blob: 0b5745e219460fcda4d686349e3ba5ce69122318 [file] [log] [blame]
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -06001/*
2 * linux/fs/9p/vfs_inode_dotl.c
3 *
4 * This file contains vfs inode ops for the 9P2000.L protocol.
5 *
6 * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
7 * Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2
11 * as published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to:
20 * Free Software Foundation
21 * 51 Franklin Street, Fifth Floor
22 * Boston, MA 02111-1301 USA
23 *
24 */
25
26#include <linux/module.h>
27#include <linux/errno.h>
28#include <linux/fs.h>
29#include <linux/file.h>
30#include <linux/pagemap.h>
31#include <linux/stat.h>
32#include <linux/string.h>
33#include <linux/inet.h>
34#include <linux/namei.h>
35#include <linux/idr.h>
36#include <linux/sched.h>
37#include <linux/slab.h>
38#include <linux/xattr.h>
39#include <linux/posix_acl.h>
40#include <net/9p/9p.h>
41#include <net/9p/client.h>
42
43#include "v9fs.h"
44#include "v9fs_vfs.h"
45#include "fid.h"
46#include "cache.h"
47#include "xattr.h"
48#include "acl.h"
49
50static int
51v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int omode,
52 dev_t rdev);
53
54/**
55 * v9fs_get_fsgid_for_create - Helper function to get the gid for creating a
56 * new file system object. This checks the S_ISGID to determine the owning
57 * group of the new file system object.
58 */
59
60static gid_t v9fs_get_fsgid_for_create(struct inode *dir_inode)
61{
62 BUG_ON(dir_inode == NULL);
63
64 if (dir_inode->i_mode & S_ISGID) {
65 /* set_gid bit is set.*/
66 return dir_inode->i_gid;
67 }
68 return current_fsgid();
69}
70
71/**
72 * v9fs_dentry_from_dir_inode - helper function to get the dentry from
73 * dir inode.
74 *
75 */
76
77static struct dentry *v9fs_dentry_from_dir_inode(struct inode *inode)
78{
79 struct dentry *dentry;
80
81 spin_lock(&inode->i_lock);
82 /* Directory should have only one entry. */
83 BUG_ON(S_ISDIR(inode->i_mode) && !list_is_singular(&inode->i_dentry));
84 dentry = list_entry(inode->i_dentry.next, struct dentry, d_alias);
85 spin_unlock(&inode->i_lock);
86 return dentry;
87}
88
Aneesh Kumar K.Vfd2421f2011-07-11 16:40:59 +000089static int v9fs_test_inode_dotl(struct inode *inode, void *data)
90{
91 struct v9fs_inode *v9inode = V9FS_I(inode);
92 struct p9_stat_dotl *st = (struct p9_stat_dotl *)data;
93
94 /* don't match inode of different type */
95 if ((inode->i_mode & S_IFMT) != (st->st_mode & S_IFMT))
96 return 0;
97
98 if (inode->i_generation != st->st_gen)
99 return 0;
100
101 /* compare qid details */
102 if (memcmp(&v9inode->qid.version,
103 &st->qid.version, sizeof(v9inode->qid.version)))
104 return 0;
105
106 if (v9inode->qid.type != st->qid.type)
107 return 0;
108 return 1;
109}
110
Aneesh Kumar K.Ved80fcf2011-07-06 16:32:31 +0530111/* Always get a new inode */
112static int v9fs_test_new_inode_dotl(struct inode *inode, void *data)
113{
114 return 0;
115}
116
Aneesh Kumar K.Vfd2421f2011-07-11 16:40:59 +0000117static int v9fs_set_inode_dotl(struct inode *inode, void *data)
118{
119 struct v9fs_inode *v9inode = V9FS_I(inode);
120 struct p9_stat_dotl *st = (struct p9_stat_dotl *)data;
121
122 memcpy(&v9inode->qid, &st->qid, sizeof(st->qid));
123 inode->i_generation = st->st_gen;
124 return 0;
125}
126
Aneesh Kumar K.V5ffc0cb2011-02-28 17:04:01 +0530127static struct inode *v9fs_qid_iget_dotl(struct super_block *sb,
128 struct p9_qid *qid,
129 struct p9_fid *fid,
Aneesh Kumar K.Ved80fcf2011-07-06 16:32:31 +0530130 struct p9_stat_dotl *st,
131 int new)
Aneesh Kumar K.V5ffc0cb2011-02-28 17:04:01 +0530132{
133 int retval;
134 unsigned long i_ino;
135 struct inode *inode;
136 struct v9fs_session_info *v9ses = sb->s_fs_info;
Aneesh Kumar K.Ved80fcf2011-07-06 16:32:31 +0530137 int (*test)(struct inode *, void *);
138
139 if (new)
140 test = v9fs_test_new_inode_dotl;
141 else
142 test = v9fs_test_inode_dotl;
Aneesh Kumar K.V5ffc0cb2011-02-28 17:04:01 +0530143
144 i_ino = v9fs_qid2ino(qid);
Aneesh Kumar K.Ved80fcf2011-07-06 16:32:31 +0530145 inode = iget5_locked(sb, i_ino, test, v9fs_set_inode_dotl, st);
Aneesh Kumar K.V5ffc0cb2011-02-28 17:04:01 +0530146 if (!inode)
147 return ERR_PTR(-ENOMEM);
148 if (!(inode->i_state & I_NEW))
149 return inode;
150 /*
151 * initialize the inode with the stat info
152 * FIXME!! we may need support for stale inodes
153 * later.
154 */
Aneesh Kumar K.Vfd2421f2011-07-11 16:40:59 +0000155 inode->i_ino = i_ino;
Aneesh Kumar K.V45089142011-07-25 18:06:33 +0000156 retval = v9fs_init_inode(v9ses, inode,
157 st->st_mode, new_decode_dev(st->st_rdev));
Aneesh Kumar K.V5ffc0cb2011-02-28 17:04:01 +0530158 if (retval)
159 goto error;
160
161 v9fs_stat2inode_dotl(st, inode);
162#ifdef CONFIG_9P_FSCACHE
Aneesh Kumar K.V5ffc0cb2011-02-28 17:04:01 +0530163 v9fs_cache_inode_get_cookie(inode);
164#endif
165 retval = v9fs_get_acl(inode, fid);
166 if (retval)
167 goto error;
168
169 unlock_new_inode(inode);
170 return inode;
171error:
172 unlock_new_inode(inode);
173 iput(inode);
174 return ERR_PTR(retval);
175
176}
177
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600178struct inode *
Aneesh Kumar K.Va78ce052011-02-28 17:04:02 +0530179v9fs_inode_from_fid_dotl(struct v9fs_session_info *v9ses, struct p9_fid *fid,
Aneesh Kumar K.Ved80fcf2011-07-06 16:32:31 +0530180 struct super_block *sb, int new)
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600181{
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600182 struct p9_stat_dotl *st;
Aneesh Kumar K.V5ffc0cb2011-02-28 17:04:01 +0530183 struct inode *inode = NULL;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600184
Aneesh Kumar K.Vfd2421f2011-07-11 16:40:59 +0000185 st = p9_client_getattr_dotl(fid, P9_STATS_BASIC | P9_STATS_GEN);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600186 if (IS_ERR(st))
187 return ERR_CAST(st);
188
Aneesh Kumar K.Ved80fcf2011-07-06 16:32:31 +0530189 inode = v9fs_qid_iget_dotl(sb, &st->qid, fid, st, new);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600190 kfree(st);
Aneesh Kumar K.V5ffc0cb2011-02-28 17:04:01 +0530191 return inode;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600192}
193
Aneesh Kumar K.Vf88657c2011-08-03 19:55:32 +0530194struct dotl_openflag_map {
195 int open_flag;
196 int dotl_flag;
197};
198
199static int v9fs_mapped_dotl_flags(int flags)
200{
201 int i;
202 int rflags = 0;
203 struct dotl_openflag_map dotl_oflag_map[] = {
204 { O_CREAT, P9_DOTL_CREATE },
205 { O_EXCL, P9_DOTL_EXCL },
206 { O_NOCTTY, P9_DOTL_NOCTTY },
207 { O_TRUNC, P9_DOTL_TRUNC },
208 { O_APPEND, P9_DOTL_APPEND },
209 { O_NONBLOCK, P9_DOTL_NONBLOCK },
210 { O_DSYNC, P9_DOTL_DSYNC },
211 { FASYNC, P9_DOTL_FASYNC },
212 { O_DIRECT, P9_DOTL_DIRECT },
213 { O_LARGEFILE, P9_DOTL_LARGEFILE },
214 { O_DIRECTORY, P9_DOTL_DIRECTORY },
215 { O_NOFOLLOW, P9_DOTL_NOFOLLOW },
216 { O_NOATIME, P9_DOTL_NOATIME },
217 { O_CLOEXEC, P9_DOTL_CLOEXEC },
218 { O_SYNC, P9_DOTL_SYNC},
219 };
220 for (i = 0; i < ARRAY_SIZE(dotl_oflag_map); i++) {
221 if (flags & dotl_oflag_map[i].open_flag)
222 rflags |= dotl_oflag_map[i].dotl_flag;
223 }
224 return rflags;
225}
226
227/**
228 * v9fs_open_to_dotl_flags- convert Linux specific open flags to
229 * plan 9 open flag.
230 * @flags: flags to convert
231 */
232int v9fs_open_to_dotl_flags(int flags)
233{
234 int rflags = 0;
235
236 /*
237 * We have same bits for P9_DOTL_READONLY, P9_DOTL_WRONLY
238 * and P9_DOTL_NOACCESS
239 */
240 rflags |= flags & O_ACCMODE;
241 rflags |= v9fs_mapped_dotl_flags(flags);
242
243 return rflags;
244}
245
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600246/**
247 * v9fs_vfs_create_dotl - VFS hook to create files for 9P2000.L protocol.
248 * @dir: directory inode that is being created
249 * @dentry: dentry that is being deleted
250 * @mode: create permissions
251 * @nd: path information
252 *
253 */
254
255static int
256v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, int omode,
257 struct nameidata *nd)
258{
259 int err = 0;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600260 gid_t gid;
261 int flags;
Al Virod3fb6122011-07-23 18:37:50 -0400262 umode_t mode;
Aneesh Kumar K.V6b39f6d2011-02-28 17:04:03 +0530263 char *name = NULL;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600264 struct file *filp;
265 struct p9_qid qid;
266 struct inode *inode;
Aneesh Kumar K.V6b39f6d2011-02-28 17:04:03 +0530267 struct p9_fid *fid = NULL;
268 struct v9fs_inode *v9inode;
269 struct p9_fid *dfid, *ofid, *inode_fid;
270 struct v9fs_session_info *v9ses;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600271 struct posix_acl *pacl = NULL, *dacl = NULL;
272
273 v9ses = v9fs_inode2v9ses(dir);
Al Virodd7dd552011-06-25 21:17:17 -0400274 if (nd)
Al Viro8a5e9292011-06-25 19:15:54 -0400275 flags = nd->intent.open.flags;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600276 else {
277 /*
278 * create call without LOOKUP_OPEN is due
279 * to mknod of regular files. So use mknod
280 * operation.
281 */
282 return v9fs_vfs_mknod_dotl(dir, dentry, omode, 0);
283 }
284
285 name = (char *) dentry->d_name.name;
286 P9_DPRINTK(P9_DEBUG_VFS, "v9fs_vfs_create_dotl: name:%s flags:0x%x "
287 "mode:0x%x\n", name, flags, omode);
288
289 dfid = v9fs_fid_lookup(dentry->d_parent);
290 if (IS_ERR(dfid)) {
291 err = PTR_ERR(dfid);
292 P9_DPRINTK(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
293 return err;
294 }
295
296 /* clone a fid to use for creation */
297 ofid = p9_client_walk(dfid, 0, NULL, 1);
298 if (IS_ERR(ofid)) {
299 err = PTR_ERR(ofid);
300 P9_DPRINTK(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
301 return err;
302 }
303
304 gid = v9fs_get_fsgid_for_create(dir);
305
306 mode = omode;
307 /* Update mode based on ACL value */
308 err = v9fs_acl_mode(dir, &mode, &dacl, &pacl);
309 if (err) {
310 P9_DPRINTK(P9_DEBUG_VFS,
311 "Failed to get acl values in creat %d\n", err);
312 goto error;
313 }
Aneesh Kumar K.Vf88657c2011-08-03 19:55:32 +0530314 err = p9_client_create_dotl(ofid, name, v9fs_open_to_dotl_flags(flags),
315 mode, gid, &qid);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600316 if (err < 0) {
317 P9_DPRINTK(P9_DEBUG_VFS,
318 "p9_client_open_dotl failed in creat %d\n",
319 err);
320 goto error;
321 }
Aneesh Kumar K.Vd28c61f2011-02-28 17:04:08 +0530322 v9fs_invalidate_inode_attr(dir);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600323
Aneesh Kumar K.Vaf7542f2011-01-10 14:22:21 -0600324 /* instantiate inode and assign the unopened fid to the dentry */
325 fid = p9_client_walk(dfid, 1, &name, 1);
326 if (IS_ERR(fid)) {
327 err = PTR_ERR(fid);
Eric Van Hensbergenc25a61f2011-01-11 09:49:03 -0600328 P9_DPRINTK(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600329 fid = NULL;
Aneesh Kumar K.Vaf7542f2011-01-10 14:22:21 -0600330 goto error;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600331 }
Aneesh Kumar K.Ved80fcf2011-07-06 16:32:31 +0530332 inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb);
Aneesh Kumar K.Vaf7542f2011-01-10 14:22:21 -0600333 if (IS_ERR(inode)) {
334 err = PTR_ERR(inode);
335 P9_DPRINTK(P9_DEBUG_VFS, "inode creation failed %d\n", err);
336 goto error;
337 }
Aneesh Kumar K.Vaf7542f2011-01-10 14:22:21 -0600338 err = v9fs_fid_add(dentry, fid);
339 if (err < 0)
340 goto error;
Aneesh Kumar K.V5441ae52011-07-25 18:06:32 +0000341 d_instantiate(dentry, inode);
Aneesh Kumar K.Vaf7542f2011-01-10 14:22:21 -0600342
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600343 /* Now set the ACL based on the default value */
Al Viro1ec95bf2011-07-23 02:28:13 -0400344 v9fs_set_create_acl(dentry, &dacl, &pacl);
Aneesh Kumar K.V6b39f6d2011-02-28 17:04:03 +0530345
346 v9inode = V9FS_I(inode);
Aneesh Kumar K.V5a7e0a82011-03-08 16:39:46 +0530347 mutex_lock(&v9inode->v_mutex);
Aneesh Kumar K.V7add6972011-03-08 16:39:49 +0530348 if (v9ses->cache && !v9inode->writeback_fid &&
349 ((flags & O_ACCMODE) != O_RDONLY)) {
Aneesh Kumar K.V3cf387d2011-02-28 17:03:57 +0530350 /*
Aneesh Kumar K.V6b39f6d2011-02-28 17:04:03 +0530351 * clone a fid and add it to writeback_fid
Aneesh Kumar K.V3cf387d2011-02-28 17:03:57 +0530352 * we do it during open time instead of
353 * page dirty time via write_begin/page_mkwrite
354 * because we want write after unlink usecase
355 * to work.
356 */
357 inode_fid = v9fs_writeback_fid(dentry);
358 if (IS_ERR(inode_fid)) {
359 err = PTR_ERR(inode_fid);
Aneesh Kumar K.V5a7e0a82011-03-08 16:39:46 +0530360 mutex_unlock(&v9inode->v_mutex);
Aneesh Kumar K.V398c4f02011-05-20 18:55:51 +0000361 goto err_clunk_old_fid;
Aneesh Kumar K.V3cf387d2011-02-28 17:03:57 +0530362 }
Aneesh Kumar K.V6b39f6d2011-02-28 17:04:03 +0530363 v9inode->writeback_fid = (void *) inode_fid;
Aneesh Kumar K.V3cf387d2011-02-28 17:03:57 +0530364 }
Aneesh Kumar K.V5a7e0a82011-03-08 16:39:46 +0530365 mutex_unlock(&v9inode->v_mutex);
Aneesh Kumar K.Vaf7542f2011-01-10 14:22:21 -0600366 /* Since we are opening a file, assign the open fid to the file */
367 filp = lookup_instantiate_filp(nd, dentry, generic_file_open);
368 if (IS_ERR(filp)) {
Aneesh Kumar K.V398c4f02011-05-20 18:55:51 +0000369 err = PTR_ERR(filp);
370 goto err_clunk_old_fid;
Aneesh Kumar K.Vaf7542f2011-01-10 14:22:21 -0600371 }
372 filp->private_data = ofid;
Aneesh Kumar K.V46848de2011-02-28 17:03:55 +0530373#ifdef CONFIG_9P_FSCACHE
374 if (v9ses->cache)
375 v9fs_cache_inode_set_cookie(inode, filp);
376#endif
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600377 return 0;
378
379error:
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600380 if (fid)
381 p9_client_clunk(fid);
Aneesh Kumar K.V398c4f02011-05-20 18:55:51 +0000382err_clunk_old_fid:
383 if (ofid)
384 p9_client_clunk(ofid);
Al Viro1ec95bf2011-07-23 02:28:13 -0400385 v9fs_set_create_acl(NULL, &dacl, &pacl);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600386 return err;
387}
388
389/**
390 * v9fs_vfs_mkdir_dotl - VFS mkdir hook to create a directory
391 * @dir: inode that is being unlinked
392 * @dentry: dentry that is being unlinked
393 * @mode: mode for new directory
394 *
395 */
396
397static int v9fs_vfs_mkdir_dotl(struct inode *dir,
398 struct dentry *dentry, int omode)
399{
400 int err;
401 struct v9fs_session_info *v9ses;
402 struct p9_fid *fid = NULL, *dfid = NULL;
403 gid_t gid;
404 char *name;
Al Virod3fb6122011-07-23 18:37:50 -0400405 umode_t mode;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600406 struct inode *inode;
407 struct p9_qid qid;
408 struct dentry *dir_dentry;
409 struct posix_acl *dacl = NULL, *pacl = NULL;
410
411 P9_DPRINTK(P9_DEBUG_VFS, "name %s\n", dentry->d_name.name);
412 err = 0;
413 v9ses = v9fs_inode2v9ses(dir);
414
415 omode |= S_IFDIR;
416 if (dir->i_mode & S_ISGID)
417 omode |= S_ISGID;
418
419 dir_dentry = v9fs_dentry_from_dir_inode(dir);
420 dfid = v9fs_fid_lookup(dir_dentry);
421 if (IS_ERR(dfid)) {
422 err = PTR_ERR(dfid);
423 P9_DPRINTK(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
424 dfid = NULL;
425 goto error;
426 }
427
428 gid = v9fs_get_fsgid_for_create(dir);
429 mode = omode;
430 /* Update mode based on ACL value */
431 err = v9fs_acl_mode(dir, &mode, &dacl, &pacl);
432 if (err) {
433 P9_DPRINTK(P9_DEBUG_VFS,
434 "Failed to get acl values in mkdir %d\n", err);
435 goto error;
436 }
437 name = (char *) dentry->d_name.name;
438 err = p9_client_mkdir_dotl(dfid, name, mode, gid, &qid);
439 if (err < 0)
440 goto error;
441
442 /* instantiate inode and assign the unopened fid to the dentry */
443 if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
444 fid = p9_client_walk(dfid, 1, &name, 1);
445 if (IS_ERR(fid)) {
446 err = PTR_ERR(fid);
447 P9_DPRINTK(P9_DEBUG_VFS, "p9_client_walk failed %d\n",
448 err);
449 fid = NULL;
450 goto error;
451 }
452
Aneesh Kumar K.Ved80fcf2011-07-06 16:32:31 +0530453 inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600454 if (IS_ERR(inode)) {
455 err = PTR_ERR(inode);
456 P9_DPRINTK(P9_DEBUG_VFS, "inode creation failed %d\n",
457 err);
458 goto error;
459 }
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600460 err = v9fs_fid_add(dentry, fid);
461 if (err < 0)
462 goto error;
Aneesh Kumar K.V5441ae52011-07-25 18:06:32 +0000463 d_instantiate(dentry, inode);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600464 fid = NULL;
465 } else {
466 /*
467 * Not in cached mode. No need to populate
468 * inode with stat. We need to get an inode
469 * so that we can set the acl with dentry
470 */
Aneesh Kumar K.V45089142011-07-25 18:06:33 +0000471 inode = v9fs_get_inode(dir->i_sb, mode, 0);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600472 if (IS_ERR(inode)) {
473 err = PTR_ERR(inode);
474 goto error;
475 }
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600476 d_instantiate(dentry, inode);
477 }
478 /* Now set the ACL based on the default value */
Al Viro1ec95bf2011-07-23 02:28:13 -0400479 v9fs_set_create_acl(dentry, &dacl, &pacl);
Aneesh Kumar K.Vb271ec42011-02-28 17:04:05 +0530480 inc_nlink(dir);
Aneesh Kumar K.Vd28c61f2011-02-28 17:04:08 +0530481 v9fs_invalidate_inode_attr(dir);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600482error:
483 if (fid)
484 p9_client_clunk(fid);
Al Viro1ec95bf2011-07-23 02:28:13 -0400485 v9fs_set_create_acl(NULL, &dacl, &pacl);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600486 return err;
487}
488
489static int
490v9fs_vfs_getattr_dotl(struct vfsmount *mnt, struct dentry *dentry,
491 struct kstat *stat)
492{
493 int err;
494 struct v9fs_session_info *v9ses;
495 struct p9_fid *fid;
496 struct p9_stat_dotl *st;
497
498 P9_DPRINTK(P9_DEBUG_VFS, "dentry: %p\n", dentry);
499 err = -EPERM;
Aneesh Kumar K.V42869c82011-03-08 16:39:50 +0530500 v9ses = v9fs_dentry2v9ses(dentry);
Aneesh Kumar K.Va1211902011-02-28 17:04:01 +0530501 if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
502 generic_fillattr(dentry->d_inode, stat);
503 return 0;
504 }
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600505 fid = v9fs_fid_lookup(dentry);
506 if (IS_ERR(fid))
507 return PTR_ERR(fid);
508
509 /* Ask for all the fields in stat structure. Server will return
510 * whatever it supports
511 */
512
513 st = p9_client_getattr_dotl(fid, P9_STATS_ALL);
514 if (IS_ERR(st))
515 return PTR_ERR(st);
516
517 v9fs_stat2inode_dotl(st, dentry->d_inode);
518 generic_fillattr(dentry->d_inode, stat);
519 /* Change block size to what the server returned */
520 stat->blksize = st->st_blksize;
521
522 kfree(st);
523 return 0;
524}
525
526/**
527 * v9fs_vfs_setattr_dotl - set file metadata
528 * @dentry: file whose metadata to set
529 * @iattr: metadata assignment structure
530 *
531 */
532
533int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr)
534{
535 int retval;
536 struct v9fs_session_info *v9ses;
537 struct p9_fid *fid;
538 struct p9_iattr_dotl p9attr;
539
540 P9_DPRINTK(P9_DEBUG_VFS, "\n");
541
542 retval = inode_change_ok(dentry->d_inode, iattr);
543 if (retval)
544 return retval;
545
546 p9attr.valid = iattr->ia_valid;
547 p9attr.mode = iattr->ia_mode;
548 p9attr.uid = iattr->ia_uid;
549 p9attr.gid = iattr->ia_gid;
550 p9attr.size = iattr->ia_size;
551 p9attr.atime_sec = iattr->ia_atime.tv_sec;
552 p9attr.atime_nsec = iattr->ia_atime.tv_nsec;
553 p9attr.mtime_sec = iattr->ia_mtime.tv_sec;
554 p9attr.mtime_nsec = iattr->ia_mtime.tv_nsec;
555
556 retval = -EPERM;
Aneesh Kumar K.V42869c82011-03-08 16:39:50 +0530557 v9ses = v9fs_dentry2v9ses(dentry);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600558 fid = v9fs_fid_lookup(dentry);
559 if (IS_ERR(fid))
560 return PTR_ERR(fid);
561
Aneesh Kumar K.V3dc54362011-02-28 17:04:11 +0530562 /* Write all dirty data */
563 if (S_ISREG(dentry->d_inode->i_mode))
564 filemap_write_and_wait(dentry->d_inode->i_mapping);
565
Aneesh Kumar K.Vf10fc502011-02-28 17:04:10 +0530566 retval = p9_client_setattr(fid, &p9attr);
567 if (retval < 0)
568 return retval;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600569
Aneesh Kumar K.V059c1382011-03-08 16:39:48 +0530570 if ((iattr->ia_valid & ATTR_SIZE) &&
571 iattr->ia_size != i_size_read(dentry->d_inode))
572 truncate_setsize(dentry->d_inode, iattr->ia_size);
573
574 v9fs_invalidate_inode_attr(dentry->d_inode);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600575 setattr_copy(dentry->d_inode, iattr);
576 mark_inode_dirty(dentry->d_inode);
577 if (iattr->ia_valid & ATTR_MODE) {
578 /* We also want to update ACL when we update mode bits */
579 retval = v9fs_acl_chmod(dentry);
580 if (retval < 0)
581 return retval;
582 }
583 return 0;
584}
585
586/**
587 * v9fs_stat2inode_dotl - populate an inode structure with stat info
588 * @stat: stat structure
589 * @inode: inode to populate
590 * @sb: superblock of filesystem
591 *
592 */
593
594void
595v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode)
596{
Aneesh Kumar K.V45089142011-07-25 18:06:33 +0000597 mode_t mode;
Aneesh Kumar K.Vb3cbea02011-02-28 17:04:06 +0530598 struct v9fs_inode *v9inode = V9FS_I(inode);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600599
600 if ((stat->st_result_mask & P9_STATS_BASIC) == P9_STATS_BASIC) {
601 inode->i_atime.tv_sec = stat->st_atime_sec;
602 inode->i_atime.tv_nsec = stat->st_atime_nsec;
603 inode->i_mtime.tv_sec = stat->st_mtime_sec;
604 inode->i_mtime.tv_nsec = stat->st_mtime_nsec;
605 inode->i_ctime.tv_sec = stat->st_ctime_sec;
606 inode->i_ctime.tv_nsec = stat->st_ctime_nsec;
607 inode->i_uid = stat->st_uid;
608 inode->i_gid = stat->st_gid;
Miklos Szeredibfe86842011-10-28 14:13:29 +0200609 set_nlink(inode, stat->st_nlink);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600610
Aneesh Kumar K.V45089142011-07-25 18:06:33 +0000611 mode = stat->st_mode & S_IALLUGO;
612 mode |= inode->i_mode & ~S_IALLUGO;
613 inode->i_mode = mode;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600614
615 i_size_write(inode, stat->st_size);
616 inode->i_blocks = stat->st_blocks;
617 } else {
618 if (stat->st_result_mask & P9_STATS_ATIME) {
619 inode->i_atime.tv_sec = stat->st_atime_sec;
620 inode->i_atime.tv_nsec = stat->st_atime_nsec;
621 }
622 if (stat->st_result_mask & P9_STATS_MTIME) {
623 inode->i_mtime.tv_sec = stat->st_mtime_sec;
624 inode->i_mtime.tv_nsec = stat->st_mtime_nsec;
625 }
626 if (stat->st_result_mask & P9_STATS_CTIME) {
627 inode->i_ctime.tv_sec = stat->st_ctime_sec;
628 inode->i_ctime.tv_nsec = stat->st_ctime_nsec;
629 }
630 if (stat->st_result_mask & P9_STATS_UID)
631 inode->i_uid = stat->st_uid;
632 if (stat->st_result_mask & P9_STATS_GID)
633 inode->i_gid = stat->st_gid;
634 if (stat->st_result_mask & P9_STATS_NLINK)
Miklos Szeredibfe86842011-10-28 14:13:29 +0200635 set_nlink(inode, stat->st_nlink);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600636 if (stat->st_result_mask & P9_STATS_MODE) {
637 inode->i_mode = stat->st_mode;
638 if ((S_ISBLK(inode->i_mode)) ||
639 (S_ISCHR(inode->i_mode)))
640 init_special_inode(inode, inode->i_mode,
641 inode->i_rdev);
642 }
643 if (stat->st_result_mask & P9_STATS_RDEV)
644 inode->i_rdev = new_decode_dev(stat->st_rdev);
645 if (stat->st_result_mask & P9_STATS_SIZE)
646 i_size_write(inode, stat->st_size);
647 if (stat->st_result_mask & P9_STATS_BLOCKS)
648 inode->i_blocks = stat->st_blocks;
649 }
650 if (stat->st_result_mask & P9_STATS_GEN)
Aneesh Kumar K.Vfd2421f2011-07-11 16:40:59 +0000651 inode->i_generation = stat->st_gen;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600652
653 /* Currently we don't support P9_STATS_BTIME and P9_STATS_DATA_VERSION
654 * because the inode structure does not have fields for them.
655 */
Aneesh Kumar K.Vb3cbea02011-02-28 17:04:06 +0530656 v9inode->cache_validity &= ~V9FS_INO_INVALID_ATTR;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600657}
658
659static int
660v9fs_vfs_symlink_dotl(struct inode *dir, struct dentry *dentry,
661 const char *symname)
662{
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600663 int err;
664 gid_t gid;
Aneesh Kumar K.Vd28c61f2011-02-28 17:04:08 +0530665 char *name;
666 struct p9_qid qid;
667 struct inode *inode;
668 struct p9_fid *dfid;
669 struct p9_fid *fid = NULL;
670 struct v9fs_session_info *v9ses;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600671
672 name = (char *) dentry->d_name.name;
673 P9_DPRINTK(P9_DEBUG_VFS, "v9fs_vfs_symlink_dotl : %lu,%s,%s\n",
674 dir->i_ino, name, symname);
675 v9ses = v9fs_inode2v9ses(dir);
676
677 dfid = v9fs_fid_lookup(dentry->d_parent);
678 if (IS_ERR(dfid)) {
679 err = PTR_ERR(dfid);
680 P9_DPRINTK(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
681 return err;
682 }
683
684 gid = v9fs_get_fsgid_for_create(dir);
685
686 /* Server doesn't alter fid on TSYMLINK. Hence no need to clone it. */
687 err = p9_client_symlink(dfid, name, (char *)symname, gid, &qid);
688
689 if (err < 0) {
690 P9_DPRINTK(P9_DEBUG_VFS, "p9_client_symlink failed %d\n", err);
691 goto error;
692 }
693
Aneesh Kumar K.Vd28c61f2011-02-28 17:04:08 +0530694 v9fs_invalidate_inode_attr(dir);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600695 if (v9ses->cache) {
696 /* Now walk from the parent so we can get an unopened fid. */
697 fid = p9_client_walk(dfid, 1, &name, 1);
698 if (IS_ERR(fid)) {
699 err = PTR_ERR(fid);
700 P9_DPRINTK(P9_DEBUG_VFS, "p9_client_walk failed %d\n",
701 err);
702 fid = NULL;
703 goto error;
704 }
705
706 /* instantiate inode and assign the unopened fid to dentry */
Aneesh Kumar K.Ved80fcf2011-07-06 16:32:31 +0530707 inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600708 if (IS_ERR(inode)) {
709 err = PTR_ERR(inode);
710 P9_DPRINTK(P9_DEBUG_VFS, "inode creation failed %d\n",
711 err);
712 goto error;
713 }
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600714 err = v9fs_fid_add(dentry, fid);
715 if (err < 0)
716 goto error;
Aneesh Kumar K.V5441ae52011-07-25 18:06:32 +0000717 d_instantiate(dentry, inode);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600718 fid = NULL;
719 } else {
720 /* Not in cached mode. No need to populate inode with stat */
Aneesh Kumar K.V45089142011-07-25 18:06:33 +0000721 inode = v9fs_get_inode(dir->i_sb, S_IFLNK, 0);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600722 if (IS_ERR(inode)) {
723 err = PTR_ERR(inode);
724 goto error;
725 }
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600726 d_instantiate(dentry, inode);
727 }
728
729error:
730 if (fid)
731 p9_client_clunk(fid);
732
733 return err;
734}
735
736/**
737 * v9fs_vfs_link_dotl - create a hardlink for dotl
738 * @old_dentry: dentry for file to link to
739 * @dir: inode destination for new link
740 * @dentry: dentry for link
741 *
742 */
743
744static int
745v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir,
746 struct dentry *dentry)
747{
748 int err;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600749 char *name;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600750 struct dentry *dir_dentry;
Aneesh Kumar K.Vd28c61f2011-02-28 17:04:08 +0530751 struct p9_fid *dfid, *oldfid;
752 struct v9fs_session_info *v9ses;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600753
754 P9_DPRINTK(P9_DEBUG_VFS, "dir ino: %lu, old_name: %s, new_name: %s\n",
755 dir->i_ino, old_dentry->d_name.name,
756 dentry->d_name.name);
757
758 v9ses = v9fs_inode2v9ses(dir);
759 dir_dentry = v9fs_dentry_from_dir_inode(dir);
760 dfid = v9fs_fid_lookup(dir_dentry);
761 if (IS_ERR(dfid))
762 return PTR_ERR(dfid);
763
764 oldfid = v9fs_fid_lookup(old_dentry);
765 if (IS_ERR(oldfid))
766 return PTR_ERR(oldfid);
767
768 name = (char *) dentry->d_name.name;
769
770 err = p9_client_link(dfid, oldfid, (char *)dentry->d_name.name);
771
772 if (err < 0) {
773 P9_DPRINTK(P9_DEBUG_VFS, "p9_client_link failed %d\n", err);
774 return err;
775 }
776
Aneesh Kumar K.Vd28c61f2011-02-28 17:04:08 +0530777 v9fs_invalidate_inode_attr(dir);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600778 if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
779 /* Get the latest stat info from server. */
780 struct p9_fid *fid;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600781 fid = v9fs_fid_lookup(old_dentry);
782 if (IS_ERR(fid))
783 return PTR_ERR(fid);
784
Aneesh Kumar K.Vc06c0662011-02-28 17:04:09 +0530785 v9fs_refresh_inode_dotl(fid, old_dentry->d_inode);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600786 }
Aneesh Kumar K.V20656a42011-02-28 17:03:55 +0530787 ihold(old_dentry->d_inode);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600788 d_instantiate(dentry, old_dentry->d_inode);
789
790 return err;
791}
792
793/**
794 * v9fs_vfs_mknod_dotl - create a special file
795 * @dir: inode destination for new link
796 * @dentry: dentry for file
797 * @mode: mode for creation
798 * @rdev: device associated with special file
799 *
800 */
801static int
802v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int omode,
803 dev_t rdev)
804{
805 int err;
Aneesh Kumar K.Vd28c61f2011-02-28 17:04:08 +0530806 gid_t gid;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600807 char *name;
Al Virod3fb6122011-07-23 18:37:50 -0400808 umode_t mode;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600809 struct v9fs_session_info *v9ses;
810 struct p9_fid *fid = NULL, *dfid = NULL;
811 struct inode *inode;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600812 struct p9_qid qid;
813 struct dentry *dir_dentry;
814 struct posix_acl *dacl = NULL, *pacl = NULL;
815
816 P9_DPRINTK(P9_DEBUG_VFS,
817 " %lu,%s mode: %x MAJOR: %u MINOR: %u\n", dir->i_ino,
818 dentry->d_name.name, omode, MAJOR(rdev), MINOR(rdev));
819
820 if (!new_valid_dev(rdev))
821 return -EINVAL;
822
823 v9ses = v9fs_inode2v9ses(dir);
824 dir_dentry = v9fs_dentry_from_dir_inode(dir);
825 dfid = v9fs_fid_lookup(dir_dentry);
826 if (IS_ERR(dfid)) {
827 err = PTR_ERR(dfid);
828 P9_DPRINTK(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
829 dfid = NULL;
830 goto error;
831 }
832
833 gid = v9fs_get_fsgid_for_create(dir);
834 mode = omode;
835 /* Update mode based on ACL value */
836 err = v9fs_acl_mode(dir, &mode, &dacl, &pacl);
837 if (err) {
838 P9_DPRINTK(P9_DEBUG_VFS,
839 "Failed to get acl values in mknod %d\n", err);
840 goto error;
841 }
842 name = (char *) dentry->d_name.name;
843
844 err = p9_client_mknod_dotl(dfid, name, mode, rdev, gid, &qid);
845 if (err < 0)
846 goto error;
847
Aneesh Kumar K.Vd28c61f2011-02-28 17:04:08 +0530848 v9fs_invalidate_inode_attr(dir);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600849 /* instantiate inode and assign the unopened fid to the dentry */
850 if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
851 fid = p9_client_walk(dfid, 1, &name, 1);
852 if (IS_ERR(fid)) {
853 err = PTR_ERR(fid);
854 P9_DPRINTK(P9_DEBUG_VFS, "p9_client_walk failed %d\n",
855 err);
856 fid = NULL;
857 goto error;
858 }
859
Aneesh Kumar K.Ved80fcf2011-07-06 16:32:31 +0530860 inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600861 if (IS_ERR(inode)) {
862 err = PTR_ERR(inode);
863 P9_DPRINTK(P9_DEBUG_VFS, "inode creation failed %d\n",
864 err);
865 goto error;
866 }
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600867 err = v9fs_fid_add(dentry, fid);
868 if (err < 0)
869 goto error;
Aneesh Kumar K.V5441ae52011-07-25 18:06:32 +0000870 d_instantiate(dentry, inode);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600871 fid = NULL;
872 } else {
873 /*
874 * Not in cached mode. No need to populate inode with stat.
875 * socket syscall returns a fd, so we need instantiate
876 */
Aneesh Kumar K.V45089142011-07-25 18:06:33 +0000877 inode = v9fs_get_inode(dir->i_sb, mode, rdev);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600878 if (IS_ERR(inode)) {
879 err = PTR_ERR(inode);
880 goto error;
881 }
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600882 d_instantiate(dentry, inode);
883 }
884 /* Now set the ACL based on the default value */
Al Viro1ec95bf2011-07-23 02:28:13 -0400885 v9fs_set_create_acl(dentry, &dacl, &pacl);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600886error:
887 if (fid)
888 p9_client_clunk(fid);
Al Viro1ec95bf2011-07-23 02:28:13 -0400889 v9fs_set_create_acl(NULL, &dacl, &pacl);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600890 return err;
891}
892
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600893/**
894 * v9fs_vfs_follow_link_dotl - follow a symlink path
895 * @dentry: dentry for symlink
896 * @nd: nameidata
897 *
898 */
899
900static void *
901v9fs_vfs_follow_link_dotl(struct dentry *dentry, struct nameidata *nd)
902{
M. Mohan Kumar31b6cea2011-01-08 07:28:46 +0530903 int retval;
904 struct p9_fid *fid;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600905 char *link = __getname();
M. Mohan Kumar31b6cea2011-01-08 07:28:46 +0530906 char *target;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600907
M. Mohan Kumar31b6cea2011-01-08 07:28:46 +0530908 P9_DPRINTK(P9_DEBUG_VFS, "%s\n", dentry->d_name.name);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600909
M. Mohan Kumar31b6cea2011-01-08 07:28:46 +0530910 if (!link) {
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600911 link = ERR_PTR(-ENOMEM);
M. Mohan Kumar31b6cea2011-01-08 07:28:46 +0530912 goto ndset;
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600913 }
M. Mohan Kumar31b6cea2011-01-08 07:28:46 +0530914 fid = v9fs_fid_lookup(dentry);
915 if (IS_ERR(fid)) {
916 __putname(link);
Aneesh Kumar K.V936bb2d2011-03-24 23:04:41 +0530917 link = ERR_CAST(fid);
M. Mohan Kumar31b6cea2011-01-08 07:28:46 +0530918 goto ndset;
919 }
920 retval = p9_client_readlink(fid, &target);
921 if (!retval) {
922 strcpy(link, target);
923 kfree(target);
924 goto ndset;
925 }
926 __putname(link);
927 link = ERR_PTR(retval);
928ndset:
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600929 nd_set_link(nd, link);
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600930 return NULL;
931}
932
Aneesh Kumar K.Vb3cbea02011-02-28 17:04:06 +0530933int v9fs_refresh_inode_dotl(struct p9_fid *fid, struct inode *inode)
934{
935 loff_t i_size;
936 struct p9_stat_dotl *st;
937 struct v9fs_session_info *v9ses;
938
939 v9ses = v9fs_inode2v9ses(inode);
940 st = p9_client_getattr_dotl(fid, P9_STATS_ALL);
941 if (IS_ERR(st))
942 return PTR_ERR(st);
Aneesh Kumar K.V45089142011-07-25 18:06:33 +0000943 /*
944 * Don't update inode if the file type is different
945 */
946 if ((inode->i_mode & S_IFMT) != (st->st_mode & S_IFMT))
947 goto out;
Aneesh Kumar K.Vb3cbea02011-02-28 17:04:06 +0530948
949 spin_lock(&inode->i_lock);
950 /*
951 * We don't want to refresh inode->i_size,
952 * because we may have cached data
953 */
954 i_size = inode->i_size;
955 v9fs_stat2inode_dotl(st, inode);
956 if (v9ses->cache)
957 inode->i_size = i_size;
958 spin_unlock(&inode->i_lock);
Aneesh Kumar K.V45089142011-07-25 18:06:33 +0000959out:
Aneesh Kumar K.Vb3cbea02011-02-28 17:04:06 +0530960 kfree(st);
961 return 0;
962}
963
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600964const struct inode_operations v9fs_dir_inode_operations_dotl = {
965 .create = v9fs_vfs_create_dotl,
966 .lookup = v9fs_vfs_lookup,
967 .link = v9fs_vfs_link_dotl,
968 .symlink = v9fs_vfs_symlink_dotl,
969 .unlink = v9fs_vfs_unlink,
970 .mkdir = v9fs_vfs_mkdir_dotl,
971 .rmdir = v9fs_vfs_rmdir,
972 .mknod = v9fs_vfs_mknod_dotl,
973 .rename = v9fs_vfs_rename,
974 .getattr = v9fs_vfs_getattr_dotl,
975 .setattr = v9fs_vfs_setattr_dotl,
976 .setxattr = generic_setxattr,
977 .getxattr = generic_getxattr,
978 .removexattr = generic_removexattr,
979 .listxattr = v9fs_listxattr,
Christoph Hellwig4e34e712011-07-23 17:37:31 +0200980 .get_acl = v9fs_iop_get_acl,
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600981};
982
983const struct inode_operations v9fs_file_inode_operations_dotl = {
984 .getattr = v9fs_vfs_getattr_dotl,
985 .setattr = v9fs_vfs_setattr_dotl,
986 .setxattr = generic_setxattr,
987 .getxattr = generic_getxattr,
988 .removexattr = generic_removexattr,
989 .listxattr = v9fs_listxattr,
Christoph Hellwig4e34e712011-07-23 17:37:31 +0200990 .get_acl = v9fs_iop_get_acl,
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600991};
992
993const struct inode_operations v9fs_symlink_inode_operations_dotl = {
M. Mohan Kumar31b6cea2011-01-08 07:28:46 +0530994 .readlink = generic_readlink,
Aneesh Kumar K.V53c06f42011-01-10 13:51:47 -0600995 .follow_link = v9fs_vfs_follow_link_dotl,
996 .put_link = v9fs_vfs_put_link,
997 .getattr = v9fs_vfs_getattr_dotl,
998 .setattr = v9fs_vfs_setattr_dotl,
999 .setxattr = generic_setxattr,
1000 .getxattr = generic_getxattr,
1001 .removexattr = generic_removexattr,
1002 .listxattr = v9fs_listxattr,
1003};