proc_read, |
026fec7e | 880 | .pc_decode = nfs3svc_decode_readargs, |
63f8de37 | 881 | .pc_encode = nfs3svc_encode_readres, |
8537488b | 882 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 | 883 | .pc_argsize = sizeof(struct nfsd3_readargs), |
103cc1fa | 884 | .pc_argzero = sizeof(struct nfsd3_readargs), |
b9081d90 YZ |
885 | .pc_ressize = sizeof(struct nfsd3_readres), |
886 | .pc_cachetype = RC_NOCACHE, | |
887 | .pc_xdrressize = ST+pAT+4+NFSSVC_MAXBLKSIZE/4, | |
2289e87b | 888 | .pc_name = "READ", |
b9081d90 YZ |
889 | }, |
890 | [NFS3PROC_WRITE] = { | |
a6beb732 | 891 | .pc_func = nfsd3_proc_write, |
026fec7e | 892 | .pc_decode = nfs3svc_decode_writeargs, |
63f8de37 | 893 | .pc_encode = nfs3svc_encode_writeres, |
8537488b | 894 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 | 895 | .pc_argsize = sizeof(struct nfsd3_writeargs), |
103cc1fa | 896 | .pc_argzero = sizeof(struct nfsd3_writeargs), |
b9081d90 YZ |
897 | .pc_ressize = sizeof(struct nfsd3_writeres), |
898 | .pc_cachetype = RC_REPLBUFF, | |
899 | .pc_xdrressize = ST+WC+4, | |
2289e87b | 900 | .pc_name = "WRITE", |
b9081d90 YZ |
901 | }, |
902 | [NFS3PROC_CREATE] = { | |
a6beb732 | 903 | .pc_func = nfsd3_proc_create, |
026fec7e | 904 | .pc_decode = nfs3svc_decode_createargs, |
63f8de37 | 905 | .pc_encode = nfs3svc_encode_createres, |
8537488b | 906 | .pc_release = nfs3svc_release_fhandle2, |
b9081d90 | 907 | .pc_argsize = sizeof(struct nfsd3_createargs), |
103cc1fa | 908 | .pc_argzero = sizeof(struct nfsd3_createargs), |
b9081d90 YZ |
909 | .pc_ressize = sizeof(struct nfsd3_createres), |
910 | .pc_cachetype = RC_REPLBUFF, | |
911 | .pc_xdrressize = ST+(1+FH+pAT)+WC, | |
2289e87b | 912 | .pc_name = "CREATE", |
b9081d90 YZ |
913 | }, |
914 | [NFS3PROC_MKDIR] = { | |
a6beb732 | 915 | .pc_func = nfsd3_proc_mkdir, |
026fec7e | 916 | .pc_decode = nfs3svc_decode_mkdirargs, |
63f8de37 | 917 | .pc_encode = nfs3svc_encode_createres, |
8537488b | 918 | .pc_release = nfs3svc_release_fhandle2, |
b9081d90 | 919 | .pc_argsize = sizeof(struct nfsd3_mkdirargs), |
103cc1fa | 920 | .pc_argzero = sizeof(struct nfsd3_mkdirargs), |
b9081d90 YZ |
921 | .pc_ressize = sizeof(struct nfsd3_createres), |
922 | .pc_cachetype = RC_REPLBUFF, | |
923 | .pc_xdrressize = ST+(1+FH+pAT)+WC, | |
2289e87b | 924 | .pc_name = "MKDIR", |
b9081d90 YZ |
925 | }, |
926 | [NFS3PROC_SYMLINK] = { | |
a6beb732 | 927 | .pc_func = nfsd3_proc_symlink, |
026fec7e | 928 | .pc_decode = nfs3svc_decode_symlinkargs, |
63f8de37 | 929 | .pc_encode = nfs3svc_encode_createres, |
8537488b | 930 | .pc_release = nfs3svc_release_fhandle2, |
b9081d90 | 931 | .pc_argsize = sizeof(struct nfsd3_symlinkargs), |
103cc1fa | 932 | .pc_argzero = sizeof(struct nfsd3_symlinkargs), |
b9081d90 YZ |
933 | .pc_ressize = sizeof(struct nfsd3_createres), |
934 | .pc_cachetype = RC_REPLBUFF, | |
935 | .pc_xdrressize = ST+(1+FH+pAT)+WC, | |
2289e87b | 936 | .pc_name = "SYMLINK", |
b9081d90 YZ |
937 | }, |
938 | [NFS3PROC_MKNOD] = { | |
a6beb732 | 939 | .pc_func = nfsd3_proc_mknod, |
026fec7e | 940 | .pc_decode = nfs3svc_decode_mknodargs, |
63f8de37 | 941 | .pc_encode = nfs3svc_encode_createres, |
8537488b | 942 | .pc_release = nfs3svc_release_fhandle2, |
b9081d90 | 943 | .pc_argsize = sizeof(struct nfsd3_mknodargs), |
103cc1fa | 944 | .pc_argzero = sizeof(struct nfsd3_mknodargs), |
b9081d90 YZ |
945 | .pc_ressize = sizeof(struct nfsd3_createres), |
946 | .pc_cachetype = RC_REPLBUFF, | |
947 | .pc_xdrressize = ST+(1+FH+pAT)+WC, | |
2289e87b | 948 | .pc_name = "MKNOD", |
b9081d90 YZ |
949 | }, |
950 | [NFS3PROC_REMOVE] = { | |
a6beb732 | 951 | .pc_func = nfsd3_proc_remove, |
026fec7e | 952 | .pc_decode = nfs3svc_decode_diropargs, |
63f8de37 | 953 | .pc_encode = nfs3svc_encode_wccstatres, |
8537488b | 954 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 | 955 | .pc_argsize = sizeof(struct nfsd3_diropargs), |
103cc1fa | 956 | .pc_argzero = sizeof(struct nfsd3_diropargs), |
b9081d90 YZ |
957 | .pc_ressize = sizeof(struct nfsd3_wccstatres), |
958 | .pc_cachetype = RC_REPLBUFF, | |
959 | .pc_xdrressize = ST+WC, | |
2289e87b | 960 | .pc_name = "REMOVE", |
b9081d90 YZ |
961 | }, |
962 | [NFS3PROC_RMDIR] = { | |
a6beb732 | 963 | .pc_func = nfsd3_proc_rmdir, |
026fec7e | 964 | .pc_decode = nfs3svc_decode_diropargs, |
63f8de37 | 965 | .pc_encode = nfs3svc_encode_wccstatres, |
8537488b | 966 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 | 967 | .pc_argsize = sizeof(struct nfsd3_diropargs), |
103cc1fa | 968 | .pc_argzero = sizeof(struct nfsd3_diropargs), |
b9081d90 YZ |
969 | .pc_ressize = sizeof(struct nfsd3_wccstatres), |
970 | .pc_cachetype = RC_REPLBUFF, | |
971 | .pc_xdrressize = ST+WC, | |
2289e87b | 972 | .pc_name = "RMDIR", |
b9081d90 YZ |
973 | }, |
974 | [NFS3PROC_RENAME] = { | |
a6beb732 | 975 | .pc_func = nfsd3_proc_rename, |
026fec7e | 976 | .pc_decode = nfs3svc_decode_renameargs, |
63f8de37 | 977 | .pc_encode = nfs3svc_encode_renameres, |
8537488b | 978 | .pc_release = nfs3svc_release_fhandle2, |
b9081d90 | 979 | .pc_argsize = sizeof(struct nfsd3_renameargs), |
103cc1fa | 980 | .pc_argzero = sizeof(struct nfsd3_renameargs), |
b9081d90 YZ |
981 | .pc_ressize = sizeof(struct nfsd3_renameres), |
982 | .pc_cachetype = RC_REPLBUFF, | |
983 | .pc_xdrressize = ST+WC+WC, | |
2289e87b | 984 | .pc_name = "RENAME", |
b9081d90 YZ |
985 | }, |
986 | [NFS3PROC_LINK] = { | |
a6beb732 | 987 | .pc_func = nfsd3_proc_link, |
026fec7e | 988 | .pc_decode = nfs3svc_decode_linkargs, |
63f8de37 | 989 | .pc_encode = nfs3svc_encode_linkres, |
8537488b | 990 | .pc_release = nfs3svc_release_fhandle2, |
b9081d90 | 991 | .pc_argsize = sizeof(struct nfsd3_linkargs), |
103cc1fa | 992 | .pc_argzero = sizeof(struct nfsd3_linkargs), |
b9081d90 YZ |
993 | .pc_ressize = sizeof(struct nfsd3_linkres), |
994 | .pc_cachetype = RC_REPLBUFF, | |
995 | .pc_xdrressize = ST+pAT+WC, | |
2289e87b | 996 | .pc_name = "LINK", |
b9081d90 YZ |
997 | }, |
998 | [NFS3PROC_READDIR] = { | |
a6beb732 | 999 | .pc_func = nfsd3_proc_readdir, |
026fec7e | 1000 | .pc_decode = nfs3svc_decode_readdirargs, |
63f8de37 | 1001 | .pc_encode = nfs3svc_encode_readdirres, |
8537488b | 1002 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 | 1003 | .pc_argsize = sizeof(struct nfsd3_readdirargs), |
103cc1fa | 1004 | .pc_argzero = sizeof(struct nfsd3_readdirargs), |
b9081d90 YZ |
1005 | .pc_ressize = sizeof(struct nfsd3_readdirres), |
1006 | .pc_cachetype = RC_NOCACHE, | |
2289e87b | 1007 | .pc_name = "READDIR", |
b9081d90 YZ |
1008 | }, |
1009 | [NFS3PROC_READDIRPLUS] = { | |
a6beb732 | 1010 | .pc_func = nfsd3_proc_readdirplus, |
026fec7e | 1011 | .pc_decode = nfs3svc_decode_readdirplusargs, |
63f8de37 | 1012 | .pc_encode = nfs3svc_encode_readdirres, |
8537488b | 1013 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 | 1014 | .pc_argsize = sizeof(struct nfsd3_readdirplusargs), |
103cc1fa | 1015 | .pc_argzero = sizeof(struct nfsd3_readdirplusargs), |
b9081d90 YZ |
1016 | .pc_ressize = sizeof(struct nfsd3_readdirres), |
1017 | .pc_cachetype = RC_NOCACHE, | |
2289e87b | 1018 | .pc_name = "READDIRPLUS", |
b9081d90 YZ |
1019 | }, |
1020 | [NFS3PROC_FSSTAT] = { | |
a6beb732 | 1021 | .pc_func = nfsd3_proc_fsstat, |
026fec7e | 1022 | .pc_decode = nfs3svc_decode_fhandleargs, |
63f8de37 | 1023 | .pc_encode = nfs3svc_encode_fsstatres, |
b9081d90 | 1024 | .pc_argsize = sizeof(struct nfsd3_fhandleargs), |
103cc1fa | 1025 | .pc_argzero = sizeof(struct nfsd3_fhandleargs), |
b9081d90 YZ |
1026 | .pc_ressize = sizeof(struct nfsd3_fsstatres), |
1027 | .pc_cachetype = RC_NOCACHE, | |
1028 | .pc_xdrressize = ST+pAT+2*6+1, | |
2289e87b | 1029 | .pc_name = "FSSTAT", |
b9081d90 YZ |
1030 | }, |
1031 | [NFS3PROC_FSINFO] = { | |
a6beb732 | 1032 | .pc_func = nfsd3_proc_fsinfo, |
026fec7e | 1033 | .pc_decode = nfs3svc_decode_fhandleargs, |
63f8de37 | 1034 | .pc_encode = nfs3svc_encode_fsinfores, |
b9081d90 | 1035 | .pc_argsize = sizeof(struct nfsd3_fhandleargs), |
103cc1fa | 1036 | .pc_argzero = sizeof(struct nfsd3_fhandleargs), |
b9081d90 YZ |
1037 | .pc_ressize = sizeof(struct nfsd3_fsinfores), |
1038 | .pc_cachetype = RC_NOCACHE, | |
1039 | .pc_xdrressize = ST+pAT+12, | |
2289e87b | 1040 | .pc_name = "FSINFO", |
b9081d90 YZ |
1041 | }, |
1042 | [NFS3PROC_PATHCONF] = { | |
a6beb732 | 1043 | .pc_func = nfsd3_proc_pathconf, |
026fec7e | 1044 | .pc_decode = nfs3svc_decode_fhandleargs, |
63f8de37 | 1045 | .pc_encode = nfs3svc_encode_pathconfres, |
b9081d90 | 1046 | .pc_argsize = sizeof(struct nfsd3_fhandleargs), |
103cc1fa | 1047 | .pc_argzero = sizeof(struct nfsd3_fhandleargs), |
b9081d90 YZ |
1048 | .pc_ressize = sizeof(struct nfsd3_pathconfres), |
1049 | .pc_cachetype = RC_NOCACHE, | |
1050 | .pc_xdrressize = ST+pAT+6, | |
2289e87b | 1051 | .pc_name = "PATHCONF", |
b9081d90 YZ |
1052 | }, |
1053 | [NFS3PROC_COMMIT] = { | |
a6beb732 | 1054 | .pc_func = nfsd3_proc_commit, |
026fec7e | 1055 | .pc_decode = nfs3svc_decode_commitargs, |
63f8de37 | 1056 | .pc_encode = nfs3svc_encode_commitres, |
8537488b | 1057 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 | 1058 | .pc_argsize = sizeof(struct nfsd3_commitargs), |
103cc1fa | 1059 | .pc_argzero = sizeof(struct nfsd3_commitargs), |
b9081d90 YZ |
1060 | .pc_ressize = sizeof(struct nfsd3_commitres), |
1061 | .pc_cachetype = RC_NOCACHE, | |
1062 | .pc_xdrressize = ST+WC+2, | |
2289e87b | 1063 | .pc_name = "COMMIT", |
b9081d90 | 1064 | }, |
1da177e4 LT |
1065 | }; |
1066 | ||
65ba3d24 CL |
1067 | static DEFINE_PER_CPU_ALIGNED(unsigned long, |
1068 | nfsd_count3[ARRAY_SIZE(nfsd_procedures3)]); | |
e9679189 CH |
1069 | const struct svc_version nfsd_version3 = { |
1070 | .vs_vers = 3, | |
65ba3d24 | 1071 | .vs_nproc = ARRAY_SIZE(nfsd_procedures3), |
e9679189 CH |
1072 | .vs_proc = nfsd_procedures3, |
1073 | .vs_dispatch = nfsd_dispatch, | |
1074 | .vs_count = nfsd_count3, | |
1075 | .vs_xdrsize = NFS3_SVC_XDRSIZE, | |
1da177e4 | 1076 | }; |