4 * Client-side XDR for NFSv4.
6 * Copyright (c) 2002 The Regents of the University of Michigan.
9 * Kendrick Smith <kmsmith@umich.edu>
10 * Andy Adamson <andros@umich.edu>
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the University nor the names of its
22 * contributors may be used to endorse or promote products derived
23 * from this software without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
26 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
27 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
28 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
32 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
33 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
34 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
35 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 #include <linux/param.h>
39 #include <linux/time.h>
41 #include <linux/slab.h>
42 #include <linux/utsname.h>
43 #include <linux/errno.h>
44 #include <linux/string.h>
46 #include <linux/pagemap.h>
47 #include <linux/proc_fs.h>
48 #include <linux/kdev_t.h>
49 #include <linux/sunrpc/clnt.h>
50 #include <linux/nfs.h>
51 #include <linux/nfs4.h>
52 #include <linux/nfs_fs.h>
53 #include <linux/nfs_idmap.h>
56 #define NFSDBG_FACILITY NFSDBG_XDR
58 /* Mapping from NFS error code to "errno" error code. */
59 #define errno_NFSERR_IO EIO
61 static int nfs4_stat_to_errno(int);
63 /* NFSv4 COMPOUND tags are only wanted for debugging purposes */
65 #define NFS4_MAXTAGLEN 20
67 #define NFS4_MAXTAGLEN 0
70 /* lock,open owner id:
71 * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2)
73 #define open_owner_id_maxsz (1 + 4)
74 #define lock_owner_id_maxsz (1 + 4)
75 #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2))
76 #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2))
77 #define op_encode_hdr_maxsz (1)
78 #define op_decode_hdr_maxsz (2)
79 #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \
81 #define decode_putfh_maxsz (op_decode_hdr_maxsz)
82 #define encode_putrootfh_maxsz (op_encode_hdr_maxsz)
83 #define decode_putrootfh_maxsz (op_decode_hdr_maxsz)
84 #define encode_getfh_maxsz (op_encode_hdr_maxsz)
85 #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \
86 ((3+NFS4_FHSIZE) >> 2))
87 #define nfs4_fattr_bitmap_maxsz 3
88 #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz)
89 #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2))
90 #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2))
91 #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ))
92 #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ))
93 /* This is based on getfattr, which uses the most attributes: */
94 #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \
95 3 + 3 + 3 + nfs4_owner_maxsz + nfs4_group_maxsz))
96 #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \
97 nfs4_fattr_value_maxsz)
98 #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz)
99 #define encode_savefh_maxsz (op_encode_hdr_maxsz)
100 #define decode_savefh_maxsz (op_decode_hdr_maxsz)
101 #define encode_restorefh_maxsz (op_encode_hdr_maxsz)
102 #define decode_restorefh_maxsz (op_decode_hdr_maxsz)
103 #define encode_fsinfo_maxsz (op_encode_hdr_maxsz + 2)
104 #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + 11)
105 #define encode_renew_maxsz (op_encode_hdr_maxsz + 3)
106 #define decode_renew_maxsz (op_decode_hdr_maxsz)
107 #define encode_setclientid_maxsz \
108 (op_encode_hdr_maxsz + \
109 4 /*server->ip_addr*/ + \
112 6 + (NFS4_VERIFIER_SIZE >> 2))
113 #define decode_setclientid_maxsz \
114 (op_decode_hdr_maxsz + \
116 1024) /* large value for CLID_INUSE */
117 #define encode_setclientid_confirm_maxsz \
118 (op_encode_hdr_maxsz + \
119 3 + (NFS4_VERIFIER_SIZE >> 2))
120 #define decode_setclientid_confirm_maxsz \
121 (op_decode_hdr_maxsz)
122 #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz)
123 #define decode_lookup_maxsz (op_decode_hdr_maxsz)
124 #define encode_share_access_maxsz \
126 #define encode_createmode_maxsz (1 + nfs4_fattr_maxsz)
127 #define encode_opentype_maxsz (1 + encode_createmode_maxsz)
128 #define encode_claim_null_maxsz (1 + nfs4_name_maxsz)
129 #define encode_open_maxsz (op_encode_hdr_maxsz + \
130 2 + encode_share_access_maxsz + 2 + \
131 open_owner_id_maxsz + \
132 encode_opentype_maxsz + \
133 encode_claim_null_maxsz)
134 #define decode_ace_maxsz (3 + nfs4_owner_maxsz)
135 #define decode_delegation_maxsz (1 + XDR_QUADLEN(NFS4_STATEID_SIZE) + 1 + \
137 #define decode_change_info_maxsz (5)
138 #define decode_open_maxsz (op_decode_hdr_maxsz + \
139 XDR_QUADLEN(NFS4_STATEID_SIZE) + \
140 decode_change_info_maxsz + 1 + \
141 nfs4_fattr_bitmap_maxsz + \
142 decode_delegation_maxsz)
143 #define encode_remove_maxsz (op_encode_hdr_maxsz + \
145 #define encode_rename_maxsz (op_encode_hdr_maxsz + \
147 #define decode_rename_maxsz (op_decode_hdr_maxsz + 5 + 5)
148 #define encode_link_maxsz (op_encode_hdr_maxsz + \
150 #define decode_link_maxsz (op_decode_hdr_maxsz + 5)
151 #define encode_symlink_maxsz (op_encode_hdr_maxsz + \
152 1 + nfs4_name_maxsz + \
155 #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8)
156 #define encode_create_maxsz (op_encode_hdr_maxsz + \
157 2 + nfs4_name_maxsz + \
159 #define decode_create_maxsz (op_decode_hdr_maxsz + \
160 decode_change_info_maxsz + \
161 nfs4_fattr_bitmap_maxsz)
162 #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4)
163 #define decode_delegreturn_maxsz (op_decode_hdr_maxsz)
164 #define encode_fs_locations_maxsz \
165 (encode_getattr_maxsz)
166 #define decode_fs_locations_maxsz \
168 #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */
169 #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */
170 #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \
171 encode_putfh_maxsz + \
172 op_encode_hdr_maxsz + 7)
173 #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \
174 decode_putfh_maxsz + \
175 op_decode_hdr_maxsz + 2)
176 #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \
177 encode_putfh_maxsz + \
179 #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \
180 decode_putfh_maxsz + \
182 #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \
183 encode_putfh_maxsz + \
184 op_encode_hdr_maxsz + 9)
185 #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \
186 decode_putfh_maxsz + \
187 op_decode_hdr_maxsz + 2)
188 #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \
189 encode_putfh_maxsz + \
190 op_encode_hdr_maxsz + 8 + \
191 encode_getattr_maxsz)
192 #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \
193 decode_putfh_maxsz + \
194 op_decode_hdr_maxsz + 4 + \
195 decode_getattr_maxsz)
196 #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \
197 encode_putfh_maxsz + \
198 op_encode_hdr_maxsz + 3 + \
199 encode_getattr_maxsz)
200 #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \
201 decode_putfh_maxsz + \
202 op_decode_hdr_maxsz + 2 + \
203 decode_getattr_maxsz)
204 #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \
205 encode_putfh_maxsz + \
206 encode_savefh_maxsz + \
207 encode_open_maxsz + \
208 encode_getfh_maxsz + \
209 encode_getattr_maxsz + \
210 encode_restorefh_maxsz + \
211 encode_getattr_maxsz)
212 #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \
213 decode_putfh_maxsz + \
214 decode_savefh_maxsz + \
215 decode_open_maxsz + \
216 decode_getfh_maxsz + \
217 decode_getattr_maxsz + \
218 decode_restorefh_maxsz + \
219 decode_getattr_maxsz)
220 #define NFS4_enc_open_confirm_sz \
221 (compound_encode_hdr_maxsz + \
222 encode_putfh_maxsz + \
223 op_encode_hdr_maxsz + 5)
224 #define NFS4_dec_open_confirm_sz (compound_decode_hdr_maxsz + \
225 decode_putfh_maxsz + \
226 op_decode_hdr_maxsz + 4)
227 #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \
228 encode_putfh_maxsz + \
229 encode_open_maxsz + \
230 encode_getattr_maxsz)
231 #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \
232 decode_putfh_maxsz + \
233 decode_open_maxsz + \
234 decode_getattr_maxsz)
235 #define NFS4_enc_open_downgrade_sz \
236 (compound_encode_hdr_maxsz + \
237 encode_putfh_maxsz + \
238 op_encode_hdr_maxsz + 7 + \
239 encode_getattr_maxsz)
240 #define NFS4_dec_open_downgrade_sz \
241 (compound_decode_hdr_maxsz + \
242 decode_putfh_maxsz + \
243 op_decode_hdr_maxsz + 4 + \
244 decode_getattr_maxsz)
245 #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \
246 encode_putfh_maxsz + \
247 op_encode_hdr_maxsz + 5 + \
248 encode_getattr_maxsz)
249 #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \
250 decode_putfh_maxsz + \
251 op_decode_hdr_maxsz + 4 + \
252 decode_getattr_maxsz)
253 #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \
254 encode_putfh_maxsz + \
255 op_encode_hdr_maxsz + 4 + \
257 encode_getattr_maxsz)
258 #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \
259 decode_putfh_maxsz + \
260 op_decode_hdr_maxsz + 3 + \
262 #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \
263 encode_putfh_maxsz + \
265 #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \
266 decode_putfh_maxsz + \
268 #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \
270 #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \
272 #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \
273 encode_setclientid_maxsz)
274 #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \
275 decode_setclientid_maxsz)
276 #define NFS4_enc_setclientid_confirm_sz \
277 (compound_encode_hdr_maxsz + \
278 encode_setclientid_confirm_maxsz + \
279 encode_putrootfh_maxsz + \
281 #define NFS4_dec_setclientid_confirm_sz \
282 (compound_decode_hdr_maxsz + \
283 decode_setclientid_confirm_maxsz + \
284 decode_putrootfh_maxsz + \
286 #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \
287 encode_putfh_maxsz + \
288 encode_getattr_maxsz + \
289 op_encode_hdr_maxsz + \
293 #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \
294 decode_putfh_maxsz + \
295 decode_getattr_maxsz + \
296 op_decode_hdr_maxsz + \
299 #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \
300 encode_putfh_maxsz + \
301 encode_getattr_maxsz + \
302 op_encode_hdr_maxsz + \
305 #define NFS4_dec_lockt_sz (NFS4_dec_lock_sz)
306 #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \
307 encode_putfh_maxsz + \
308 encode_getattr_maxsz + \
309 op_encode_hdr_maxsz + \
311 #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \
312 decode_putfh_maxsz + \
313 decode_getattr_maxsz + \
314 op_decode_hdr_maxsz + 4)
315 #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \
316 encode_putfh_maxsz + \
317 op_encode_hdr_maxsz + 1)
318 #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \
319 decode_putfh_maxsz + \
320 op_decode_hdr_maxsz + 2)
321 #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \
322 encode_putfh_maxsz + \
323 encode_getattr_maxsz)
324 #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \
325 decode_putfh_maxsz + \
326 decode_getattr_maxsz)
327 #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \
328 encode_putfh_maxsz + \
329 encode_lookup_maxsz + \
330 encode_getattr_maxsz + \
332 #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \
333 decode_putfh_maxsz + \
334 decode_lookup_maxsz + \
335 decode_getattr_maxsz + \
337 #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \
338 encode_putrootfh_maxsz + \
339 encode_getattr_maxsz + \
341 #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \
342 decode_putrootfh_maxsz + \
343 decode_getattr_maxsz + \
345 #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \
346 encode_putfh_maxsz + \
347 encode_remove_maxsz + \
348 encode_getattr_maxsz)
349 #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \
350 decode_putfh_maxsz + \
351 op_decode_hdr_maxsz + 5 + \
352 decode_getattr_maxsz)
353 #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \
354 encode_putfh_maxsz + \
355 encode_savefh_maxsz + \
356 encode_putfh_maxsz + \
357 encode_rename_maxsz + \
358 encode_getattr_maxsz + \
359 encode_restorefh_maxsz + \
360 encode_getattr_maxsz)
361 #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \
362 decode_putfh_maxsz + \
363 decode_savefh_maxsz + \
364 decode_putfh_maxsz + \
365 decode_rename_maxsz + \
366 decode_getattr_maxsz + \
367 decode_restorefh_maxsz + \
368 decode_getattr_maxsz)
369 #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \
370 encode_putfh_maxsz + \
371 encode_savefh_maxsz + \
372 encode_putfh_maxsz + \
373 encode_link_maxsz + \
374 decode_getattr_maxsz + \
375 encode_restorefh_maxsz + \
376 decode_getattr_maxsz)
377 #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \
378 decode_putfh_maxsz + \
379 decode_savefh_maxsz + \
380 decode_putfh_maxsz + \
381 decode_link_maxsz + \
382 decode_getattr_maxsz + \
383 decode_restorefh_maxsz + \
384 decode_getattr_maxsz)
385 #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \
386 encode_putfh_maxsz + \
387 encode_symlink_maxsz + \
388 encode_getattr_maxsz + \
390 #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \
391 decode_putfh_maxsz + \
392 decode_symlink_maxsz + \
393 decode_getattr_maxsz + \
395 #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \
396 encode_putfh_maxsz + \
397 encode_savefh_maxsz + \
398 encode_create_maxsz + \
399 encode_getfh_maxsz + \
400 encode_getattr_maxsz + \
401 encode_restorefh_maxsz + \
402 encode_getattr_maxsz)
403 #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \
404 decode_putfh_maxsz + \
405 decode_savefh_maxsz + \
406 decode_create_maxsz + \
407 decode_getfh_maxsz + \
408 decode_getattr_maxsz + \
409 decode_restorefh_maxsz + \
410 decode_getattr_maxsz)
411 #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \
412 encode_putfh_maxsz + \
413 encode_getattr_maxsz)
414 #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \
415 decode_putfh_maxsz + \
416 decode_getattr_maxsz)
417 #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \
418 encode_putfh_maxsz + \
419 encode_getattr_maxsz)
420 #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \
421 decode_putfh_maxsz + \
422 op_decode_hdr_maxsz + 12)
423 #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \
424 encode_putfh_maxsz + \
425 encode_getattr_maxsz)
426 #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \
427 decode_putfh_maxsz + \
428 decode_getattr_maxsz)
429 #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \
430 encode_putfh_maxsz + \
431 encode_delegreturn_maxsz + \
432 encode_getattr_maxsz)
433 #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \
434 decode_delegreturn_maxsz + \
435 decode_getattr_maxsz)
436 #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \
437 encode_putfh_maxsz + \
438 encode_getattr_maxsz)
439 #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \
440 decode_putfh_maxsz + \
441 op_decode_hdr_maxsz + \
442 nfs4_fattr_bitmap_maxsz + 1)
443 #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \
444 encode_putfh_maxsz + \
445 op_encode_hdr_maxsz + 4 + \
446 nfs4_fattr_bitmap_maxsz + 1)
447 #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \
448 decode_putfh_maxsz + \
449 op_decode_hdr_maxsz + nfs4_fattr_bitmap_maxsz)
450 #define NFS4_enc_fs_locations_sz \
451 (compound_encode_hdr_maxsz + \
452 encode_putfh_maxsz + \
453 encode_lookup_maxsz + \
454 encode_fs_locations_maxsz)
455 #define NFS4_dec_fs_locations_sz \
456 (compound_decode_hdr_maxsz + \
457 decode_putfh_maxsz + \
458 decode_lookup_maxsz + \
459 decode_fs_locations_maxsz)
463 unsigned int nfs2type
;
471 { S_IFSOCK
, NFSOCK
},
477 struct compound_hdr
{
485 * START OF "GENERIC" ENCODE ROUTINES.
486 * These may look a little ugly since they are imported from a "generic"
487 * set of XDR encode/decode routines which are intended to be shared by
488 * all of our NFSv4 implementations (OpenBSD, MacOS X...).
490 * If the pain of reading these is too great, it should be a straightforward
491 * task to translate them into Linux-specific versions which are more
492 * consistent with the style used in NFSv2/v3...
494 #define WRITE32(n) *p++ = htonl(n)
495 #define WRITE64(n) do { \
496 *p++ = htonl((uint32_t)((n) >> 32)); \
497 *p++ = htonl((uint32_t)(n)); \
499 #define WRITEMEM(ptr,nbytes) do { \
500 p = xdr_encode_opaque_fixed(p, ptr, nbytes); \
503 #define RESERVE_SPACE(nbytes) do { \
504 p = xdr_reserve_space(xdr, nbytes); \
505 if (!p) printk("RESERVE_SPACE(%d) failed in function %s\n", (int) (nbytes), __FUNCTION__); \
509 static void encode_string(struct xdr_stream
*xdr
, unsigned int len
, const char *str
)
513 p
= xdr_reserve_space(xdr
, 4 + len
);
515 xdr_encode_opaque(p
, str
, len
);
518 static int encode_compound_hdr(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
522 dprintk("encode_compound: tag=%.*s\n", (int)hdr
->taglen
, hdr
->tag
);
523 BUG_ON(hdr
->taglen
> NFS4_MAXTAGLEN
);
524 RESERVE_SPACE(12+(XDR_QUADLEN(hdr
->taglen
)<<2));
525 WRITE32(hdr
->taglen
);
526 WRITEMEM(hdr
->tag
, hdr
->taglen
);
527 WRITE32(NFS4_MINOR_VERSION
);
532 static void encode_nfs4_verifier(struct xdr_stream
*xdr
, const nfs4_verifier
*verf
)
536 p
= xdr_reserve_space(xdr
, NFS4_VERIFIER_SIZE
);
538 xdr_encode_opaque_fixed(p
, verf
->data
, NFS4_VERIFIER_SIZE
);
541 static int encode_attrs(struct xdr_stream
*xdr
, const struct iattr
*iap
, const struct nfs_server
*server
)
543 char owner_name
[IDMAP_NAMESZ
];
544 char owner_group
[IDMAP_NAMESZ
];
545 int owner_namelen
= 0;
546 int owner_grouplen
= 0;
555 * We reserve enough space to write the entire attribute buffer at once.
556 * In the worst-case, this would be
557 * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime)
558 * = 36 bytes, plus any contribution from variable-length fields
559 * such as owner/group.
564 if (iap
->ia_valid
& ATTR_SIZE
)
566 if (iap
->ia_valid
& ATTR_MODE
)
568 if (iap
->ia_valid
& ATTR_UID
) {
569 owner_namelen
= nfs_map_uid_to_name(server
->nfs_client
, iap
->ia_uid
, owner_name
);
570 if (owner_namelen
< 0) {
571 printk(KERN_WARNING
"nfs: couldn't resolve uid %d to string\n",
574 strcpy(owner_name
, "nobody");
575 owner_namelen
= sizeof("nobody") - 1;
578 len
+= 4 + (XDR_QUADLEN(owner_namelen
) << 2);
580 if (iap
->ia_valid
& ATTR_GID
) {
581 owner_grouplen
= nfs_map_gid_to_group(server
->nfs_client
, iap
->ia_gid
, owner_group
);
582 if (owner_grouplen
< 0) {
583 printk(KERN_WARNING
"nfs4: couldn't resolve gid %d to string\n",
585 strcpy(owner_group
, "nobody");
586 owner_grouplen
= sizeof("nobody") - 1;
589 len
+= 4 + (XDR_QUADLEN(owner_grouplen
) << 2);
591 if (iap
->ia_valid
& ATTR_ATIME_SET
)
593 else if (iap
->ia_valid
& ATTR_ATIME
)
595 if (iap
->ia_valid
& ATTR_MTIME_SET
)
597 else if (iap
->ia_valid
& ATTR_MTIME
)
602 * We write the bitmap length now, but leave the bitmap and the attribute
603 * buffer length to be backfilled at the end of this routine.
609 if (iap
->ia_valid
& ATTR_SIZE
) {
610 bmval0
|= FATTR4_WORD0_SIZE
;
611 WRITE64(iap
->ia_size
);
613 if (iap
->ia_valid
& ATTR_MODE
) {
614 bmval1
|= FATTR4_WORD1_MODE
;
615 WRITE32(iap
->ia_mode
& S_IALLUGO
);
617 if (iap
->ia_valid
& ATTR_UID
) {
618 bmval1
|= FATTR4_WORD1_OWNER
;
619 WRITE32(owner_namelen
);
620 WRITEMEM(owner_name
, owner_namelen
);
622 if (iap
->ia_valid
& ATTR_GID
) {
623 bmval1
|= FATTR4_WORD1_OWNER_GROUP
;
624 WRITE32(owner_grouplen
);
625 WRITEMEM(owner_group
, owner_grouplen
);
627 if (iap
->ia_valid
& ATTR_ATIME_SET
) {
628 bmval1
|= FATTR4_WORD1_TIME_ACCESS_SET
;
629 WRITE32(NFS4_SET_TO_CLIENT_TIME
);
631 WRITE32(iap
->ia_mtime
.tv_sec
);
632 WRITE32(iap
->ia_mtime
.tv_nsec
);
634 else if (iap
->ia_valid
& ATTR_ATIME
) {
635 bmval1
|= FATTR4_WORD1_TIME_ACCESS_SET
;
636 WRITE32(NFS4_SET_TO_SERVER_TIME
);
638 if (iap
->ia_valid
& ATTR_MTIME_SET
) {
639 bmval1
|= FATTR4_WORD1_TIME_MODIFY_SET
;
640 WRITE32(NFS4_SET_TO_CLIENT_TIME
);
642 WRITE32(iap
->ia_mtime
.tv_sec
);
643 WRITE32(iap
->ia_mtime
.tv_nsec
);
645 else if (iap
->ia_valid
& ATTR_MTIME
) {
646 bmval1
|= FATTR4_WORD1_TIME_MODIFY_SET
;
647 WRITE32(NFS4_SET_TO_SERVER_TIME
);
651 * Now we backfill the bitmap and the attribute buffer length.
653 if (len
!= ((char *)p
- (char *)q
) + 4) {
654 printk ("encode_attr: Attr length calculation error! %u != %Zu\n",
655 len
, ((char *)p
- (char *)q
) + 4);
658 len
= (char *)p
- (char *)q
- 12;
659 *q
++ = htonl(bmval0
);
660 *q
++ = htonl(bmval1
);
668 static int encode_access(struct xdr_stream
*xdr
, u32 access
)
679 static int encode_close(struct xdr_stream
*xdr
, const struct nfs_closeargs
*arg
)
683 RESERVE_SPACE(8+NFS4_STATEID_SIZE
);
685 WRITE32(arg
->seqid
->sequence
->counter
);
686 WRITEMEM(arg
->stateid
->data
, NFS4_STATEID_SIZE
);
691 static int encode_commit(struct xdr_stream
*xdr
, const struct nfs_writeargs
*args
)
697 WRITE64(args
->offset
);
698 WRITE32(args
->count
);
703 static int encode_create(struct xdr_stream
*xdr
, const struct nfs4_create_arg
*create
)
709 WRITE32(create
->ftype
);
711 switch (create
->ftype
) {
714 WRITE32(create
->u
.symlink
.len
);
715 xdr_write_pages(xdr
, create
->u
.symlink
.pages
, 0, create
->u
.symlink
.len
);
718 case NF4BLK
: case NF4CHR
:
720 WRITE32(create
->u
.device
.specdata1
);
721 WRITE32(create
->u
.device
.specdata2
);
728 RESERVE_SPACE(4 + create
->name
->len
);
729 WRITE32(create
->name
->len
);
730 WRITEMEM(create
->name
->name
, create
->name
->len
);
732 return encode_attrs(xdr
, create
->attrs
, create
->server
);
735 static int encode_getattr_one(struct xdr_stream
*xdr
, uint32_t bitmap
)
746 static int encode_getattr_two(struct xdr_stream
*xdr
, uint32_t bm0
, uint32_t bm1
)
758 static int encode_getfattr(struct xdr_stream
*xdr
, const u32
* bitmask
)
760 return encode_getattr_two(xdr
,
761 bitmask
[0] & nfs4_fattr_bitmap
[0],
762 bitmask
[1] & nfs4_fattr_bitmap
[1]);
765 static int encode_fsinfo(struct xdr_stream
*xdr
, const u32
* bitmask
)
767 return encode_getattr_two(xdr
, bitmask
[0] & nfs4_fsinfo_bitmap
[0],
768 bitmask
[1] & nfs4_fsinfo_bitmap
[1]);
771 static int encode_fs_locations(struct xdr_stream
*xdr
, const u32
* bitmask
)
773 return encode_getattr_two(xdr
,
774 bitmask
[0] & nfs4_fs_locations_bitmap
[0],
775 bitmask
[1] & nfs4_fs_locations_bitmap
[1]);
778 static int encode_getfh(struct xdr_stream
*xdr
)
788 static int encode_link(struct xdr_stream
*xdr
, const struct qstr
*name
)
792 RESERVE_SPACE(8 + name
->len
);
795 WRITEMEM(name
->name
, name
->len
);
800 static inline int nfs4_lock_type(struct file_lock
*fl
, int block
)
802 if ((fl
->fl_type
& (F_RDLCK
|F_WRLCK
|F_UNLCK
)) == F_RDLCK
)
803 return block
? NFS4_READW_LT
: NFS4_READ_LT
;
804 return block
? NFS4_WRITEW_LT
: NFS4_WRITE_LT
;
807 static inline uint64_t nfs4_lock_length(struct file_lock
*fl
)
809 if (fl
->fl_end
== OFFSET_MAX
)
811 return fl
->fl_end
- fl
->fl_start
+ 1;
815 * opcode,type,reclaim,offset,length,new_lock_owner = 32
816 * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40
818 static int encode_lock(struct xdr_stream
*xdr
, const struct nfs_lock_args
*args
)
824 WRITE32(nfs4_lock_type(args
->fl
, args
->block
));
825 WRITE32(args
->reclaim
);
826 WRITE64(args
->fl
->fl_start
);
827 WRITE64(nfs4_lock_length(args
->fl
));
828 WRITE32(args
->new_lock_owner
);
829 if (args
->new_lock_owner
){
830 RESERVE_SPACE(4+NFS4_STATEID_SIZE
+32);
831 WRITE32(args
->open_seqid
->sequence
->counter
);
832 WRITEMEM(args
->open_stateid
->data
, NFS4_STATEID_SIZE
);
833 WRITE32(args
->lock_seqid
->sequence
->counter
);
834 WRITE64(args
->lock_owner
.clientid
);
836 WRITEMEM("lock id:", 8);
837 WRITE64(args
->lock_owner
.id
);
840 RESERVE_SPACE(NFS4_STATEID_SIZE
+4);
841 WRITEMEM(args
->lock_stateid
->data
, NFS4_STATEID_SIZE
);
842 WRITE32(args
->lock_seqid
->sequence
->counter
);
848 static int encode_lockt(struct xdr_stream
*xdr
, const struct nfs_lockt_args
*args
)
854 WRITE32(nfs4_lock_type(args
->fl
, 0));
855 WRITE64(args
->fl
->fl_start
);
856 WRITE64(nfs4_lock_length(args
->fl
));
857 WRITE64(args
->lock_owner
.clientid
);
859 WRITEMEM("lock id:", 8);
860 WRITE64(args
->lock_owner
.id
);
865 static int encode_locku(struct xdr_stream
*xdr
, const struct nfs_locku_args
*args
)
869 RESERVE_SPACE(12+NFS4_STATEID_SIZE
+16);
871 WRITE32(nfs4_lock_type(args
->fl
, 0));
872 WRITE32(args
->seqid
->sequence
->counter
);
873 WRITEMEM(args
->stateid
->data
, NFS4_STATEID_SIZE
);
874 WRITE64(args
->fl
->fl_start
);
875 WRITE64(nfs4_lock_length(args
->fl
));
880 static int encode_lookup(struct xdr_stream
*xdr
, const struct qstr
*name
)
885 RESERVE_SPACE(8 + len
);
888 WRITEMEM(name
->name
, len
);
893 static void encode_share_access(struct xdr_stream
*xdr
, int open_flags
)
898 switch (open_flags
& (FMODE_READ
|FMODE_WRITE
)) {
900 WRITE32(NFS4_SHARE_ACCESS_READ
);
903 WRITE32(NFS4_SHARE_ACCESS_WRITE
);
905 case FMODE_READ
|FMODE_WRITE
:
906 WRITE32(NFS4_SHARE_ACCESS_BOTH
);
911 WRITE32(0); /* for linux, share_deny = 0 always */
914 static inline void encode_openhdr(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
)
918 * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4,
923 WRITE32(arg
->seqid
->sequence
->counter
);
924 encode_share_access(xdr
, arg
->open_flags
);
926 WRITE64(arg
->clientid
);
928 WRITEMEM("open id:", 8);
932 static inline void encode_createmode(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
)
937 switch(arg
->open_flags
& O_EXCL
) {
939 WRITE32(NFS4_CREATE_UNCHECKED
);
940 encode_attrs(xdr
, arg
->u
.attrs
, arg
->server
);
943 WRITE32(NFS4_CREATE_EXCLUSIVE
);
944 encode_nfs4_verifier(xdr
, &arg
->u
.verifier
);
948 static void encode_opentype(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
)
953 switch (arg
->open_flags
& O_CREAT
) {
955 WRITE32(NFS4_OPEN_NOCREATE
);
958 BUG_ON(arg
->claim
!= NFS4_OPEN_CLAIM_NULL
);
959 WRITE32(NFS4_OPEN_CREATE
);
960 encode_createmode(xdr
, arg
);
964 static inline void encode_delegation_type(struct xdr_stream
*xdr
, int delegation_type
)
969 switch (delegation_type
) {
971 WRITE32(NFS4_OPEN_DELEGATE_NONE
);
974 WRITE32(NFS4_OPEN_DELEGATE_READ
);
976 case FMODE_WRITE
|FMODE_READ
:
977 WRITE32(NFS4_OPEN_DELEGATE_WRITE
);
984 static inline void encode_claim_null(struct xdr_stream
*xdr
, const struct qstr
*name
)
989 WRITE32(NFS4_OPEN_CLAIM_NULL
);
990 encode_string(xdr
, name
->len
, name
->name
);
993 static inline void encode_claim_previous(struct xdr_stream
*xdr
, int type
)
998 WRITE32(NFS4_OPEN_CLAIM_PREVIOUS
);
999 encode_delegation_type(xdr
, type
);
1002 static inline void encode_claim_delegate_cur(struct xdr_stream
*xdr
, const struct qstr
*name
, const nfs4_stateid
*stateid
)
1006 RESERVE_SPACE(4+NFS4_STATEID_SIZE
);
1007 WRITE32(NFS4_OPEN_CLAIM_DELEGATE_CUR
);
1008 WRITEMEM(stateid
->data
, NFS4_STATEID_SIZE
);
1009 encode_string(xdr
, name
->len
, name
->name
);
1012 static int encode_open(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
)
1014 encode_openhdr(xdr
, arg
);
1015 encode_opentype(xdr
, arg
);
1016 switch (arg
->claim
) {
1017 case NFS4_OPEN_CLAIM_NULL
:
1018 encode_claim_null(xdr
, arg
->name
);
1020 case NFS4_OPEN_CLAIM_PREVIOUS
:
1021 encode_claim_previous(xdr
, arg
->u
.delegation_type
);
1023 case NFS4_OPEN_CLAIM_DELEGATE_CUR
:
1024 encode_claim_delegate_cur(xdr
, arg
->name
, &arg
->u
.delegation
);
1032 static int encode_open_confirm(struct xdr_stream
*xdr
, const struct nfs_open_confirmargs
*arg
)
1036 RESERVE_SPACE(4+NFS4_STATEID_SIZE
+4);
1037 WRITE32(OP_OPEN_CONFIRM
);
1038 WRITEMEM(arg
->stateid
->data
, NFS4_STATEID_SIZE
);
1039 WRITE32(arg
->seqid
->sequence
->counter
);
1044 static int encode_open_downgrade(struct xdr_stream
*xdr
, const struct nfs_closeargs
*arg
)
1048 RESERVE_SPACE(4+NFS4_STATEID_SIZE
+4);
1049 WRITE32(OP_OPEN_DOWNGRADE
);
1050 WRITEMEM(arg
->stateid
->data
, NFS4_STATEID_SIZE
);
1051 WRITE32(arg
->seqid
->sequence
->counter
);
1052 encode_share_access(xdr
, arg
->open_flags
);
1057 encode_putfh(struct xdr_stream
*xdr
, const struct nfs_fh
*fh
)
1062 RESERVE_SPACE(8 + len
);
1065 WRITEMEM(fh
->data
, len
);
1070 static int encode_putrootfh(struct xdr_stream
*xdr
)
1075 WRITE32(OP_PUTROOTFH
);
1080 static void encode_stateid(struct xdr_stream
*xdr
, const struct nfs_open_context
*ctx
)
1082 nfs4_stateid stateid
;
1085 RESERVE_SPACE(NFS4_STATEID_SIZE
);
1086 if (ctx
->state
!= NULL
) {
1087 nfs4_copy_stateid(&stateid
, ctx
->state
, ctx
->lockowner
);
1088 WRITEMEM(stateid
.data
, NFS4_STATEID_SIZE
);
1090 WRITEMEM(zero_stateid
.data
, NFS4_STATEID_SIZE
);
1093 static int encode_read(struct xdr_stream
*xdr
, const struct nfs_readargs
*args
)
1100 encode_stateid(xdr
, args
->context
);
1103 WRITE64(args
->offset
);
1104 WRITE32(args
->count
);
1109 static int encode_readdir(struct xdr_stream
*xdr
, const struct nfs4_readdir_arg
*readdir
, struct rpc_rqst
*req
)
1111 struct rpc_auth
*auth
= req
->rq_task
->tk_msg
.rpc_cred
->cr_auth
;
1112 uint32_t attrs
[2] = {
1113 FATTR4_WORD0_RDATTR_ERROR
|FATTR4_WORD0_FILEID
,
1114 FATTR4_WORD1_MOUNTED_ON_FILEID
,
1119 RESERVE_SPACE(12+NFS4_VERIFIER_SIZE
+20);
1120 WRITE32(OP_READDIR
);
1121 WRITE64(readdir
->cookie
);
1122 WRITEMEM(readdir
->verifier
.data
, NFS4_VERIFIER_SIZE
);
1123 WRITE32(readdir
->count
>> 1); /* We're not doing readdirplus */
1124 WRITE32(readdir
->count
);
1126 /* Switch to mounted_on_fileid if the server supports it */
1127 if (readdir
->bitmask
[1] & FATTR4_WORD1_MOUNTED_ON_FILEID
)
1128 attrs
[0] &= ~FATTR4_WORD0_FILEID
;
1130 attrs
[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID
;
1131 WRITE32(attrs
[0] & readdir
->bitmask
[0]);
1132 WRITE32(attrs
[1] & readdir
->bitmask
[1]);
1133 dprintk("%s: cookie = %Lu, verifier = 0x%x%x, bitmap = 0x%x%x\n",
1135 (unsigned long long)readdir
->cookie
,
1136 ((u32
*)readdir
->verifier
.data
)[0],
1137 ((u32
*)readdir
->verifier
.data
)[1],
1138 attrs
[0] & readdir
->bitmask
[0],
1139 attrs
[1] & readdir
->bitmask
[1]);
1141 /* set up reply kvec
1142 * toplevel_status + taglen + rescount + OP_PUTFH + status
1143 * + OP_READDIR + status + verifer(2) = 9
1145 replen
= (RPC_REPHDRSIZE
+ auth
->au_rslack
+ 9) << 2;
1146 xdr_inline_pages(&req
->rq_rcv_buf
, replen
, readdir
->pages
,
1147 readdir
->pgbase
, readdir
->count
);
1148 dprintk("%s: inlined page args = (%u, %p, %u, %u)\n",
1149 __FUNCTION__
, replen
, readdir
->pages
,
1150 readdir
->pgbase
, readdir
->count
);
1155 static int encode_readlink(struct xdr_stream
*xdr
, const struct nfs4_readlink
*readlink
, struct rpc_rqst
*req
)
1157 struct rpc_auth
*auth
= req
->rq_task
->tk_msg
.rpc_cred
->cr_auth
;
1158 unsigned int replen
;
1162 WRITE32(OP_READLINK
);
1164 /* set up reply kvec
1165 * toplevel_status + taglen + rescount + OP_PUTFH + status
1166 * + OP_READLINK + status + string length = 8
1168 replen
= (RPC_REPHDRSIZE
+ auth
->au_rslack
+ 8) << 2;
1169 xdr_inline_pages(&req
->rq_rcv_buf
, replen
, readlink
->pages
,
1170 readlink
->pgbase
, readlink
->pglen
);
1175 static int encode_remove(struct xdr_stream
*xdr
, const struct qstr
*name
)
1179 RESERVE_SPACE(8 + name
->len
);
1182 WRITEMEM(name
->name
, name
->len
);
1187 static int encode_rename(struct xdr_stream
*xdr
, const struct qstr
*oldname
, const struct qstr
*newname
)
1191 RESERVE_SPACE(8 + oldname
->len
);
1193 WRITE32(oldname
->len
);
1194 WRITEMEM(oldname
->name
, oldname
->len
);
1196 RESERVE_SPACE(4 + newname
->len
);
1197 WRITE32(newname
->len
);
1198 WRITEMEM(newname
->name
, newname
->len
);
1203 static int encode_renew(struct xdr_stream
*xdr
, const struct nfs_client
*client_stateid
)
1209 WRITE64(client_stateid
->cl_clientid
);
1215 encode_restorefh(struct xdr_stream
*xdr
)
1220 WRITE32(OP_RESTOREFH
);
1226 encode_setacl(struct xdr_stream
*xdr
, struct nfs_setaclargs
*arg
)
1230 RESERVE_SPACE(4+NFS4_STATEID_SIZE
);
1231 WRITE32(OP_SETATTR
);
1232 WRITEMEM(zero_stateid
.data
, NFS4_STATEID_SIZE
);
1235 WRITE32(FATTR4_WORD0_ACL
);
1236 if (arg
->acl_len
% 4)
1239 WRITE32(arg
->acl_len
);
1240 xdr_write_pages(xdr
, arg
->acl_pages
, arg
->acl_pgbase
, arg
->acl_len
);
1245 encode_savefh(struct xdr_stream
*xdr
)
1255 static int encode_setattr(struct xdr_stream
*xdr
, const struct nfs_setattrargs
*arg
, const struct nfs_server
*server
)
1260 RESERVE_SPACE(4+NFS4_STATEID_SIZE
);
1261 WRITE32(OP_SETATTR
);
1262 WRITEMEM(arg
->stateid
.data
, NFS4_STATEID_SIZE
);
1264 if ((status
= encode_attrs(xdr
, arg
->iap
, server
)))
1270 static int encode_setclientid(struct xdr_stream
*xdr
, const struct nfs4_setclientid
*setclientid
)
1274 RESERVE_SPACE(4 + NFS4_VERIFIER_SIZE
);
1275 WRITE32(OP_SETCLIENTID
);
1276 WRITEMEM(setclientid
->sc_verifier
->data
, NFS4_VERIFIER_SIZE
);
1278 encode_string(xdr
, setclientid
->sc_name_len
, setclientid
->sc_name
);
1280 WRITE32(setclientid
->sc_prog
);
1281 encode_string(xdr
, setclientid
->sc_netid_len
, setclientid
->sc_netid
);
1282 encode_string(xdr
, setclientid
->sc_uaddr_len
, setclientid
->sc_uaddr
);
1284 WRITE32(setclientid
->sc_cb_ident
);
1289 static int encode_setclientid_confirm(struct xdr_stream
*xdr
, const struct nfs_client
*client_state
)
1293 RESERVE_SPACE(12 + NFS4_VERIFIER_SIZE
);
1294 WRITE32(OP_SETCLIENTID_CONFIRM
);
1295 WRITE64(client_state
->cl_clientid
);
1296 WRITEMEM(client_state
->cl_confirm
.data
, NFS4_VERIFIER_SIZE
);
1301 static int encode_write(struct xdr_stream
*xdr
, const struct nfs_writeargs
*args
)
1308 encode_stateid(xdr
, args
->context
);
1311 WRITE64(args
->offset
);
1312 WRITE32(args
->stable
);
1313 WRITE32(args
->count
);
1315 xdr_write_pages(xdr
, args
->pages
, args
->pgbase
, args
->count
);
1320 static int encode_delegreturn(struct xdr_stream
*xdr
, const nfs4_stateid
*stateid
)
1324 RESERVE_SPACE(4+NFS4_STATEID_SIZE
);
1326 WRITE32(OP_DELEGRETURN
);
1327 WRITEMEM(stateid
->data
, NFS4_STATEID_SIZE
);
1332 * END OF "GENERIC" ENCODE ROUTINES.
1336 * Encode an ACCESS request
1338 static int nfs4_xdr_enc_access(struct rpc_rqst
*req
, __be32
*p
, const struct nfs4_accessargs
*args
)
1340 struct xdr_stream xdr
;
1341 struct compound_hdr hdr
= {
1346 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1347 encode_compound_hdr(&xdr
, &hdr
);
1348 if ((status
= encode_putfh(&xdr
, args
->fh
)) == 0)
1349 status
= encode_access(&xdr
, args
->access
);
1354 * Encode LOOKUP request
1356 static int nfs4_xdr_enc_lookup(struct rpc_rqst
*req
, __be32
*p
, const struct nfs4_lookup_arg
*args
)
1358 struct xdr_stream xdr
;
1359 struct compound_hdr hdr
= {
1364 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1365 encode_compound_hdr(&xdr
, &hdr
);
1366 if ((status
= encode_putfh(&xdr
, args
->dir_fh
)) != 0)
1368 if ((status
= encode_lookup(&xdr
, args
->name
)) != 0)
1370 if ((status
= encode_getfh(&xdr
)) != 0)
1372 status
= encode_getfattr(&xdr
, args
->bitmask
);
1378 * Encode LOOKUP_ROOT request
1380 static int nfs4_xdr_enc_lookup_root(struct rpc_rqst
*req
, __be32
*p
, const struct nfs4_lookup_root_arg
*args
)
1382 struct xdr_stream xdr
;
1383 struct compound_hdr hdr
= {
1388 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1389 encode_compound_hdr(&xdr
, &hdr
);
1390 if ((status
= encode_putrootfh(&xdr
)) != 0)
1392 if ((status
= encode_getfh(&xdr
)) == 0)
1393 status
= encode_getfattr(&xdr
, args
->bitmask
);
1399 * Encode REMOVE request
1401 static int nfs4_xdr_enc_remove(struct rpc_rqst
*req
, __be32
*p
, const struct nfs4_remove_arg
*args
)
1403 struct xdr_stream xdr
;
1404 struct compound_hdr hdr
= {
1409 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1410 encode_compound_hdr(&xdr
, &hdr
);
1411 if ((status
= encode_putfh(&xdr
, args
->fh
)) != 0)
1413 if ((status
= encode_remove(&xdr
, args
->name
)) != 0)
1415 status
= encode_getfattr(&xdr
, args
->bitmask
);
1421 * Encode RENAME request
1423 static int nfs4_xdr_enc_rename(struct rpc_rqst
*req
, __be32
*p
, const struct nfs4_rename_arg
*args
)
1425 struct xdr_stream xdr
;
1426 struct compound_hdr hdr
= {
1431 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1432 encode_compound_hdr(&xdr
, &hdr
);
1433 if ((status
= encode_putfh(&xdr
, args
->old_dir
)) != 0)
1435 if ((status
= encode_savefh(&xdr
)) != 0)
1437 if ((status
= encode_putfh(&xdr
, args
->new_dir
)) != 0)
1439 if ((status
= encode_rename(&xdr
, args
->old_name
, args
->new_name
)) != 0)
1441 if ((status
= encode_getfattr(&xdr
, args
->bitmask
)) != 0)
1443 if ((status
= encode_restorefh(&xdr
)) != 0)
1445 status
= encode_getfattr(&xdr
, args
->bitmask
);
1451 * Encode LINK request
1453 static int nfs4_xdr_enc_link(struct rpc_rqst
*req
, __be32
*p
, const struct nfs4_link_arg
*args
)
1455 struct xdr_stream xdr
;
1456 struct compound_hdr hdr
= {
1461 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1462 encode_compound_hdr(&xdr
, &hdr
);
1463 if ((status
= encode_putfh(&xdr
, args
->fh
)) != 0)
1465 if ((status
= encode_savefh(&xdr
)) != 0)
1467 if ((status
= encode_putfh(&xdr
, args
->dir_fh
)) != 0)
1469 if ((status
= encode_link(&xdr
, args
->name
)) != 0)
1471 if ((status
= encode_getfattr(&xdr
, args
->bitmask
)) != 0)
1473 if ((status
= encode_restorefh(&xdr
)) != 0)
1475 status
= encode_getfattr(&xdr
, args
->bitmask
);
1481 * Encode CREATE request
1483 static int nfs4_xdr_enc_create(struct rpc_rqst
*req
, __be32
*p
, const struct nfs4_create_arg
*args
)
1485 struct xdr_stream xdr
;
1486 struct compound_hdr hdr
= {
1491 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1492 encode_compound_hdr(&xdr
, &hdr
);
1493 if ((status
= encode_putfh(&xdr
, args
->dir_fh
)) != 0)
1495 if ((status
= encode_savefh(&xdr
)) != 0)
1497 if ((status
= encode_create(&xdr
, args
)) != 0)
1499 if ((status
= encode_getfh(&xdr
)) != 0)
1501 if ((status
= encode_getfattr(&xdr
, args
->bitmask
)) != 0)
1503 if ((status
= encode_restorefh(&xdr
)) != 0)
1505 status
= encode_getfattr(&xdr
, args
->bitmask
);
1511 * Encode SYMLINK request
1513 static int nfs4_xdr_enc_symlink(struct rpc_rqst
*req
, __be32
*p
, const struct nfs4_create_arg
*args
)
1515 return nfs4_xdr_enc_create(req
, p
, args
);
1519 * Encode GETATTR request
1521 static int nfs4_xdr_enc_getattr(struct rpc_rqst
*req
, __be32
*p
, const struct nfs4_getattr_arg
*args
)
1523 struct xdr_stream xdr
;
1524 struct compound_hdr hdr
= {
1529 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1530 encode_compound_hdr(&xdr
, &hdr
);
1531 if ((status
= encode_putfh(&xdr
, args
->fh
)) == 0)
1532 status
= encode_getfattr(&xdr
, args
->bitmask
);
1537 * Encode a CLOSE request
1539 static int nfs4_xdr_enc_close(struct rpc_rqst
*req
, __be32
*p
, struct nfs_closeargs
*args
)
1541 struct xdr_stream xdr
;
1542 struct compound_hdr hdr
= {
1547 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1548 encode_compound_hdr(&xdr
, &hdr
);
1549 status
= encode_putfh(&xdr
, args
->fh
);
1552 status
= encode_close(&xdr
, args
);
1555 status
= encode_getfattr(&xdr
, args
->bitmask
);
1561 * Encode an OPEN request
1563 static int nfs4_xdr_enc_open(struct rpc_rqst
*req
, __be32
*p
, struct nfs_openargs
*args
)
1565 struct xdr_stream xdr
;
1566 struct compound_hdr hdr
= {
1571 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1572 encode_compound_hdr(&xdr
, &hdr
);
1573 status
= encode_putfh(&xdr
, args
->fh
);
1576 status
= encode_savefh(&xdr
);
1579 status
= encode_open(&xdr
, args
);
1582 status
= encode_getfh(&xdr
);
1585 status
= encode_getfattr(&xdr
, args
->bitmask
);
1588 status
= encode_restorefh(&xdr
);
1591 status
= encode_getfattr(&xdr
, args
->bitmask
);
1597 * Encode an OPEN_CONFIRM request
1599 static int nfs4_xdr_enc_open_confirm(struct rpc_rqst
*req
, __be32
*p
, struct nfs_open_confirmargs
*args
)
1601 struct xdr_stream xdr
;
1602 struct compound_hdr hdr
= {
1607 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1608 encode_compound_hdr(&xdr
, &hdr
);
1609 status
= encode_putfh(&xdr
, args
->fh
);
1612 status
= encode_open_confirm(&xdr
, args
);
1618 * Encode an OPEN request with no attributes.
1620 static int nfs4_xdr_enc_open_noattr(struct rpc_rqst
*req
, __be32
*p
, struct nfs_openargs
*args
)
1622 struct xdr_stream xdr
;
1623 struct compound_hdr hdr
= {
1628 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1629 encode_compound_hdr(&xdr
, &hdr
);
1630 status
= encode_putfh(&xdr
, args
->fh
);
1633 status
= encode_open(&xdr
, args
);
1636 status
= encode_getfattr(&xdr
, args
->bitmask
);
1642 * Encode an OPEN_DOWNGRADE request
1644 static int nfs4_xdr_enc_open_downgrade(struct rpc_rqst
*req
, __be32
*p
, struct nfs_closeargs
*args
)
1646 struct xdr_stream xdr
;
1647 struct compound_hdr hdr
= {
1652 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1653 encode_compound_hdr(&xdr
, &hdr
);
1654 status
= encode_putfh(&xdr
, args
->fh
);
1657 status
= encode_open_downgrade(&xdr
, args
);
1660 status
= encode_getfattr(&xdr
, args
->bitmask
);
1666 * Encode a LOCK request
1668 static int nfs4_xdr_enc_lock(struct rpc_rqst
*req
, __be32
*p
, struct nfs_lock_args
*args
)
1670 struct xdr_stream xdr
;
1671 struct compound_hdr hdr
= {
1676 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1677 encode_compound_hdr(&xdr
, &hdr
);
1678 status
= encode_putfh(&xdr
, args
->fh
);
1681 status
= encode_lock(&xdr
, args
);
1687 * Encode a LOCKT request
1689 static int nfs4_xdr_enc_lockt(struct rpc_rqst
*req
, __be32
*p
, struct nfs_lockt_args
*args
)
1691 struct xdr_stream xdr
;
1692 struct compound_hdr hdr
= {
1697 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1698 encode_compound_hdr(&xdr
, &hdr
);
1699 status
= encode_putfh(&xdr
, args
->fh
);
1702 status
= encode_lockt(&xdr
, args
);
1708 * Encode a LOCKU request
1710 static int nfs4_xdr_enc_locku(struct rpc_rqst
*req
, __be32
*p
, struct nfs_locku_args
*args
)
1712 struct xdr_stream xdr
;
1713 struct compound_hdr hdr
= {
1718 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1719 encode_compound_hdr(&xdr
, &hdr
);
1720 status
= encode_putfh(&xdr
, args
->fh
);
1723 status
= encode_locku(&xdr
, args
);
1729 * Encode a READLINK request
1731 static int nfs4_xdr_enc_readlink(struct rpc_rqst
*req
, __be32
*p
, const struct nfs4_readlink
*args
)
1733 struct xdr_stream xdr
;
1734 struct compound_hdr hdr
= {
1739 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1740 encode_compound_hdr(&xdr
, &hdr
);
1741 status
= encode_putfh(&xdr
, args
->fh
);
1744 status
= encode_readlink(&xdr
, args
, req
);
1750 * Encode a READDIR request
1752 static int nfs4_xdr_enc_readdir(struct rpc_rqst
*req
, __be32
*p
, const struct nfs4_readdir_arg
*args
)
1754 struct xdr_stream xdr
;
1755 struct compound_hdr hdr
= {
1760 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1761 encode_compound_hdr(&xdr
, &hdr
);
1762 status
= encode_putfh(&xdr
, args
->fh
);
1765 status
= encode_readdir(&xdr
, args
, req
);
1771 * Encode a READ request
1773 static int nfs4_xdr_enc_read(struct rpc_rqst
*req
, __be32
*p
, struct nfs_readargs
*args
)
1775 struct rpc_auth
*auth
= req
->rq_task
->tk_msg
.rpc_cred
->cr_auth
;
1776 struct xdr_stream xdr
;
1777 struct compound_hdr hdr
= {
1782 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1783 encode_compound_hdr(&xdr
, &hdr
);
1784 status
= encode_putfh(&xdr
, args
->fh
);
1787 status
= encode_read(&xdr
, args
);
1791 /* set up reply kvec
1792 * toplevel status + taglen=0 + rescount + OP_PUTFH + status
1793 * + OP_READ + status + eof + datalen = 9
1795 replen
= (RPC_REPHDRSIZE
+ auth
->au_rslack
+ NFS4_dec_read_sz
) << 2;
1796 xdr_inline_pages(&req
->rq_rcv_buf
, replen
,
1797 args
->pages
, args
->pgbase
, args
->count
);
1803 * Encode an SETATTR request
1805 static int nfs4_xdr_enc_setattr(struct rpc_rqst
*req
, __be32
*p
, struct nfs_setattrargs
*args
)
1808 struct xdr_stream xdr
;
1809 struct compound_hdr hdr
= {
1814 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1815 encode_compound_hdr(&xdr
, &hdr
);
1816 status
= encode_putfh(&xdr
, args
->fh
);
1819 status
= encode_setattr(&xdr
, args
, args
->server
);
1822 status
= encode_getfattr(&xdr
, args
->bitmask
);
1828 * Encode a GETACL request
1831 nfs4_xdr_enc_getacl(struct rpc_rqst
*req
, __be32
*p
,
1832 struct nfs_getaclargs
*args
)
1834 struct xdr_stream xdr
;
1835 struct rpc_auth
*auth
= req
->rq_task
->tk_msg
.rpc_cred
->cr_auth
;
1836 struct compound_hdr hdr
= {
1841 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1842 encode_compound_hdr(&xdr
, &hdr
);
1843 status
= encode_putfh(&xdr
, args
->fh
);
1846 status
= encode_getattr_two(&xdr
, FATTR4_WORD0_ACL
, 0);
1847 /* set up reply buffer: */
1848 replen
= (RPC_REPHDRSIZE
+ auth
->au_rslack
+ NFS4_dec_getacl_sz
) << 2;
1849 xdr_inline_pages(&req
->rq_rcv_buf
, replen
,
1850 args
->acl_pages
, args
->acl_pgbase
, args
->acl_len
);
1856 * Encode a WRITE request
1858 static int nfs4_xdr_enc_write(struct rpc_rqst
*req
, __be32
*p
, struct nfs_writeargs
*args
)
1860 struct xdr_stream xdr
;
1861 struct compound_hdr hdr
= {
1866 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1867 encode_compound_hdr(&xdr
, &hdr
);
1868 status
= encode_putfh(&xdr
, args
->fh
);
1871 status
= encode_write(&xdr
, args
);
1874 status
= encode_getfattr(&xdr
, args
->bitmask
);
1882 static int nfs4_xdr_enc_commit(struct rpc_rqst
*req
, __be32
*p
, struct nfs_writeargs
*args
)
1884 struct xdr_stream xdr
;
1885 struct compound_hdr hdr
= {
1890 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1891 encode_compound_hdr(&xdr
, &hdr
);
1892 status
= encode_putfh(&xdr
, args
->fh
);
1895 status
= encode_commit(&xdr
, args
);
1898 status
= encode_getfattr(&xdr
, args
->bitmask
);
1906 static int nfs4_xdr_enc_fsinfo(struct rpc_rqst
*req
, __be32
*p
, struct nfs4_fsinfo_arg
*args
)
1908 struct xdr_stream xdr
;
1909 struct compound_hdr hdr
= {
1914 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1915 encode_compound_hdr(&xdr
, &hdr
);
1916 status
= encode_putfh(&xdr
, args
->fh
);
1918 status
= encode_fsinfo(&xdr
, args
->bitmask
);
1923 * a PATHCONF request
1925 static int nfs4_xdr_enc_pathconf(struct rpc_rqst
*req
, __be32
*p
, const struct nfs4_pathconf_arg
*args
)
1927 struct xdr_stream xdr
;
1928 struct compound_hdr hdr
= {
1933 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1934 encode_compound_hdr(&xdr
, &hdr
);
1935 status
= encode_putfh(&xdr
, args
->fh
);
1937 status
= encode_getattr_one(&xdr
,
1938 args
->bitmask
[0] & nfs4_pathconf_bitmap
[0]);
1945 static int nfs4_xdr_enc_statfs(struct rpc_rqst
*req
, __be32
*p
, const struct nfs4_statfs_arg
*args
)
1947 struct xdr_stream xdr
;
1948 struct compound_hdr hdr
= {
1953 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1954 encode_compound_hdr(&xdr
, &hdr
);
1955 status
= encode_putfh(&xdr
, args
->fh
);
1957 status
= encode_getattr_two(&xdr
,
1958 args
->bitmask
[0] & nfs4_statfs_bitmap
[0],
1959 args
->bitmask
[1] & nfs4_statfs_bitmap
[1]);
1964 * GETATTR_BITMAP request
1966 static int nfs4_xdr_enc_server_caps(struct rpc_rqst
*req
, __be32
*p
, const struct nfs_fh
*fhandle
)
1968 struct xdr_stream xdr
;
1969 struct compound_hdr hdr
= {
1974 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1975 encode_compound_hdr(&xdr
, &hdr
);
1976 status
= encode_putfh(&xdr
, fhandle
);
1978 status
= encode_getattr_one(&xdr
, FATTR4_WORD0_SUPPORTED_ATTRS
|
1979 FATTR4_WORD0_LINK_SUPPORT
|
1980 FATTR4_WORD0_SYMLINK_SUPPORT
|
1981 FATTR4_WORD0_ACLSUPPORT
);
1988 static int nfs4_xdr_enc_renew(struct rpc_rqst
*req
, __be32
*p
, struct nfs_client
*clp
)
1990 struct xdr_stream xdr
;
1991 struct compound_hdr hdr
= {
1995 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
1996 encode_compound_hdr(&xdr
, &hdr
);
1997 return encode_renew(&xdr
, clp
);
2001 * a SETCLIENTID request
2003 static int nfs4_xdr_enc_setclientid(struct rpc_rqst
*req
, __be32
*p
, struct nfs4_setclientid
*sc
)
2005 struct xdr_stream xdr
;
2006 struct compound_hdr hdr
= {
2010 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
2011 encode_compound_hdr(&xdr
, &hdr
);
2012 return encode_setclientid(&xdr
, sc
);
2016 * a SETCLIENTID_CONFIRM request
2018 static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst
*req
, __be32
*p
, struct nfs_client
*clp
)
2020 struct xdr_stream xdr
;
2021 struct compound_hdr hdr
= {
2024 const u32 lease_bitmap
[2] = { FATTR4_WORD0_LEASE_TIME
, 0 };
2027 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
2028 encode_compound_hdr(&xdr
, &hdr
);
2029 status
= encode_setclientid_confirm(&xdr
, clp
);
2031 status
= encode_putrootfh(&xdr
);
2033 status
= encode_fsinfo(&xdr
, lease_bitmap
);
2038 * DELEGRETURN request
2040 static int nfs4_xdr_enc_delegreturn(struct rpc_rqst
*req
, __be32
*p
, const struct nfs4_delegreturnargs
*args
)
2042 struct xdr_stream xdr
;
2043 struct compound_hdr hdr
= {
2048 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
2049 encode_compound_hdr(&xdr
, &hdr
);
2050 status
= encode_putfh(&xdr
, args
->fhandle
);
2053 status
= encode_delegreturn(&xdr
, args
->stateid
);
2056 status
= encode_getfattr(&xdr
, args
->bitmask
);
2062 * Encode FS_LOCATIONS request
2064 static int nfs4_xdr_enc_fs_locations(struct rpc_rqst
*req
, __be32
*p
, struct nfs4_fs_locations_arg
*args
)
2066 struct xdr_stream xdr
;
2067 struct compound_hdr hdr
= {
2070 struct rpc_auth
*auth
= req
->rq_task
->tk_msg
.rpc_cred
->cr_auth
;
2074 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
2075 encode_compound_hdr(&xdr
, &hdr
);
2076 if ((status
= encode_putfh(&xdr
, args
->dir_fh
)) != 0)
2078 if ((status
= encode_lookup(&xdr
, args
->name
)) != 0)
2080 if ((status
= encode_fs_locations(&xdr
, args
->bitmask
)) != 0)
2083 * toplevel_status + OP_PUTFH + status
2084 * + OP_LOOKUP + status + OP_GETATTR + status = 7
2086 replen
= (RPC_REPHDRSIZE
+ auth
->au_rslack
+ 7) << 2;
2087 xdr_inline_pages(&req
->rq_rcv_buf
, replen
, &args
->page
,
2094 * START OF "GENERIC" DECODE ROUTINES.
2095 * These may look a little ugly since they are imported from a "generic"
2096 * set of XDR encode/decode routines which are intended to be shared by
2097 * all of our NFSv4 implementations (OpenBSD, MacOS X...).
2099 * If the pain of reading these is too great, it should be a straightforward
2100 * task to translate them into Linux-specific versions which are more
2101 * consistent with the style used in NFSv2/v3...
2103 #define READ32(x) (x) = ntohl(*p++)
2104 #define READ64(x) do { \
2105 (x) = (u64)ntohl(*p++) << 32; \
2106 (x) |= ntohl(*p++); \
2108 #define READTIME(x) do { \
2110 (x.tv_sec) = ntohl(*p++); \
2111 (x.tv_nsec) = ntohl(*p++); \
2113 #define COPYMEM(x,nbytes) do { \
2114 memcpy((x), p, nbytes); \
2115 p += XDR_QUADLEN(nbytes); \
2118 #define READ_BUF(nbytes) do { \
2119 p = xdr_inline_decode(xdr, nbytes); \
2120 if (unlikely(!p)) { \
2121 printk(KERN_INFO "%s: prematurely hit end of receive" \
2122 " buffer\n", __FUNCTION__); \
2123 printk(KERN_INFO "%s: xdr->p=%p, bytes=%u, xdr->end=%p\n", \
2124 __FUNCTION__, xdr->p, nbytes, xdr->end); \
2129 static int decode_opaque_inline(struct xdr_stream
*xdr
, unsigned int *len
, char **string
)
2136 *string
= (char *)p
;
2140 static int decode_compound_hdr(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
2145 READ32(hdr
->status
);
2146 READ32(hdr
->taglen
);
2148 READ_BUF(hdr
->taglen
+ 4);
2149 hdr
->tag
= (char *)p
;
2150 p
+= XDR_QUADLEN(hdr
->taglen
);
2155 static int decode_op_hdr(struct xdr_stream
*xdr
, enum nfs_opnum4 expected
)
2163 if (opnum
!= expected
) {
2165 "nfs4_decode_op_hdr: Server returned operation"
2166 " %d but we issued a request for %d\n",
2171 if (nfserr
!= NFS_OK
)
2172 return -nfs4_stat_to_errno(nfserr
);
2177 static int decode_ace(struct xdr_stream
*xdr
, void *ace
, struct nfs_client
*clp
)
2180 unsigned int strlen
;
2184 return decode_opaque_inline(xdr
, &strlen
, &str
);
2187 static int decode_attr_bitmap(struct xdr_stream
*xdr
, uint32_t *bitmap
)
2195 bitmap
[0] = bitmap
[1] = 0;
2196 READ_BUF((bmlen
<< 2));
2205 static inline int decode_attr_length(struct xdr_stream
*xdr
, uint32_t *attrlen
, __be32
**savep
)
2215 static int decode_attr_supported(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *bitmask
)
2217 if (likely(bitmap
[0] & FATTR4_WORD0_SUPPORTED_ATTRS
)) {
2218 decode_attr_bitmap(xdr
, bitmask
);
2219 bitmap
[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS
;
2221 bitmask
[0] = bitmask
[1] = 0;
2222 dprintk("%s: bitmask=0x%x%x\n", __FUNCTION__
, bitmask
[0], bitmask
[1]);
2226 static int decode_attr_type(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *type
)
2231 if (unlikely(bitmap
[0] & (FATTR4_WORD0_TYPE
- 1U)))
2233 if (likely(bitmap
[0] & FATTR4_WORD0_TYPE
)) {
2236 if (*type
< NF4REG
|| *type
> NF4NAMEDATTR
) {
2237 dprintk("%s: bad type %d\n", __FUNCTION__
, *type
);
2240 bitmap
[0] &= ~FATTR4_WORD0_TYPE
;
2242 dprintk("%s: type=0%o\n", __FUNCTION__
, nfs_type2fmt
[*type
].nfs2type
);
2246 static int decode_attr_change(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *change
)
2251 if (unlikely(bitmap
[0] & (FATTR4_WORD0_CHANGE
- 1U)))
2253 if (likely(bitmap
[0] & FATTR4_WORD0_CHANGE
)) {
2256 bitmap
[0] &= ~FATTR4_WORD0_CHANGE
;
2258 dprintk("%s: change attribute=%Lu\n", __FUNCTION__
,
2259 (unsigned long long)*change
);
2263 static int decode_attr_size(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *size
)
2268 if (unlikely(bitmap
[0] & (FATTR4_WORD0_SIZE
- 1U)))
2270 if (likely(bitmap
[0] & FATTR4_WORD0_SIZE
)) {
2273 bitmap
[0] &= ~FATTR4_WORD0_SIZE
;
2275 dprintk("%s: file size=%Lu\n", __FUNCTION__
, (unsigned long long)*size
);
2279 static int decode_attr_link_support(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
2284 if (unlikely(bitmap
[0] & (FATTR4_WORD0_LINK_SUPPORT
- 1U)))
2286 if (likely(bitmap
[0] & FATTR4_WORD0_LINK_SUPPORT
)) {
2289 bitmap
[0] &= ~FATTR4_WORD0_LINK_SUPPORT
;
2291 dprintk("%s: link support=%s\n", __FUNCTION__
, *res
== 0 ? "false" : "true");
2295 static int decode_attr_symlink_support(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
2300 if (unlikely(bitmap
[0] & (FATTR4_WORD0_SYMLINK_SUPPORT
- 1U)))
2302 if (likely(bitmap
[0] & FATTR4_WORD0_SYMLINK_SUPPORT
)) {
2305 bitmap
[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT
;
2307 dprintk("%s: symlink support=%s\n", __FUNCTION__
, *res
== 0 ? "false" : "true");
2311 static int decode_attr_fsid(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct nfs_fsid
*fsid
)
2317 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FSID
- 1U)))
2319 if (likely(bitmap
[0] & FATTR4_WORD0_FSID
)) {
2321 READ64(fsid
->major
);
2322 READ64(fsid
->minor
);
2323 bitmap
[0] &= ~FATTR4_WORD0_FSID
;
2325 dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __FUNCTION__
,
2326 (unsigned long long)fsid
->major
,
2327 (unsigned long long)fsid
->minor
);
2331 static int decode_attr_lease_time(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
2336 if (unlikely(bitmap
[0] & (FATTR4_WORD0_LEASE_TIME
- 1U)))
2338 if (likely(bitmap
[0] & FATTR4_WORD0_LEASE_TIME
)) {
2341 bitmap
[0] &= ~FATTR4_WORD0_LEASE_TIME
;
2343 dprintk("%s: file size=%u\n", __FUNCTION__
, (unsigned int)*res
);
2347 static int decode_attr_aclsupport(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
2351 *res
= ACL4_SUPPORT_ALLOW_ACL
|ACL4_SUPPORT_DENY_ACL
;
2352 if (unlikely(bitmap
[0] & (FATTR4_WORD0_ACLSUPPORT
- 1U)))
2354 if (likely(bitmap
[0] & FATTR4_WORD0_ACLSUPPORT
)) {
2357 bitmap
[0] &= ~FATTR4_WORD0_ACLSUPPORT
;
2359 dprintk("%s: ACLs supported=%u\n", __FUNCTION__
, (unsigned int)*res
);
2363 static int decode_attr_fileid(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *fileid
)
2368 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILEID
- 1U)))
2370 if (likely(bitmap
[0] & FATTR4_WORD0_FILEID
)) {
2373 bitmap
[0] &= ~FATTR4_WORD0_FILEID
;
2375 dprintk("%s: fileid=%Lu\n", __FUNCTION__
, (unsigned long long)*fileid
);
2379 static int decode_attr_mounted_on_fileid(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *fileid
)
2384 if (unlikely(bitmap
[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID
- 1U)))
2386 if (likely(bitmap
[1] & FATTR4_WORD1_MOUNTED_ON_FILEID
)) {
2389 bitmap
[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID
;
2391 dprintk("%s: fileid=%Lu\n", __FUNCTION__
, (unsigned long long)*fileid
);
2395 static int decode_attr_files_avail(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
2401 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILES_AVAIL
- 1U)))
2403 if (likely(bitmap
[0] & FATTR4_WORD0_FILES_AVAIL
)) {
2406 bitmap
[0] &= ~FATTR4_WORD0_FILES_AVAIL
;
2408 dprintk("%s: files avail=%Lu\n", __FUNCTION__
, (unsigned long long)*res
);
2412 static int decode_attr_files_free(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
2418 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILES_FREE
- 1U)))
2420 if (likely(bitmap
[0] & FATTR4_WORD0_FILES_FREE
)) {
2423 bitmap
[0] &= ~FATTR4_WORD0_FILES_FREE
;
2425 dprintk("%s: files free=%Lu\n", __FUNCTION__
, (unsigned long long)*res
);
2429 static int decode_attr_files_total(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
2435 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILES_TOTAL
- 1U)))
2437 if (likely(bitmap
[0] & FATTR4_WORD0_FILES_TOTAL
)) {
2440 bitmap
[0] &= ~FATTR4_WORD0_FILES_TOTAL
;
2442 dprintk("%s: files total=%Lu\n", __FUNCTION__
, (unsigned long long)*res
);
2446 static int decode_pathname(struct xdr_stream
*xdr
, struct nfs4_pathname
*path
)
2459 path
->ncomponents
= 0;
2460 while (path
->ncomponents
< n
) {
2461 struct nfs4_string
*component
= &path
->components
[path
->ncomponents
];
2462 status
= decode_opaque_inline(xdr
, &component
->len
, &component
->data
);
2463 if (unlikely(status
!= 0))
2465 if (path
->ncomponents
!= n
)
2467 dprintk("%s", component
->data
);
2468 if (path
->ncomponents
< NFS4_PATHNAME_MAXCOMPONENTS
)
2469 path
->ncomponents
++;
2471 dprintk("cannot parse %d components in path\n", n
);
2479 /* a root pathname is sent as a zero component4 */
2480 path
->ncomponents
= 1;
2481 path
->components
[0].len
=0;
2482 path
->components
[0].data
=NULL
;
2483 dprintk("path /\n");
2486 dprintk(" status %d", status
);
2491 static int decode_attr_fs_locations(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct nfs4_fs_locations
*res
)
2497 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FS_LOCATIONS
-1U)))
2500 if (unlikely(!(bitmap
[0] & FATTR4_WORD0_FS_LOCATIONS
)))
2502 dprintk("%s: fsroot ", __FUNCTION__
);
2503 status
= decode_pathname(xdr
, &res
->fs_path
);
2504 if (unlikely(status
!= 0))
2510 res
->nlocations
= 0;
2511 while (res
->nlocations
< n
) {
2513 struct nfs4_fs_location
*loc
= &res
->locations
[res
->nlocations
];
2521 dprintk("%s: servers ", __FUNCTION__
);
2522 while (loc
->nservers
< m
) {
2523 struct nfs4_string
*server
= &loc
->servers
[loc
->nservers
];
2524 status
= decode_opaque_inline(xdr
, &server
->len
, &server
->data
);
2525 if (unlikely(status
!= 0))
2527 dprintk("%s ", server
->data
);
2528 if (loc
->nservers
< NFS4_FS_LOCATION_MAXSERVERS
)
2532 dprintk("%s: using first %d of %d servers returned for location %d\n", __FUNCTION__
, NFS4_FS_LOCATION_MAXSERVERS
, m
, res
->nlocations
);
2533 for (i
= loc
->nservers
; i
< m
; i
++) {
2536 status
= decode_opaque_inline(xdr
, &len
, &data
);
2537 if (unlikely(status
!= 0))
2542 status
= decode_pathname(xdr
, &loc
->rootpath
);
2543 if (unlikely(status
!= 0))
2545 if (res
->nlocations
< NFS4_FS_LOCATIONS_MAXENTRIES
)
2549 dprintk("%s: fs_locations done, error = %d\n", __FUNCTION__
, status
);
2556 static int decode_attr_maxfilesize(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
2562 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXFILESIZE
- 1U)))
2564 if (likely(bitmap
[0] & FATTR4_WORD0_MAXFILESIZE
)) {
2567 bitmap
[0] &= ~FATTR4_WORD0_MAXFILESIZE
;
2569 dprintk("%s: maxfilesize=%Lu\n", __FUNCTION__
, (unsigned long long)*res
);
2573 static int decode_attr_maxlink(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *maxlink
)
2579 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXLINK
- 1U)))
2581 if (likely(bitmap
[0] & FATTR4_WORD0_MAXLINK
)) {
2584 bitmap
[0] &= ~FATTR4_WORD0_MAXLINK
;
2586 dprintk("%s: maxlink=%u\n", __FUNCTION__
, *maxlink
);
2590 static int decode_attr_maxname(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *maxname
)
2596 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXNAME
- 1U)))
2598 if (likely(bitmap
[0] & FATTR4_WORD0_MAXNAME
)) {
2601 bitmap
[0] &= ~FATTR4_WORD0_MAXNAME
;
2603 dprintk("%s: maxname=%u\n", __FUNCTION__
, *maxname
);
2607 static int decode_attr_maxread(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
2613 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXREAD
- 1U)))
2615 if (likely(bitmap
[0] & FATTR4_WORD0_MAXREAD
)) {
2619 if (maxread
> 0x7FFFFFFF)
2620 maxread
= 0x7FFFFFFF;
2621 *res
= (uint32_t)maxread
;
2622 bitmap
[0] &= ~FATTR4_WORD0_MAXREAD
;
2624 dprintk("%s: maxread=%lu\n", __FUNCTION__
, (unsigned long)*res
);
2628 static int decode_attr_maxwrite(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
2634 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXWRITE
- 1U)))
2636 if (likely(bitmap
[0] & FATTR4_WORD0_MAXWRITE
)) {
2640 if (maxwrite
> 0x7FFFFFFF)
2641 maxwrite
= 0x7FFFFFFF;
2642 *res
= (uint32_t)maxwrite
;
2643 bitmap
[0] &= ~FATTR4_WORD0_MAXWRITE
;
2645 dprintk("%s: maxwrite=%lu\n", __FUNCTION__
, (unsigned long)*res
);
2649 static int decode_attr_mode(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *mode
)
2654 if (unlikely(bitmap
[1] & (FATTR4_WORD1_MODE
- 1U)))
2656 if (likely(bitmap
[1] & FATTR4_WORD1_MODE
)) {
2660 bitmap
[1] &= ~FATTR4_WORD1_MODE
;
2662 dprintk("%s: file mode=0%o\n", __FUNCTION__
, (unsigned int)*mode
);
2666 static int decode_attr_nlink(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *nlink
)
2671 if (unlikely(bitmap
[1] & (FATTR4_WORD1_NUMLINKS
- 1U)))
2673 if (likely(bitmap
[1] & FATTR4_WORD1_NUMLINKS
)) {
2676 bitmap
[1] &= ~FATTR4_WORD1_NUMLINKS
;
2678 dprintk("%s: nlink=%u\n", __FUNCTION__
, (unsigned int)*nlink
);
2682 static int decode_attr_owner(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct nfs_client
*clp
, uint32_t *uid
)
2688 if (unlikely(bitmap
[1] & (FATTR4_WORD1_OWNER
- 1U)))
2690 if (likely(bitmap
[1] & FATTR4_WORD1_OWNER
)) {
2694 if (len
< XDR_MAX_NETOBJ
) {
2695 if (nfs_map_name_to_uid(clp
, (char *)p
, len
, uid
) != 0)
2696 dprintk("%s: nfs_map_name_to_uid failed!\n",
2699 printk(KERN_WARNING
"%s: name too long (%u)!\n",
2701 bitmap
[1] &= ~FATTR4_WORD1_OWNER
;
2703 dprintk("%s: uid=%d\n", __FUNCTION__
, (int)*uid
);
2707 static int decode_attr_group(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct nfs_client
*clp
, uint32_t *gid
)
2713 if (unlikely(bitmap
[1] & (FATTR4_WORD1_OWNER_GROUP
- 1U)))
2715 if (likely(bitmap
[1] & FATTR4_WORD1_OWNER_GROUP
)) {
2719 if (len
< XDR_MAX_NETOBJ
) {
2720 if (nfs_map_group_to_gid(clp
, (char *)p
, len
, gid
) != 0)
2721 dprintk("%s: nfs_map_group_to_gid failed!\n",
2724 printk(KERN_WARNING
"%s: name too long (%u)!\n",
2726 bitmap
[1] &= ~FATTR4_WORD1_OWNER_GROUP
;
2728 dprintk("%s: gid=%d\n", __FUNCTION__
, (int)*gid
);
2732 static int decode_attr_rdev(struct xdr_stream
*xdr
, uint32_t *bitmap
, dev_t
*rdev
)
2734 uint32_t major
= 0, minor
= 0;
2738 if (unlikely(bitmap
[1] & (FATTR4_WORD1_RAWDEV
- 1U)))
2740 if (likely(bitmap
[1] & FATTR4_WORD1_RAWDEV
)) {
2746 tmp
= MKDEV(major
, minor
);
2747 if (MAJOR(tmp
) == major
&& MINOR(tmp
) == minor
)
2749 bitmap
[1] &= ~ FATTR4_WORD1_RAWDEV
;
2751 dprintk("%s: rdev=(0x%x:0x%x)\n", __FUNCTION__
, major
, minor
);
2755 static int decode_attr_space_avail(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
2761 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_AVAIL
- 1U)))
2763 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_AVAIL
)) {
2766 bitmap
[1] &= ~FATTR4_WORD1_SPACE_AVAIL
;
2768 dprintk("%s: space avail=%Lu\n", __FUNCTION__
, (unsigned long long)*res
);
2772 static int decode_attr_space_free(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
2778 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_FREE
- 1U)))
2780 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_FREE
)) {
2783 bitmap
[1] &= ~FATTR4_WORD1_SPACE_FREE
;
2785 dprintk("%s: space free=%Lu\n", __FUNCTION__
, (unsigned long long)*res
);
2789 static int decode_attr_space_total(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
2795 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_TOTAL
- 1U)))
2797 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_TOTAL
)) {
2800 bitmap
[1] &= ~FATTR4_WORD1_SPACE_TOTAL
;
2802 dprintk("%s: space total=%Lu\n", __FUNCTION__
, (unsigned long long)*res
);
2806 static int decode_attr_space_used(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *used
)
2811 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_USED
- 1U)))
2813 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_USED
)) {
2816 bitmap
[1] &= ~FATTR4_WORD1_SPACE_USED
;
2818 dprintk("%s: space used=%Lu\n", __FUNCTION__
,
2819 (unsigned long long)*used
);
2823 static int decode_attr_time(struct xdr_stream
*xdr
, struct timespec
*time
)
2832 time
->tv_sec
= (time_t)sec
;
2833 time
->tv_nsec
= (long)nsec
;
2837 static int decode_attr_time_access(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct timespec
*time
)
2843 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_ACCESS
- 1U)))
2845 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_ACCESS
)) {
2846 status
= decode_attr_time(xdr
, time
);
2847 bitmap
[1] &= ~FATTR4_WORD1_TIME_ACCESS
;
2849 dprintk("%s: atime=%ld\n", __FUNCTION__
, (long)time
->tv_sec
);
2853 static int decode_attr_time_metadata(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct timespec
*time
)
2859 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_METADATA
- 1U)))
2861 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_METADATA
)) {
2862 status
= decode_attr_time(xdr
, time
);
2863 bitmap
[1] &= ~FATTR4_WORD1_TIME_METADATA
;
2865 dprintk("%s: ctime=%ld\n", __FUNCTION__
, (long)time
->tv_sec
);
2869 static int decode_attr_time_modify(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct timespec
*time
)
2875 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_MODIFY
- 1U)))
2877 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_MODIFY
)) {
2878 status
= decode_attr_time(xdr
, time
);
2879 bitmap
[1] &= ~FATTR4_WORD1_TIME_MODIFY
;
2881 dprintk("%s: mtime=%ld\n", __FUNCTION__
, (long)time
->tv_sec
);
2885 static int verify_attr_len(struct xdr_stream
*xdr
, __be32
*savep
, uint32_t attrlen
)
2887 unsigned int attrwords
= XDR_QUADLEN(attrlen
);
2888 unsigned int nwords
= xdr
->p
- savep
;
2890 if (unlikely(attrwords
!= nwords
)) {
2891 printk(KERN_WARNING
"%s: server returned incorrect attribute length: %u %c %u\n",
2894 (attrwords
< nwords
) ? '<' : '>',
2901 static int decode_change_info(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
2906 READ32(cinfo
->atomic
);
2907 READ64(cinfo
->before
);
2908 READ64(cinfo
->after
);
2912 static int decode_access(struct xdr_stream
*xdr
, struct nfs4_accessres
*access
)
2918 status
= decode_op_hdr(xdr
, OP_ACCESS
);
2924 access
->supported
= supp
;
2925 access
->access
= acc
;
2929 static int decode_close(struct xdr_stream
*xdr
, struct nfs_closeres
*res
)
2934 status
= decode_op_hdr(xdr
, OP_CLOSE
);
2937 READ_BUF(NFS4_STATEID_SIZE
);
2938 COPYMEM(res
->stateid
.data
, NFS4_STATEID_SIZE
);
2942 static int decode_commit(struct xdr_stream
*xdr
, struct nfs_writeres
*res
)
2947 status
= decode_op_hdr(xdr
, OP_COMMIT
);
2951 COPYMEM(res
->verf
->verifier
, 8);
2955 static int decode_create(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
2961 status
= decode_op_hdr(xdr
, OP_CREATE
);
2964 if ((status
= decode_change_info(xdr
, cinfo
)))
2968 READ_BUF(bmlen
<< 2);
2972 static int decode_server_caps(struct xdr_stream
*xdr
, struct nfs4_server_caps_res
*res
)
2979 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
2981 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
2983 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
2985 if ((status
= decode_attr_supported(xdr
, bitmap
, res
->attr_bitmask
)) != 0)
2987 if ((status
= decode_attr_link_support(xdr
, bitmap
, &res
->has_links
)) != 0)
2989 if ((status
= decode_attr_symlink_support(xdr
, bitmap
, &res
->has_symlinks
)) != 0)
2991 if ((status
= decode_attr_aclsupport(xdr
, bitmap
, &res
->acl_bitmask
)) != 0)
2993 status
= verify_attr_len(xdr
, savep
, attrlen
);
2995 dprintk("%s: xdr returned %d!\n", __FUNCTION__
, -status
);
2999 static int decode_statfs(struct xdr_stream
*xdr
, struct nfs_fsstat
*fsstat
)
3006 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
3008 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
3010 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
3013 if ((status
= decode_attr_files_avail(xdr
, bitmap
, &fsstat
->afiles
)) != 0)
3015 if ((status
= decode_attr_files_free(xdr
, bitmap
, &fsstat
->ffiles
)) != 0)
3017 if ((status
= decode_attr_files_total(xdr
, bitmap
, &fsstat
->tfiles
)) != 0)
3019 if ((status
= decode_attr_space_avail(xdr
, bitmap
, &fsstat
->abytes
)) != 0)
3021 if ((status
= decode_attr_space_free(xdr
, bitmap
, &fsstat
->fbytes
)) != 0)
3023 if ((status
= decode_attr_space_total(xdr
, bitmap
, &fsstat
->tbytes
)) != 0)
3026 status
= verify_attr_len(xdr
, savep
, attrlen
);
3028 dprintk("%s: xdr returned %d!\n", __FUNCTION__
, -status
);
3032 static int decode_pathconf(struct xdr_stream
*xdr
, struct nfs_pathconf
*pathconf
)
3039 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
3041 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
3043 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
3046 if ((status
= decode_attr_maxlink(xdr
, bitmap
, &pathconf
->max_link
)) != 0)
3048 if ((status
= decode_attr_maxname(xdr
, bitmap
, &pathconf
->max_namelen
)) != 0)
3051 status
= verify_attr_len(xdr
, savep
, attrlen
);
3053 dprintk("%s: xdr returned %d!\n", __FUNCTION__
, -status
);
3057 static int decode_getfattr(struct xdr_stream
*xdr
, struct nfs_fattr
*fattr
, const struct nfs_server
*server
)
3063 int status
, fmode
= 0;
3066 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
3068 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
3071 fattr
->bitmap
[0] = bitmap
[0];
3072 fattr
->bitmap
[1] = bitmap
[1];
3074 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
3078 if ((status
= decode_attr_type(xdr
, bitmap
, &type
)) != 0)
3080 fattr
->type
= nfs_type2fmt
[type
].nfs2type
;
3081 fmode
= nfs_type2fmt
[type
].mode
;
3083 if ((status
= decode_attr_change(xdr
, bitmap
, &fattr
->change_attr
)) != 0)
3085 if ((status
= decode_attr_size(xdr
, bitmap
, &fattr
->size
)) != 0)
3087 if ((status
= decode_attr_fsid(xdr
, bitmap
, &fattr
->fsid
)) != 0)
3089 if ((status
= decode_attr_fileid(xdr
, bitmap
, &fattr
->fileid
)) != 0)
3091 if ((status
= decode_attr_fs_locations(xdr
, bitmap
, container_of(fattr
,
3092 struct nfs4_fs_locations
,
3095 if ((status
= decode_attr_mode(xdr
, bitmap
, &fattr
->mode
)) != 0)
3097 fattr
->mode
|= fmode
;
3098 if ((status
= decode_attr_nlink(xdr
, bitmap
, &fattr
->nlink
)) != 0)
3100 if ((status
= decode_attr_owner(xdr
, bitmap
, server
->nfs_client
, &fattr
->uid
)) != 0)
3102 if ((status
= decode_attr_group(xdr
, bitmap
, server
->nfs_client
, &fattr
->gid
)) != 0)
3104 if ((status
= decode_attr_rdev(xdr
, bitmap
, &fattr
->rdev
)) != 0)
3106 if ((status
= decode_attr_space_used(xdr
, bitmap
, &fattr
->du
.nfs3
.used
)) != 0)
3108 if ((status
= decode_attr_time_access(xdr
, bitmap
, &fattr
->atime
)) != 0)
3110 if ((status
= decode_attr_time_metadata(xdr
, bitmap
, &fattr
->ctime
)) != 0)
3112 if ((status
= decode_attr_time_modify(xdr
, bitmap
, &fattr
->mtime
)) != 0)
3114 if ((status
= decode_attr_mounted_on_fileid(xdr
, bitmap
, &fileid
)) != 0)
3116 if (fattr
->fileid
== 0 && fileid
!= 0)
3117 fattr
->fileid
= fileid
;
3118 if ((status
= verify_attr_len(xdr
, savep
, attrlen
)) == 0)
3119 fattr
->valid
= NFS_ATTR_FATTR
| NFS_ATTR_FATTR_V3
| NFS_ATTR_FATTR_V4
;
3121 dprintk("%s: xdr returned %d\n", __FUNCTION__
, -status
);
3126 static int decode_fsinfo(struct xdr_stream
*xdr
, struct nfs_fsinfo
*fsinfo
)
3129 uint32_t attrlen
, bitmap
[2];
3132 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
3134 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
3136 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
3139 fsinfo
->rtmult
= fsinfo
->wtmult
= 512; /* ??? */
3141 if ((status
= decode_attr_lease_time(xdr
, bitmap
, &fsinfo
->lease_time
)) != 0)
3143 if ((status
= decode_attr_maxfilesize(xdr
, bitmap
, &fsinfo
->maxfilesize
)) != 0)
3145 if ((status
= decode_attr_maxread(xdr
, bitmap
, &fsinfo
->rtmax
)) != 0)
3147 fsinfo
->rtpref
= fsinfo
->dtpref
= fsinfo
->rtmax
;
3148 if ((status
= decode_attr_maxwrite(xdr
, bitmap
, &fsinfo
->wtmax
)) != 0)
3150 fsinfo
->wtpref
= fsinfo
->wtmax
;
3152 status
= verify_attr_len(xdr
, savep
, attrlen
);
3154 dprintk("%s: xdr returned %d!\n", __FUNCTION__
, -status
);
3158 static int decode_getfh(struct xdr_stream
*xdr
, struct nfs_fh
*fh
)
3164 status
= decode_op_hdr(xdr
, OP_GETFH
);
3167 /* Zero handle first to allow comparisons */
3168 memset(fh
, 0, sizeof(*fh
));
3172 if (len
> NFS4_FHSIZE
)
3176 COPYMEM(fh
->data
, len
);
3180 static int decode_link(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
3184 status
= decode_op_hdr(xdr
, OP_LINK
);
3187 return decode_change_info(xdr
, cinfo
);
3191 * We create the owner, so we know a proper owner.id length is 4.
3193 static int decode_lock_denied (struct xdr_stream
*xdr
, struct file_lock
*fl
)
3195 uint64_t offset
, length
, clientid
;
3197 uint32_t namelen
, type
;
3204 fl
->fl_start
= (loff_t
)offset
;
3205 fl
->fl_end
= fl
->fl_start
+ (loff_t
)length
- 1;
3206 if (length
== ~(uint64_t)0)
3207 fl
->fl_end
= OFFSET_MAX
;
3208 fl
->fl_type
= F_WRLCK
;
3210 fl
->fl_type
= F_RDLCK
;
3216 return -NFS4ERR_DENIED
;
3219 static int decode_lock(struct xdr_stream
*xdr
, struct nfs_lock_res
*res
)
3224 status
= decode_op_hdr(xdr
, OP_LOCK
);
3226 READ_BUF(NFS4_STATEID_SIZE
);
3227 COPYMEM(res
->stateid
.data
, NFS4_STATEID_SIZE
);
3228 } else if (status
== -NFS4ERR_DENIED
)
3229 return decode_lock_denied(xdr
, NULL
);
3233 static int decode_lockt(struct xdr_stream
*xdr
, struct nfs_lockt_res
*res
)
3236 status
= decode_op_hdr(xdr
, OP_LOCKT
);
3237 if (status
== -NFS4ERR_DENIED
)
3238 return decode_lock_denied(xdr
, res
->denied
);
3242 static int decode_locku(struct xdr_stream
*xdr
, struct nfs_locku_res
*res
)
3247 status
= decode_op_hdr(xdr
, OP_LOCKU
);
3249 READ_BUF(NFS4_STATEID_SIZE
);
3250 COPYMEM(res
->stateid
.data
, NFS4_STATEID_SIZE
);
3255 static int decode_lookup(struct xdr_stream
*xdr
)
3257 return decode_op_hdr(xdr
, OP_LOOKUP
);
3260 /* This is too sick! */
3261 static int decode_space_limit(struct xdr_stream
*xdr
, u64
*maxsize
)
3264 uint32_t limit_type
, nblocks
, blocksize
;
3268 switch (limit_type
) {
3275 *maxsize
= (uint64_t)nblocks
* (uint64_t)blocksize
;
3280 static int decode_delegation(struct xdr_stream
*xdr
, struct nfs_openres
*res
)
3283 uint32_t delegation_type
;
3286 READ32(delegation_type
);
3287 if (delegation_type
== NFS4_OPEN_DELEGATE_NONE
) {
3288 res
->delegation_type
= 0;
3291 READ_BUF(NFS4_STATEID_SIZE
+4);
3292 COPYMEM(res
->delegation
.data
, NFS4_STATEID_SIZE
);
3293 READ32(res
->do_recall
);
3294 switch (delegation_type
) {
3295 case NFS4_OPEN_DELEGATE_READ
:
3296 res
->delegation_type
= FMODE_READ
;
3298 case NFS4_OPEN_DELEGATE_WRITE
:
3299 res
->delegation_type
= FMODE_WRITE
|FMODE_READ
;
3300 if (decode_space_limit(xdr
, &res
->maxsize
) < 0)
3303 return decode_ace(xdr
, NULL
, res
->server
->nfs_client
);
3306 static int decode_open(struct xdr_stream
*xdr
, struct nfs_openres
*res
)
3309 uint32_t savewords
, bmlen
, i
;
3312 status
= decode_op_hdr(xdr
, OP_OPEN
);
3315 READ_BUF(NFS4_STATEID_SIZE
);
3316 COPYMEM(res
->stateid
.data
, NFS4_STATEID_SIZE
);
3318 decode_change_info(xdr
, &res
->cinfo
);
3321 READ32(res
->rflags
);
3326 READ_BUF(bmlen
<< 2);
3327 savewords
= min_t(uint32_t, bmlen
, NFS4_BITMAP_SIZE
);
3328 for (i
= 0; i
< savewords
; ++i
)
3329 READ32(res
->attrset
[i
]);
3330 for (; i
< NFS4_BITMAP_SIZE
; i
++)
3331 res
->attrset
[i
] = 0;
3333 return decode_delegation(xdr
, res
);
3335 dprintk("%s: Bitmap too large! Length = %u\n", __FUNCTION__
, bmlen
);
3339 static int decode_open_confirm(struct xdr_stream
*xdr
, struct nfs_open_confirmres
*res
)
3344 status
= decode_op_hdr(xdr
, OP_OPEN_CONFIRM
);
3347 READ_BUF(NFS4_STATEID_SIZE
);
3348 COPYMEM(res
->stateid
.data
, NFS4_STATEID_SIZE
);
3352 static int decode_open_downgrade(struct xdr_stream
*xdr
, struct nfs_closeres
*res
)
3357 status
= decode_op_hdr(xdr
, OP_OPEN_DOWNGRADE
);
3360 READ_BUF(NFS4_STATEID_SIZE
);
3361 COPYMEM(res
->stateid
.data
, NFS4_STATEID_SIZE
);
3365 static int decode_putfh(struct xdr_stream
*xdr
)
3367 return decode_op_hdr(xdr
, OP_PUTFH
);
3370 static int decode_putrootfh(struct xdr_stream
*xdr
)
3372 return decode_op_hdr(xdr
, OP_PUTROOTFH
);
3375 static int decode_read(struct xdr_stream
*xdr
, struct rpc_rqst
*req
, struct nfs_readres
*res
)
3377 struct kvec
*iov
= req
->rq_rcv_buf
.head
;
3379 uint32_t count
, eof
, recvd
, hdrlen
;
3382 status
= decode_op_hdr(xdr
, OP_READ
);
3388 hdrlen
= (u8
*) p
- (u8
*) iov
->iov_base
;
3389 recvd
= req
->rq_rcv_buf
.len
- hdrlen
;
3390 if (count
> recvd
) {
3391 printk(KERN_WARNING
"NFS: server cheating in read reply: "
3392 "count %u > recvd %u\n", count
, recvd
);
3396 xdr_read_pages(xdr
, count
);
3402 static int decode_readdir(struct xdr_stream
*xdr
, struct rpc_rqst
*req
, struct nfs4_readdir_res
*readdir
)
3404 struct xdr_buf
*rcvbuf
= &req
->rq_rcv_buf
;
3405 struct page
*page
= *rcvbuf
->pages
;
3406 struct kvec
*iov
= rcvbuf
->head
;
3407 unsigned int nr
, pglen
= rcvbuf
->page_len
;
3408 __be32
*end
, *entry
, *p
, *kaddr
;
3409 uint32_t len
, attrlen
, xlen
;
3410 int hdrlen
, recvd
, status
;
3412 status
= decode_op_hdr(xdr
, OP_READDIR
);
3416 COPYMEM(readdir
->verifier
.data
, 8);
3417 dprintk("%s: verifier = 0x%x%x\n",
3419 ((u32
*)readdir
->verifier
.data
)[0],
3420 ((u32
*)readdir
->verifier
.data
)[1]);
3423 hdrlen
= (char *) p
- (char *) iov
->iov_base
;
3424 recvd
= rcvbuf
->len
- hdrlen
;
3427 xdr_read_pages(xdr
, pglen
);
3429 BUG_ON(pglen
+ readdir
->pgbase
> PAGE_CACHE_SIZE
);
3430 kaddr
= p
= kmap_atomic(page
, KM_USER0
);
3431 end
= p
+ ((pglen
+ readdir
->pgbase
) >> 2);
3433 for (nr
= 0; *p
++; nr
++) {
3436 dprintk("cookie = %Lu, ", *((unsigned long long *)p
));
3437 p
+= 2; /* cookie */
3438 len
= ntohl(*p
++); /* filename length */
3439 if (len
> NFS4_MAXNAMLEN
) {
3440 printk(KERN_WARNING
"NFS: giant filename in readdir (len 0x%x)\n", len
);
3443 xlen
= XDR_QUADLEN(len
);
3444 if (end
- p
< xlen
+ 1)
3446 dprintk("filename = %*s\n", len
, (char *)p
);
3448 len
= ntohl(*p
++); /* bitmap length */
3449 if (end
- p
< len
+ 1)
3452 attrlen
= XDR_QUADLEN(ntohl(*p
++));
3453 if (end
- p
< attrlen
+ 2)
3455 p
+= attrlen
; /* attributes */
3458 if (!nr
&& (entry
[0] != 0 || entry
[1] == 0))
3461 kunmap_atomic(kaddr
, KM_USER0
);
3464 dprintk("%s: short packet at entry %d\n", __FUNCTION__
, nr
);
3465 entry
[0] = entry
[1] = 0;
3466 /* truncate listing ? */
3468 printk(KERN_NOTICE
"NFS: readdir reply truncated!\n");
3473 kunmap_atomic(kaddr
, KM_USER0
);
3474 return -errno_NFSERR_IO
;
3477 static int decode_readlink(struct xdr_stream
*xdr
, struct rpc_rqst
*req
)
3479 struct xdr_buf
*rcvbuf
= &req
->rq_rcv_buf
;
3480 struct kvec
*iov
= rcvbuf
->head
;
3481 int hdrlen
, len
, recvd
;
3486 status
= decode_op_hdr(xdr
, OP_READLINK
);
3490 /* Convert length of symlink */
3493 if (len
>= rcvbuf
->page_len
|| len
<= 0) {
3494 dprintk(KERN_WARNING
"nfs: server returned giant symlink!\n");
3495 return -ENAMETOOLONG
;
3497 hdrlen
= (char *) xdr
->p
- (char *) iov
->iov_base
;
3498 recvd
= req
->rq_rcv_buf
.len
- hdrlen
;
3500 printk(KERN_WARNING
"NFS: server cheating in readlink reply: "
3501 "count %u > recvd %u\n", len
, recvd
);
3504 xdr_read_pages(xdr
, len
);
3506 * The XDR encode routine has set things up so that
3507 * the link text will be copied directly into the
3508 * buffer. We just have to do overflow-checking,
3509 * and and null-terminate the text (the VFS expects
3510 * null-termination).
3512 kaddr
= (char *)kmap_atomic(rcvbuf
->pages
[0], KM_USER0
);
3513 kaddr
[len
+rcvbuf
->page_base
] = '\0';
3514 kunmap_atomic(kaddr
, KM_USER0
);
3518 static int decode_remove(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
3522 status
= decode_op_hdr(xdr
, OP_REMOVE
);
3525 status
= decode_change_info(xdr
, cinfo
);
3530 static int decode_rename(struct xdr_stream
*xdr
, struct nfs4_change_info
*old_cinfo
,
3531 struct nfs4_change_info
*new_cinfo
)
3535 status
= decode_op_hdr(xdr
, OP_RENAME
);
3538 if ((status
= decode_change_info(xdr
, old_cinfo
)))
3540 status
= decode_change_info(xdr
, new_cinfo
);
3545 static int decode_renew(struct xdr_stream
*xdr
)
3547 return decode_op_hdr(xdr
, OP_RENEW
);
3551 decode_restorefh(struct xdr_stream
*xdr
)
3553 return decode_op_hdr(xdr
, OP_RESTOREFH
);
3556 static int decode_getacl(struct xdr_stream
*xdr
, struct rpc_rqst
*req
,
3562 struct kvec
*iov
= req
->rq_rcv_buf
.head
;
3566 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
3568 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
3570 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
3573 if (unlikely(bitmap
[0] & (FATTR4_WORD0_ACL
- 1U)))
3575 if (likely(bitmap
[0] & FATTR4_WORD0_ACL
)) {
3578 /* We ignore &savep and don't do consistency checks on
3579 * the attr length. Let userspace figure it out.... */
3580 hdrlen
= (u8
*)xdr
->p
- (u8
*)iov
->iov_base
;
3581 recvd
= req
->rq_rcv_buf
.len
- hdrlen
;
3582 if (attrlen
> recvd
) {
3583 printk(KERN_WARNING
"NFS: server cheating in getattr"
3584 " acl reply: attrlen %u > recvd %u\n",
3588 xdr_read_pages(xdr
, attrlen
);
3591 status
= -EOPNOTSUPP
;
3598 decode_savefh(struct xdr_stream
*xdr
)
3600 return decode_op_hdr(xdr
, OP_SAVEFH
);
3603 static int decode_setattr(struct xdr_stream
*xdr
, struct nfs_setattrres
*res
)
3610 status
= decode_op_hdr(xdr
, OP_SETATTR
);
3615 READ_BUF(bmlen
<< 2);
3619 static int decode_setclientid(struct xdr_stream
*xdr
, struct nfs_client
*clp
)
3627 if (opnum
!= OP_SETCLIENTID
) {
3629 "nfs4_decode_setclientid: Server returned operation"
3634 if (nfserr
== NFS_OK
) {
3635 READ_BUF(8 + NFS4_VERIFIER_SIZE
);
3636 READ64(clp
->cl_clientid
);
3637 COPYMEM(clp
->cl_confirm
.data
, NFS4_VERIFIER_SIZE
);
3638 } else if (nfserr
== NFSERR_CLID_INUSE
) {
3641 /* skip netid string */
3646 /* skip uaddr string */
3650 return -NFSERR_CLID_INUSE
;
3652 return -nfs4_stat_to_errno(nfserr
);
3657 static int decode_setclientid_confirm(struct xdr_stream
*xdr
)
3659 return decode_op_hdr(xdr
, OP_SETCLIENTID_CONFIRM
);
3662 static int decode_write(struct xdr_stream
*xdr
, struct nfs_writeres
*res
)
3667 status
= decode_op_hdr(xdr
, OP_WRITE
);
3673 READ32(res
->verf
->committed
);
3674 COPYMEM(res
->verf
->verifier
, 8);
3678 static int decode_delegreturn(struct xdr_stream
*xdr
)
3680 return decode_op_hdr(xdr
, OP_DELEGRETURN
);
3684 * Decode OPEN_DOWNGRADE response
3686 static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs_closeres
*res
)
3688 struct xdr_stream xdr
;
3689 struct compound_hdr hdr
;
3692 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
3693 status
= decode_compound_hdr(&xdr
, &hdr
);
3696 status
= decode_putfh(&xdr
);
3699 status
= decode_open_downgrade(&xdr
, res
);
3702 decode_getfattr(&xdr
, res
->fattr
, res
->server
);
3708 * END OF "GENERIC" DECODE ROUTINES.
3712 * Decode ACCESS response
3714 static int nfs4_xdr_dec_access(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs4_accessres
*res
)
3716 struct xdr_stream xdr
;
3717 struct compound_hdr hdr
;
3720 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
3721 if ((status
= decode_compound_hdr(&xdr
, &hdr
)) != 0)
3723 if ((status
= decode_putfh(&xdr
)) == 0)
3724 status
= decode_access(&xdr
, res
);
3730 * Decode LOOKUP response
3732 static int nfs4_xdr_dec_lookup(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs4_lookup_res
*res
)
3734 struct xdr_stream xdr
;
3735 struct compound_hdr hdr
;
3738 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
3739 if ((status
= decode_compound_hdr(&xdr
, &hdr
)) != 0)
3741 if ((status
= decode_putfh(&xdr
)) != 0)
3743 if ((status
= decode_lookup(&xdr
)) != 0)
3745 if ((status
= decode_getfh(&xdr
, res
->fh
)) != 0)
3747 status
= decode_getfattr(&xdr
, res
->fattr
, res
->server
);
3753 * Decode LOOKUP_ROOT response
3755 static int nfs4_xdr_dec_lookup_root(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs4_lookup_res
*res
)
3757 struct xdr_stream xdr
;
3758 struct compound_hdr hdr
;
3761 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
3762 if ((status
= decode_compound_hdr(&xdr
, &hdr
)) != 0)
3764 if ((status
= decode_putrootfh(&xdr
)) != 0)
3766 if ((status
= decode_getfh(&xdr
, res
->fh
)) == 0)
3767 status
= decode_getfattr(&xdr
, res
->fattr
, res
->server
);
3773 * Decode REMOVE response
3775 static int nfs4_xdr_dec_remove(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs4_remove_res
*res
)
3777 struct xdr_stream xdr
;
3778 struct compound_hdr hdr
;
3781 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
3782 if ((status
= decode_compound_hdr(&xdr
, &hdr
)) != 0)
3784 if ((status
= decode_putfh(&xdr
)) != 0)
3786 if ((status
= decode_remove(&xdr
, &res
->cinfo
)) != 0)
3788 decode_getfattr(&xdr
, res
->dir_attr
, res
->server
);
3794 * Decode RENAME response
3796 static int nfs4_xdr_dec_rename(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs4_rename_res
*res
)
3798 struct xdr_stream xdr
;
3799 struct compound_hdr hdr
;
3802 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
3803 if ((status
= decode_compound_hdr(&xdr
, &hdr
)) != 0)
3805 if ((status
= decode_putfh(&xdr
)) != 0)
3807 if ((status
= decode_savefh(&xdr
)) != 0)
3809 if ((status
= decode_putfh(&xdr
)) != 0)
3811 if ((status
= decode_rename(&xdr
, &res
->old_cinfo
, &res
->new_cinfo
)) != 0)
3813 /* Current FH is target directory */
3814 if (decode_getfattr(&xdr
, res
->new_fattr
, res
->server
) != 0)
3816 if ((status
= decode_restorefh(&xdr
)) != 0)
3818 decode_getfattr(&xdr
, res
->old_fattr
, res
->server
);
3824 * Decode LINK response
3826 static int nfs4_xdr_dec_link(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs4_link_res
*res
)
3828 struct xdr_stream xdr
;
3829 struct compound_hdr hdr
;
3832 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
3833 if ((status
= decode_compound_hdr(&xdr
, &hdr
)) != 0)
3835 if ((status
= decode_putfh(&xdr
)) != 0)
3837 if ((status
= decode_savefh(&xdr
)) != 0)
3839 if ((status
= decode_putfh(&xdr
)) != 0)
3841 if ((status
= decode_link(&xdr
, &res
->cinfo
)) != 0)
3844 * Note order: OP_LINK leaves the directory as the current
3847 if (decode_getfattr(&xdr
, res
->dir_attr
, res
->server
) != 0)
3849 if ((status
= decode_restorefh(&xdr
)) != 0)
3851 decode_getfattr(&xdr
, res
->fattr
, res
->server
);
3857 * Decode CREATE response
3859 static int nfs4_xdr_dec_create(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs4_create_res
*res
)
3861 struct xdr_stream xdr
;
3862 struct compound_hdr hdr
;
3865 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
3866 if ((status
= decode_compound_hdr(&xdr
, &hdr
)) != 0)
3868 if ((status
= decode_putfh(&xdr
)) != 0)
3870 if ((status
= decode_savefh(&xdr
)) != 0)
3872 if ((status
= decode_create(&xdr
,&res
->dir_cinfo
)) != 0)
3874 if ((status
= decode_getfh(&xdr
, res
->fh
)) != 0)
3876 if (decode_getfattr(&xdr
, res
->fattr
, res
->server
) != 0)
3878 if ((status
= decode_restorefh(&xdr
)) != 0)
3880 decode_getfattr(&xdr
, res
->dir_fattr
, res
->server
);
3886 * Decode SYMLINK response
3888 static int nfs4_xdr_dec_symlink(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs4_create_res
*res
)
3890 return nfs4_xdr_dec_create(rqstp
, p
, res
);
3894 * Decode GETATTR response
3896 static int nfs4_xdr_dec_getattr(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs4_getattr_res
*res
)
3898 struct xdr_stream xdr
;
3899 struct compound_hdr hdr
;
3902 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
3903 status
= decode_compound_hdr(&xdr
, &hdr
);
3906 status
= decode_putfh(&xdr
);
3909 status
= decode_getfattr(&xdr
, res
->fattr
, res
->server
);
3916 * Encode an SETACL request
3919 nfs4_xdr_enc_setacl(struct rpc_rqst
*req
, __be32
*p
, struct nfs_setaclargs
*args
)
3921 struct xdr_stream xdr
;
3922 struct compound_hdr hdr
= {
3927 xdr_init_encode(&xdr
, &req
->rq_snd_buf
, p
);
3928 encode_compound_hdr(&xdr
, &hdr
);
3929 status
= encode_putfh(&xdr
, args
->fh
);
3932 status
= encode_setacl(&xdr
, args
);
3937 * Decode SETACL response
3940 nfs4_xdr_dec_setacl(struct rpc_rqst
*rqstp
, __be32
*p
, void *res
)
3942 struct xdr_stream xdr
;
3943 struct compound_hdr hdr
;
3946 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
3947 status
= decode_compound_hdr(&xdr
, &hdr
);
3950 status
= decode_putfh(&xdr
);
3953 status
= decode_setattr(&xdr
, res
);
3959 * Decode GETACL response
3962 nfs4_xdr_dec_getacl(struct rpc_rqst
*rqstp
, __be32
*p
, size_t *acl_len
)
3964 struct xdr_stream xdr
;
3965 struct compound_hdr hdr
;
3968 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
3969 status
= decode_compound_hdr(&xdr
, &hdr
);
3972 status
= decode_putfh(&xdr
);
3975 status
= decode_getacl(&xdr
, rqstp
, acl_len
);
3982 * Decode CLOSE response
3984 static int nfs4_xdr_dec_close(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs_closeres
*res
)
3986 struct xdr_stream xdr
;
3987 struct compound_hdr hdr
;
3990 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
3991 status
= decode_compound_hdr(&xdr
, &hdr
);
3994 status
= decode_putfh(&xdr
);
3997 status
= decode_close(&xdr
, res
);
4001 * Note: Server may do delete on close for this file
4002 * in which case the getattr call will fail with
4003 * an ESTALE error. Shouldn't be a problem,
4004 * though, since fattr->valid will remain unset.
4006 decode_getfattr(&xdr
, res
->fattr
, res
->server
);
4012 * Decode OPEN response
4014 static int nfs4_xdr_dec_open(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs_openres
*res
)
4016 struct xdr_stream xdr
;
4017 struct compound_hdr hdr
;
4020 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
4021 status
= decode_compound_hdr(&xdr
, &hdr
);
4024 status
= decode_putfh(&xdr
);
4027 status
= decode_savefh(&xdr
);
4030 status
= decode_open(&xdr
, res
);
4033 status
= decode_getfh(&xdr
, &res
->fh
);
4036 if (decode_getfattr(&xdr
, res
->f_attr
, res
->server
) != 0)
4038 if ((status
= decode_restorefh(&xdr
)) != 0)
4040 decode_getfattr(&xdr
, res
->dir_attr
, res
->server
);
4046 * Decode OPEN_CONFIRM response
4048 static int nfs4_xdr_dec_open_confirm(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs_open_confirmres
*res
)
4050 struct xdr_stream xdr
;
4051 struct compound_hdr hdr
;
4054 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
4055 status
= decode_compound_hdr(&xdr
, &hdr
);
4058 status
= decode_putfh(&xdr
);
4061 status
= decode_open_confirm(&xdr
, res
);
4067 * Decode OPEN response
4069 static int nfs4_xdr_dec_open_noattr(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs_openres
*res
)
4071 struct xdr_stream xdr
;
4072 struct compound_hdr hdr
;
4075 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
4076 status
= decode_compound_hdr(&xdr
, &hdr
);
4079 status
= decode_putfh(&xdr
);
4082 status
= decode_open(&xdr
, res
);
4085 decode_getfattr(&xdr
, res
->f_attr
, res
->server
);
4091 * Decode SETATTR response
4093 static int nfs4_xdr_dec_setattr(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs_setattrres
*res
)
4095 struct xdr_stream xdr
;
4096 struct compound_hdr hdr
;
4099 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
4100 status
= decode_compound_hdr(&xdr
, &hdr
);
4103 status
= decode_putfh(&xdr
);
4106 status
= decode_setattr(&xdr
, res
);
4109 status
= decode_getfattr(&xdr
, res
->fattr
, res
->server
);
4110 if (status
== NFS4ERR_DELAY
)
4117 * Decode LOCK response
4119 static int nfs4_xdr_dec_lock(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs_lock_res
*res
)
4121 struct xdr_stream xdr
;
4122 struct compound_hdr hdr
;
4125 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
4126 status
= decode_compound_hdr(&xdr
, &hdr
);
4129 status
= decode_putfh(&xdr
);
4132 status
= decode_lock(&xdr
, res
);
4138 * Decode LOCKT response
4140 static int nfs4_xdr_dec_lockt(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs_lockt_res
*res
)
4142 struct xdr_stream xdr
;
4143 struct compound_hdr hdr
;
4146 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
4147 status
= decode_compound_hdr(&xdr
, &hdr
);
4150 status
= decode_putfh(&xdr
);
4153 status
= decode_lockt(&xdr
, res
);
4159 * Decode LOCKU response
4161 static int nfs4_xdr_dec_locku(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs_locku_res
*res
)
4163 struct xdr_stream xdr
;
4164 struct compound_hdr hdr
;
4167 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
4168 status
= decode_compound_hdr(&xdr
, &hdr
);
4171 status
= decode_putfh(&xdr
);
4174 status
= decode_locku(&xdr
, res
);
4180 * Decode READLINK response
4182 static int nfs4_xdr_dec_readlink(struct rpc_rqst
*rqstp
, __be32
*p
, void *res
)
4184 struct xdr_stream xdr
;
4185 struct compound_hdr hdr
;
4188 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
4189 status
= decode_compound_hdr(&xdr
, &hdr
);
4192 status
= decode_putfh(&xdr
);
4195 status
= decode_readlink(&xdr
, rqstp
);
4201 * Decode READDIR response
4203 static int nfs4_xdr_dec_readdir(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs4_readdir_res
*res
)
4205 struct xdr_stream xdr
;
4206 struct compound_hdr hdr
;
4209 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
4210 status
= decode_compound_hdr(&xdr
, &hdr
);
4213 status
= decode_putfh(&xdr
);
4216 status
= decode_readdir(&xdr
, rqstp
, res
);
4222 * Decode Read response
4224 static int nfs4_xdr_dec_read(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs_readres
*res
)
4226 struct xdr_stream xdr
;
4227 struct compound_hdr hdr
;
4230 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
4231 status
= decode_compound_hdr(&xdr
, &hdr
);
4234 status
= decode_putfh(&xdr
);
4237 status
= decode_read(&xdr
, rqstp
, res
);
4239 status
= res
->count
;
4245 * Decode WRITE response
4247 static int nfs4_xdr_dec_write(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs_writeres
*res
)
4249 struct xdr_stream xdr
;
4250 struct compound_hdr hdr
;
4253 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
4254 status
= decode_compound_hdr(&xdr
, &hdr
);
4257 status
= decode_putfh(&xdr
);
4260 status
= decode_write(&xdr
, res
);
4263 decode_getfattr(&xdr
, res
->fattr
, res
->server
);
4265 status
= res
->count
;
4271 * Decode COMMIT response
4273 static int nfs4_xdr_dec_commit(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs_writeres
*res
)
4275 struct xdr_stream xdr
;
4276 struct compound_hdr hdr
;
4279 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
4280 status
= decode_compound_hdr(&xdr
, &hdr
);
4283 status
= decode_putfh(&xdr
);
4286 status
= decode_commit(&xdr
, res
);
4289 decode_getfattr(&xdr
, res
->fattr
, res
->server
);
4297 static int nfs4_xdr_dec_fsinfo(struct rpc_rqst
*req
, __be32
*p
, struct nfs_fsinfo
*fsinfo
)
4299 struct xdr_stream xdr
;
4300 struct compound_hdr hdr
;
4303 xdr_init_decode(&xdr
, &req
->rq_rcv_buf
, p
);
4304 status
= decode_compound_hdr(&xdr
, &hdr
);
4306 status
= decode_putfh(&xdr
);
4308 status
= decode_fsinfo(&xdr
, fsinfo
);
4310 status
= -nfs4_stat_to_errno(hdr
.status
);
4317 static int nfs4_xdr_dec_pathconf(struct rpc_rqst
*req
, __be32
*p
, struct nfs_pathconf
*pathconf
)
4319 struct xdr_stream xdr
;
4320 struct compound_hdr hdr
;
4323 xdr_init_decode(&xdr
, &req
->rq_rcv_buf
, p
);
4324 status
= decode_compound_hdr(&xdr
, &hdr
);
4326 status
= decode_putfh(&xdr
);
4328 status
= decode_pathconf(&xdr
, pathconf
);
4335 static int nfs4_xdr_dec_statfs(struct rpc_rqst
*req
, __be32
*p
, struct nfs_fsstat
*fsstat
)
4337 struct xdr_stream xdr
;
4338 struct compound_hdr hdr
;
4341 xdr_init_decode(&xdr
, &req
->rq_rcv_buf
, p
);
4342 status
= decode_compound_hdr(&xdr
, &hdr
);
4344 status
= decode_putfh(&xdr
);
4346 status
= decode_statfs(&xdr
, fsstat
);
4351 * GETATTR_BITMAP request
4353 static int nfs4_xdr_dec_server_caps(struct rpc_rqst
*req
, __be32
*p
, struct nfs4_server_caps_res
*res
)
4355 struct xdr_stream xdr
;
4356 struct compound_hdr hdr
;
4359 xdr_init_decode(&xdr
, &req
->rq_rcv_buf
, p
);
4360 if ((status
= decode_compound_hdr(&xdr
, &hdr
)) != 0)
4362 if ((status
= decode_putfh(&xdr
)) != 0)
4364 status
= decode_server_caps(&xdr
, res
);
4370 * Decode RENEW response
4372 static int nfs4_xdr_dec_renew(struct rpc_rqst
*rqstp
, __be32
*p
, void *dummy
)
4374 struct xdr_stream xdr
;
4375 struct compound_hdr hdr
;
4378 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
4379 status
= decode_compound_hdr(&xdr
, &hdr
);
4381 status
= decode_renew(&xdr
);
4386 * a SETCLIENTID request
4388 static int nfs4_xdr_dec_setclientid(struct rpc_rqst
*req
, __be32
*p
,
4389 struct nfs_client
*clp
)
4391 struct xdr_stream xdr
;
4392 struct compound_hdr hdr
;
4395 xdr_init_decode(&xdr
, &req
->rq_rcv_buf
, p
);
4396 status
= decode_compound_hdr(&xdr
, &hdr
);
4398 status
= decode_setclientid(&xdr
, clp
);
4400 status
= -nfs4_stat_to_errno(hdr
.status
);
4405 * a SETCLIENTID_CONFIRM request
4407 static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst
*req
, __be32
*p
, struct nfs_fsinfo
*fsinfo
)
4409 struct xdr_stream xdr
;
4410 struct compound_hdr hdr
;
4413 xdr_init_decode(&xdr
, &req
->rq_rcv_buf
, p
);
4414 status
= decode_compound_hdr(&xdr
, &hdr
);
4416 status
= decode_setclientid_confirm(&xdr
);
4418 status
= decode_putrootfh(&xdr
);
4420 status
= decode_fsinfo(&xdr
, fsinfo
);
4422 status
= -nfs4_stat_to_errno(hdr
.status
);
4427 * DELEGRETURN request
4429 static int nfs4_xdr_dec_delegreturn(struct rpc_rqst
*rqstp
, __be32
*p
, struct nfs4_delegreturnres
*res
)
4431 struct xdr_stream xdr
;
4432 struct compound_hdr hdr
;
4435 xdr_init_decode(&xdr
, &rqstp
->rq_rcv_buf
, p
);
4436 status
= decode_compound_hdr(&xdr
, &hdr
);
4439 status
= decode_putfh(&xdr
);
4442 status
= decode_delegreturn(&xdr
);
4443 decode_getfattr(&xdr
, res
->fattr
, res
->server
);
4449 * FS_LOCATIONS request
4451 static int nfs4_xdr_dec_fs_locations(struct rpc_rqst
*req
, __be32
*p
, struct nfs4_fs_locations
*res
)
4453 struct xdr_stream xdr
;
4454 struct compound_hdr hdr
;
4457 xdr_init_decode(&xdr
, &req
->rq_rcv_buf
, p
);
4458 status
= decode_compound_hdr(&xdr
, &hdr
);
4461 if ((status
= decode_putfh(&xdr
)) != 0)
4463 if ((status
= decode_lookup(&xdr
)) != 0)
4465 xdr_enter_page(&xdr
, PAGE_SIZE
);
4466 status
= decode_getfattr(&xdr
, &res
->fattr
, res
->server
);
4471 __be32
*nfs4_decode_dirent(__be32
*p
, struct nfs_entry
*entry
, int plus
)
4473 uint32_t bitmap
[2] = {0};
4478 return ERR_PTR(-EAGAIN
);
4480 return ERR_PTR(-EBADCOOKIE
);
4483 entry
->prev_cookie
= entry
->cookie
;
4484 p
= xdr_decode_hyper(p
, &entry
->cookie
);
4485 entry
->len
= ntohl(*p
++);
4486 entry
->name
= (const char *) p
;
4487 p
+= XDR_QUADLEN(entry
->len
);
4490 * In case the server doesn't return an inode number,
4491 * we fake one here. (We don't use inode number 0,
4492 * since glibc seems to choke on it...)
4496 len
= ntohl(*p
++); /* bitmap length */
4498 bitmap
[0] = ntohl(*p
++);
4500 bitmap
[1] = ntohl(*p
++);
4504 len
= XDR_QUADLEN(ntohl(*p
++)); /* attribute buffer length */
4506 if (bitmap
[0] & FATTR4_WORD0_RDATTR_ERROR
) {
4507 bitmap
[0] &= ~FATTR4_WORD0_RDATTR_ERROR
;
4508 /* Ignore the return value of rdattr_error for now */
4512 if (bitmap
[0] == 0 && bitmap
[1] == FATTR4_WORD1_MOUNTED_ON_FILEID
)
4513 xdr_decode_hyper(p
, &entry
->ino
);
4514 else if (bitmap
[0] == FATTR4_WORD0_FILEID
)
4515 xdr_decode_hyper(p
, &entry
->ino
);
4519 entry
->eof
= !p
[0] && p
[1];
4524 * We need to translate between nfs status return values and
4525 * the local errno values which may not be the same.
4532 { NFS4ERR_PERM
, EPERM
},
4533 { NFS4ERR_NOENT
, ENOENT
},
4534 { NFS4ERR_IO
, errno_NFSERR_IO
},
4535 { NFS4ERR_NXIO
, ENXIO
},
4536 { NFS4ERR_ACCESS
, EACCES
},
4537 { NFS4ERR_EXIST
, EEXIST
},
4538 { NFS4ERR_XDEV
, EXDEV
},
4539 { NFS4ERR_NOTDIR
, ENOTDIR
},
4540 { NFS4ERR_ISDIR
, EISDIR
},
4541 { NFS4ERR_INVAL
, EINVAL
},
4542 { NFS4ERR_FBIG
, EFBIG
},
4543 { NFS4ERR_NOSPC
, ENOSPC
},
4544 { NFS4ERR_ROFS
, EROFS
},
4545 { NFS4ERR_MLINK
, EMLINK
},
4546 { NFS4ERR_NAMETOOLONG
, ENAMETOOLONG
},
4547 { NFS4ERR_NOTEMPTY
, ENOTEMPTY
},
4548 { NFS4ERR_DQUOT
, EDQUOT
},
4549 { NFS4ERR_STALE
, ESTALE
},
4550 { NFS4ERR_BADHANDLE
, EBADHANDLE
},
4551 { NFS4ERR_BADOWNER
, EINVAL
},
4552 { NFS4ERR_BADNAME
, EINVAL
},
4553 { NFS4ERR_BAD_COOKIE
, EBADCOOKIE
},
4554 { NFS4ERR_NOTSUPP
, ENOTSUPP
},
4555 { NFS4ERR_TOOSMALL
, ETOOSMALL
},
4556 { NFS4ERR_SERVERFAULT
, ESERVERFAULT
},
4557 { NFS4ERR_BADTYPE
, EBADTYPE
},
4558 { NFS4ERR_LOCKED
, EAGAIN
},
4559 { NFS4ERR_RESOURCE
, EREMOTEIO
},
4560 { NFS4ERR_SYMLINK
, ELOOP
},
4561 { NFS4ERR_OP_ILLEGAL
, EOPNOTSUPP
},
4562 { NFS4ERR_DEADLOCK
, EDEADLK
},
4563 { NFS4ERR_WRONGSEC
, EPERM
}, /* FIXME: this needs
4564 * to be handled by a
4571 * Convert an NFS error code to a local one.
4572 * This one is used jointly by NFSv2 and NFSv3.
4575 nfs4_stat_to_errno(int stat
)
4578 for (i
= 0; nfs_errtbl
[i
].stat
!= -1; i
++) {
4579 if (nfs_errtbl
[i
].stat
== stat
)
4580 return nfs_errtbl
[i
].errno
;
4582 if (stat
<= 10000 || stat
> 10100) {
4583 /* The server is looney tunes. */
4584 return ESERVERFAULT
;
4586 /* If we cannot translate the error, the recovery routines should
4588 * Note: remaining NFSv4 error codes have values > 10000, so should
4589 * not conflict with native Linux error codes.
4594 #define PROC(proc, argtype, restype) \
4595 [NFSPROC4_CLNT_##proc] = { \
4596 .p_proc = NFSPROC4_COMPOUND, \
4597 .p_encode = (kxdrproc_t) nfs4_xdr_##argtype, \
4598 .p_decode = (kxdrproc_t) nfs4_xdr_##restype, \
4599 .p_arglen = NFS4_##argtype##_sz, \
4600 .p_replen = NFS4_##restype##_sz, \
4601 .p_statidx = NFSPROC4_CLNT_##proc, \
4605 struct rpc_procinfo nfs4_procedures
[] = {
4606 PROC(READ
, enc_read
, dec_read
),
4607 PROC(WRITE
, enc_write
, dec_write
),
4608 PROC(COMMIT
, enc_commit
, dec_commit
),
4609 PROC(OPEN
, enc_open
, dec_open
),
4610 PROC(OPEN_CONFIRM
, enc_open_confirm
, dec_open_confirm
),
4611 PROC(OPEN_NOATTR
, enc_open_noattr
, dec_open_noattr
),
4612 PROC(OPEN_DOWNGRADE
, enc_open_downgrade
, dec_open_downgrade
),
4613 PROC(CLOSE
, enc_close
, dec_close
),
4614 PROC(SETATTR
, enc_setattr
, dec_setattr
),
4615 PROC(FSINFO
, enc_fsinfo
, dec_fsinfo
),
4616 PROC(RENEW
, enc_renew
, dec_renew
),
4617 PROC(SETCLIENTID
, enc_setclientid
, dec_setclientid
),
4618 PROC(SETCLIENTID_CONFIRM
, enc_setclientid_confirm
, dec_setclientid_confirm
),
4619 PROC(LOCK
, enc_lock
, dec_lock
),
4620 PROC(LOCKT
, enc_lockt
, dec_lockt
),
4621 PROC(LOCKU
, enc_locku
, dec_locku
),
4622 PROC(ACCESS
, enc_access
, dec_access
),
4623 PROC(GETATTR
, enc_getattr
, dec_getattr
),
4624 PROC(LOOKUP
, enc_lookup
, dec_lookup
),
4625 PROC(LOOKUP_ROOT
, enc_lookup_root
, dec_lookup_root
),
4626 PROC(REMOVE
, enc_remove
, dec_remove
),
4627 PROC(RENAME
, enc_rename
, dec_rename
),
4628 PROC(LINK
, enc_link
, dec_link
),
4629 PROC(SYMLINK
, enc_symlink
, dec_symlink
),
4630 PROC(CREATE
, enc_create
, dec_create
),
4631 PROC(PATHCONF
, enc_pathconf
, dec_pathconf
),
4632 PROC(STATFS
, enc_statfs
, dec_statfs
),
4633 PROC(READLINK
, enc_readlink
, dec_readlink
),
4634 PROC(READDIR
, enc_readdir
, dec_readdir
),
4635 PROC(SERVER_CAPS
, enc_server_caps
, dec_server_caps
),
4636 PROC(DELEGRETURN
, enc_delegreturn
, dec_delegreturn
),
4637 PROC(GETACL
, enc_getacl
, dec_getacl
),
4638 PROC(SETACL
, enc_setacl
, dec_setacl
),
4639 PROC(FS_LOCATIONS
, enc_fs_locations
, dec_fs_locations
),
4642 struct rpc_version nfs_version4
= {
4644 .nrprocs
= ARRAY_SIZE(nfs4_procedures
),
4645 .procs
= nfs4_procedures