Commit | Line | Data |
---|---|---|
e69e7fe5 EVH |
1 | /* |
2 | * linux/fs/9p/vfs_file.c | |
3 | * | |
4 | * This file contians vfs file ops for 9P2000. | |
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 | |
42e8c509 EVH |
10 | * it under the terms of the GNU General Public License version 2 |
11 | * as published by the Free Software Foundation. | |
e69e7fe5 EVH |
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> | |
914e2637 | 29 | #include <linux/sched.h> |
e69e7fe5 EVH |
30 | #include <linux/file.h> |
31 | #include <linux/stat.h> | |
32 | #include <linux/string.h> | |
e69e7fe5 | 33 | #include <linux/inet.h> |
e69e7fe5 | 34 | #include <linux/list.h> |
637d020a | 35 | #include <linux/pagemap.h> |
a099027c | 36 | #include <linux/utsname.h> |
e69e7fe5 EVH |
37 | #include <asm/uaccess.h> |
38 | #include <linux/idr.h> | |
bd238fb4 LI |
39 | #include <net/9p/9p.h> |
40 | #include <net/9p/client.h> | |
e69e7fe5 | 41 | |
e69e7fe5 | 42 | #include "v9fs.h" |
e69e7fe5 EVH |
43 | #include "v9fs_vfs.h" |
44 | #include "fid.h" | |
60e78d2c | 45 | #include "cache.h" |
e69e7fe5 EVH |
46 | |
47 | /** | |
48 | * v9fs_file_open - open a file (or directory) | |
49 | * @inode: inode to be opened | |
50 | * @file: file being opened | |
51 | * | |
52 | */ | |
53 | ||
54 | int v9fs_file_open(struct inode *inode, struct file *file) | |
55 | { | |
6a3124a3 | 56 | int err; |
bd238fb4 LI |
57 | struct v9fs_session_info *v9ses; |
58 | struct p9_fid *fid; | |
59 | int omode; | |
e69e7fe5 | 60 | |
ef56547e | 61 | P9_DPRINTK(P9_DEBUG_VFS, "inode: %p file: %p\n", inode, file); |
bd238fb4 | 62 | v9ses = v9fs_inode2v9ses(inode); |
ef56547e MK |
63 | if (v9fs_proto_dotl(v9ses)) |
64 | omode = file->f_flags; | |
65 | else | |
66 | omode = v9fs_uflags2omode(file->f_flags, | |
67 | v9fs_proto_dotu(v9ses)); | |
bd238fb4 LI |
68 | fid = file->private_data; |
69 | if (!fid) { | |
70 | fid = v9fs_fid_clone(file->f_path.dentry); | |
71 | if (IS_ERR(fid)) | |
72 | return PTR_ERR(fid); | |
73 | ||
74 | err = p9_client_open(fid, omode); | |
9523a841 | 75 | if (err < 0) { |
bd238fb4 LI |
76 | p9_client_clunk(fid); |
77 | return err; | |
78 | } | |
ef56547e | 79 | if (file->f_flags & O_TRUNC) { |
7549ae3e | 80 | i_size_write(inode, 0); |
9523a841 EVH |
81 | inode->i_blocks = 0; |
82 | } | |
ef56547e MK |
83 | if ((file->f_flags & O_APPEND) && |
84 | (!v9fs_proto_dotu(v9ses) && !v9fs_proto_dotl(v9ses))) | |
2e4bef41 | 85 | generic_file_llseek(file, 0, SEEK_END); |
6a3124a3 | 86 | } |
e69e7fe5 | 87 | |
bd238fb4 | 88 | file->private_data = fid; |
29236f4e | 89 | #ifdef CONFIG_9P_FSCACHE |
46848de0 | 90 | if (v9ses->cache) |
60e78d2c | 91 | v9fs_cache_inode_set_cookie(inode, file); |
29236f4e | 92 | #endif |
6a3124a3 | 93 | return 0; |
e69e7fe5 EVH |
94 | } |
95 | ||
96 | /** | |
97 | * v9fs_file_lock - lock a file (or directory) | |
ee443996 EVH |
98 | * @filp: file to be locked |
99 | * @cmd: lock command | |
100 | * @fl: file lock structure | |
e69e7fe5 | 101 | * |
ee443996 | 102 | * Bugs: this looks like a local only lock, we should extend into 9P |
e69e7fe5 EVH |
103 | * by using open exclusive |
104 | */ | |
105 | ||
106 | static int v9fs_file_lock(struct file *filp, int cmd, struct file_lock *fl) | |
107 | { | |
108 | int res = 0; | |
d6f787bc | 109 | struct inode *inode = filp->f_path.dentry->d_inode; |
e69e7fe5 | 110 | |
bd238fb4 | 111 | P9_DPRINTK(P9_DEBUG_VFS, "filp: %p lock: %p\n", filp, fl); |
e69e7fe5 EVH |
112 | |
113 | /* No mandatory locks */ | |
f78233dd | 114 | if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK) |
e69e7fe5 EVH |
115 | return -ENOLCK; |
116 | ||
117 | if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) { | |
28fd1298 | 118 | filemap_write_and_wait(inode->i_mapping); |
fc0ecff6 | 119 | invalidate_mapping_pages(&inode->i_data, 0, -1); |
e69e7fe5 EVH |
120 | } |
121 | ||
122 | return res; | |
123 | } | |
124 | ||
a099027c MK |
125 | static int v9fs_file_do_lock(struct file *filp, int cmd, struct file_lock *fl) |
126 | { | |
127 | struct p9_flock flock; | |
128 | struct p9_fid *fid; | |
129 | uint8_t status; | |
130 | int res = 0; | |
131 | unsigned char fl_type; | |
132 | ||
133 | fid = filp->private_data; | |
134 | BUG_ON(fid == NULL); | |
135 | ||
136 | if ((fl->fl_flags & FL_POSIX) != FL_POSIX) | |
137 | BUG(); | |
138 | ||
139 | res = posix_lock_file_wait(filp, fl); | |
140 | if (res < 0) | |
141 | goto out; | |
142 | ||
143 | /* convert posix lock to p9 tlock args */ | |
144 | memset(&flock, 0, sizeof(flock)); | |
145 | flock.type = fl->fl_type; | |
146 | flock.start = fl->fl_start; | |
147 | if (fl->fl_end == OFFSET_MAX) | |
148 | flock.length = 0; | |
149 | else | |
150 | flock.length = fl->fl_end - fl->fl_start + 1; | |
151 | flock.proc_id = fl->fl_pid; | |
152 | flock.client_id = utsname()->nodename; | |
153 | if (IS_SETLKW(cmd)) | |
154 | flock.flags = P9_LOCK_FLAGS_BLOCK; | |
155 | ||
156 | /* | |
157 | * if its a blocked request and we get P9_LOCK_BLOCKED as the status | |
158 | * for lock request, keep on trying | |
159 | */ | |
160 | for (;;) { | |
161 | res = p9_client_lock_dotl(fid, &flock, &status); | |
162 | if (res < 0) | |
163 | break; | |
164 | ||
165 | if (status != P9_LOCK_BLOCKED) | |
166 | break; | |
167 | if (status == P9_LOCK_BLOCKED && !IS_SETLKW(cmd)) | |
168 | break; | |
169 | schedule_timeout_interruptible(P9_LOCK_TIMEOUT); | |
170 | } | |
171 | ||
172 | /* map 9p status to VFS status */ | |
173 | switch (status) { | |
174 | case P9_LOCK_SUCCESS: | |
175 | res = 0; | |
176 | break; | |
177 | case P9_LOCK_BLOCKED: | |
178 | res = -EAGAIN; | |
179 | break; | |
180 | case P9_LOCK_ERROR: | |
181 | case P9_LOCK_GRACE: | |
182 | res = -ENOLCK; | |
183 | break; | |
184 | default: | |
185 | BUG(); | |
186 | } | |
187 | ||
188 | /* | |
189 | * incase server returned error for lock request, revert | |
190 | * it locally | |
191 | */ | |
192 | if (res < 0 && fl->fl_type != F_UNLCK) { | |
193 | fl_type = fl->fl_type; | |
194 | fl->fl_type = F_UNLCK; | |
195 | res = posix_lock_file_wait(filp, fl); | |
196 | fl->fl_type = fl_type; | |
197 | } | |
198 | out: | |
199 | return res; | |
200 | } | |
201 | ||
1d769cd1 MK |
202 | static int v9fs_file_getlock(struct file *filp, struct file_lock *fl) |
203 | { | |
204 | struct p9_getlock glock; | |
205 | struct p9_fid *fid; | |
206 | int res = 0; | |
207 | ||
208 | fid = filp->private_data; | |
209 | BUG_ON(fid == NULL); | |
210 | ||
211 | posix_test_lock(filp, fl); | |
212 | /* | |
213 | * if we have a conflicting lock locally, no need to validate | |
214 | * with server | |
215 | */ | |
216 | if (fl->fl_type != F_UNLCK) | |
217 | return res; | |
218 | ||
219 | /* convert posix lock to p9 tgetlock args */ | |
220 | memset(&glock, 0, sizeof(glock)); | |
221 | glock.type = fl->fl_type; | |
222 | glock.start = fl->fl_start; | |
223 | if (fl->fl_end == OFFSET_MAX) | |
224 | glock.length = 0; | |
225 | else | |
226 | glock.length = fl->fl_end - fl->fl_start + 1; | |
227 | glock.proc_id = fl->fl_pid; | |
228 | glock.client_id = utsname()->nodename; | |
229 | ||
230 | res = p9_client_getlock_dotl(fid, &glock); | |
231 | if (res < 0) | |
232 | return res; | |
233 | if (glock.type != F_UNLCK) { | |
234 | fl->fl_type = glock.type; | |
235 | fl->fl_start = glock.start; | |
236 | if (glock.length == 0) | |
237 | fl->fl_end = OFFSET_MAX; | |
238 | else | |
239 | fl->fl_end = glock.start + glock.length - 1; | |
240 | fl->fl_pid = glock.proc_id; | |
241 | } else | |
242 | fl->fl_type = F_UNLCK; | |
243 | ||
244 | return res; | |
245 | } | |
246 | ||
a099027c MK |
247 | /** |
248 | * v9fs_file_lock_dotl - lock a file (or directory) | |
249 | * @filp: file to be locked | |
250 | * @cmd: lock command | |
251 | * @fl: file lock structure | |
252 | * | |
253 | */ | |
254 | ||
255 | static int v9fs_file_lock_dotl(struct file *filp, int cmd, struct file_lock *fl) | |
256 | { | |
257 | struct inode *inode = filp->f_path.dentry->d_inode; | |
258 | int ret = -ENOLCK; | |
259 | ||
260 | P9_DPRINTK(P9_DEBUG_VFS, "filp: %p cmd:%d lock: %p name: %s\n", filp, | |
261 | cmd, fl, filp->f_path.dentry->d_name.name); | |
262 | ||
263 | /* No mandatory locks */ | |
264 | if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK) | |
265 | goto out_err; | |
266 | ||
267 | if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) { | |
268 | filemap_write_and_wait(inode->i_mapping); | |
269 | invalidate_mapping_pages(&inode->i_data, 0, -1); | |
270 | } | |
271 | ||
272 | if (IS_SETLK(cmd) || IS_SETLKW(cmd)) | |
273 | ret = v9fs_file_do_lock(filp, cmd, fl); | |
1d769cd1 MK |
274 | else if (IS_GETLK(cmd)) |
275 | ret = v9fs_file_getlock(filp, fl); | |
a099027c MK |
276 | else |
277 | ret = -EINVAL; | |
278 | out_err: | |
279 | return ret; | |
280 | } | |
281 | ||
282 | /** | |
283 | * v9fs_file_flock_dotl - lock a file | |
284 | * @filp: file to be locked | |
285 | * @cmd: lock command | |
286 | * @fl: file lock structure | |
287 | * | |
288 | */ | |
289 | ||
290 | static int v9fs_file_flock_dotl(struct file *filp, int cmd, | |
291 | struct file_lock *fl) | |
292 | { | |
293 | struct inode *inode = filp->f_path.dentry->d_inode; | |
294 | int ret = -ENOLCK; | |
295 | ||
296 | P9_DPRINTK(P9_DEBUG_VFS, "filp: %p cmd:%d lock: %p name: %s\n", filp, | |
297 | cmd, fl, filp->f_path.dentry->d_name.name); | |
298 | ||
299 | /* No mandatory locks */ | |
300 | if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK) | |
301 | goto out_err; | |
302 | ||
303 | if (!(fl->fl_flags & FL_FLOCK)) | |
304 | goto out_err; | |
305 | ||
306 | if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) { | |
307 | filemap_write_and_wait(inode->i_mapping); | |
308 | invalidate_mapping_pages(&inode->i_data, 0, -1); | |
309 | } | |
310 | /* Convert flock to posix lock */ | |
311 | fl->fl_owner = (fl_owner_t)filp; | |
312 | fl->fl_start = 0; | |
313 | fl->fl_end = OFFSET_MAX; | |
314 | fl->fl_flags |= FL_POSIX; | |
315 | fl->fl_flags ^= FL_FLOCK; | |
316 | ||
317 | if (IS_SETLK(cmd) | IS_SETLKW(cmd)) | |
318 | ret = v9fs_file_do_lock(filp, cmd, fl); | |
319 | else | |
320 | ret = -EINVAL; | |
321 | out_err: | |
322 | return ret; | |
323 | } | |
324 | ||
e69e7fe5 | 325 | /** |
17311779 AK |
326 | * v9fs_fid_readn - read from a fid |
327 | * @fid: fid to read | |
e69e7fe5 | 328 | * @data: data buffer to read data into |
fbedadc1 | 329 | * @udata: user data buffer to read data into |
e69e7fe5 EVH |
330 | * @count: size of buffer |
331 | * @offset: offset at which to read data | |
332 | * | |
333 | */ | |
fbedadc1 | 334 | ssize_t |
17311779 | 335 | v9fs_fid_readn(struct p9_fid *fid, char *data, char __user *udata, u32 count, |
fbedadc1 EVH |
336 | u64 offset) |
337 | { | |
97e8442b | 338 | int n, total, size; |
fbedadc1 | 339 | |
51a87c55 | 340 | P9_DPRINTK(P9_DEBUG_VFS, "fid %d offset %llu count %d\n", fid->fid, |
17311779 | 341 | (long long unsigned) offset, count); |
fbedadc1 EVH |
342 | n = 0; |
343 | total = 0; | |
97e8442b | 344 | size = fid->iounit ? fid->iounit : fid->clnt->msize - P9_IOHDRSZ; |
fbedadc1 EVH |
345 | do { |
346 | n = p9_client_read(fid, data, udata, offset, count); | |
347 | if (n <= 0) | |
348 | break; | |
349 | ||
350 | if (data) | |
351 | data += n; | |
352 | if (udata) | |
353 | udata += n; | |
354 | ||
355 | offset += n; | |
356 | count -= n; | |
357 | total += n; | |
97e8442b | 358 | } while (count > 0 && n == size); |
fbedadc1 EVH |
359 | |
360 | if (n < 0) | |
361 | total = n; | |
362 | ||
363 | return total; | |
364 | } | |
365 | ||
17311779 AK |
366 | /** |
367 | * v9fs_file_readn - read from a file | |
368 | * @filp: file pointer to read | |
369 | * @data: data buffer to read data into | |
370 | * @udata: user data buffer to read data into | |
371 | * @count: size of buffer | |
372 | * @offset: offset at which to read data | |
373 | * | |
374 | */ | |
375 | ssize_t | |
376 | v9fs_file_readn(struct file *filp, char *data, char __user *udata, u32 count, | |
377 | u64 offset) | |
378 | { | |
379 | return v9fs_fid_readn(filp->private_data, data, udata, count, offset); | |
380 | } | |
381 | ||
fbedadc1 EVH |
382 | /** |
383 | * v9fs_file_read - read from a file | |
384 | * @filp: file pointer to read | |
385 | * @udata: user data buffer to read data into | |
386 | * @count: size of buffer | |
387 | * @offset: offset at which to read data | |
388 | * | |
389 | */ | |
390 | ||
e69e7fe5 | 391 | static ssize_t |
fbedadc1 | 392 | v9fs_file_read(struct file *filp, char __user *udata, size_t count, |
19cba8ab | 393 | loff_t * offset) |
e69e7fe5 | 394 | { |
bd238fb4 LI |
395 | int ret; |
396 | struct p9_fid *fid; | |
97e8442b | 397 | size_t size; |
e69e7fe5 | 398 | |
ea2e7996 | 399 | P9_DPRINTK(P9_DEBUG_VFS, "count %zu offset %lld\n", count, *offset); |
bd238fb4 | 400 | fid = filp->private_data; |
fbedadc1 | 401 | |
97e8442b MK |
402 | size = fid->iounit ? fid->iounit : fid->clnt->msize - P9_IOHDRSZ; |
403 | if (count > size) | |
fbedadc1 EVH |
404 | ret = v9fs_file_readn(filp, NULL, udata, count, *offset); |
405 | else | |
406 | ret = p9_client_read(fid, NULL, udata, *offset, count); | |
407 | ||
bd238fb4 LI |
408 | if (ret > 0) |
409 | *offset += ret; | |
e69e7fe5 | 410 | |
bd238fb4 | 411 | return ret; |
e69e7fe5 EVH |
412 | } |
413 | ||
17311779 AK |
414 | ssize_t |
415 | v9fs_file_write_internal(struct inode *inode, struct p9_fid *fid, | |
416 | const char __user *data, size_t count, | |
417 | loff_t *offset, int invalidate) | |
e69e7fe5 | 418 | { |
8d40fa24 | 419 | int n; |
17311779 | 420 | size_t total = 0; |
dfb0ec2e | 421 | struct p9_client *clnt; |
fc0f2961 | 422 | loff_t origin = *offset; |
637d020a | 423 | unsigned long pg_start, pg_end; |
e69e7fe5 | 424 | |
bd238fb4 LI |
425 | P9_DPRINTK(P9_DEBUG_VFS, "data %p count %d offset %x\n", data, |
426 | (int)count, (int)*offset); | |
e69e7fe5 | 427 | |
dfb0ec2e | 428 | clnt = fid->clnt; |
dfb0ec2e | 429 | do { |
8d40fa24 | 430 | n = p9_client_write(fid, NULL, data+total, origin+total, count); |
dfb0ec2e EVH |
431 | if (n <= 0) |
432 | break; | |
433 | count -= n; | |
434 | total += n; | |
435 | } while (count > 0); | |
436 | ||
17311779 | 437 | if (invalidate && (total > 0)) { |
637d020a AK |
438 | pg_start = origin >> PAGE_CACHE_SHIFT; |
439 | pg_end = (origin + total - 1) >> PAGE_CACHE_SHIFT; | |
60e78d2c AK |
440 | if (inode->i_mapping && inode->i_mapping->nrpages) |
441 | invalidate_inode_pages2_range(inode->i_mapping, | |
442 | pg_start, pg_end); | |
dfb0ec2e | 443 | *offset += total; |
637d020a | 444 | i_size_write(inode, i_size_read(inode) + total); |
7549ae3e | 445 | inode->i_blocks = (i_size_read(inode) + 512 - 1) >> 9; |
9523a841 | 446 | } |
dfb0ec2e | 447 | if (n < 0) |
17311779 AK |
448 | return n; |
449 | ||
450 | return total; | |
451 | } | |
452 | ||
453 | /** | |
454 | * v9fs_file_write - write to a file | |
455 | * @filp: file pointer to write | |
456 | * @data: data buffer to write data from | |
457 | * @count: size of buffer | |
458 | * @offset: offset at which to write data | |
459 | * | |
460 | */ | |
461 | static ssize_t | |
462 | v9fs_file_write(struct file *filp, const char __user * data, | |
463 | size_t count, loff_t *offset) | |
464 | { | |
465 | ssize_t retval = 0; | |
466 | loff_t origin = *offset; | |
467 | ||
468 | ||
469 | retval = generic_write_checks(filp, &origin, &count, 0); | |
470 | if (retval) | |
471 | goto out; | |
472 | ||
473 | retval = -EINVAL; | |
474 | if ((ssize_t) count < 0) | |
475 | goto out; | |
476 | retval = 0; | |
477 | if (!count) | |
478 | goto out; | |
479 | ||
480 | return v9fs_file_write_internal(filp->f_path.dentry->d_inode, | |
481 | filp->private_data, | |
482 | data, count, offset, 1); | |
3834b12a HPB |
483 | out: |
484 | return retval; | |
e69e7fe5 EVH |
485 | } |
486 | ||
7ea80859 | 487 | static int v9fs_file_fsync(struct file *filp, int datasync) |
7a4439c4 MK |
488 | { |
489 | struct p9_fid *fid; | |
490 | struct p9_wstat wstat; | |
491 | int retval; | |
492 | ||
7ea80859 | 493 | P9_DPRINTK(P9_DEBUG_VFS, "filp %p datasync %x\n", filp, datasync); |
7a4439c4 MK |
494 | |
495 | fid = filp->private_data; | |
496 | v9fs_blank_wstat(&wstat); | |
497 | ||
498 | retval = p9_client_wstat(fid, &wstat); | |
499 | return retval; | |
500 | } | |
501 | ||
b165d601 | 502 | int v9fs_file_fsync_dotl(struct file *filp, int datasync) |
920e65dc VJJ |
503 | { |
504 | struct p9_fid *fid; | |
505 | int retval; | |
506 | ||
507 | P9_DPRINTK(P9_DEBUG_VFS, "v9fs_file_fsync_dotl: filp %p datasync %x\n", | |
508 | filp, datasync); | |
509 | ||
510 | fid = filp->private_data; | |
511 | ||
b165d601 | 512 | retval = p9_client_fsync(fid, datasync); |
920e65dc VJJ |
513 | return retval; |
514 | } | |
515 | ||
29236f4e | 516 | const struct file_operations v9fs_cached_file_operations = { |
e03abc0c EVH |
517 | .llseek = generic_file_llseek, |
518 | .read = do_sync_read, | |
519 | .aio_read = generic_file_aio_read, | |
520 | .write = v9fs_file_write, | |
521 | .open = v9fs_file_open, | |
522 | .release = v9fs_dir_release, | |
523 | .lock = v9fs_file_lock, | |
14b8869f | 524 | .mmap = generic_file_readonly_mmap, |
7a4439c4 | 525 | .fsync = v9fs_file_fsync, |
e03abc0c EVH |
526 | }; |
527 | ||
29236f4e | 528 | const struct file_operations v9fs_cached_file_operations_dotl = { |
b04faaf3 VJJ |
529 | .llseek = generic_file_llseek, |
530 | .read = do_sync_read, | |
531 | .aio_read = generic_file_aio_read, | |
532 | .write = v9fs_file_write, | |
533 | .open = v9fs_file_open, | |
534 | .release = v9fs_dir_release, | |
a099027c MK |
535 | .lock = v9fs_file_lock_dotl, |
536 | .flock = v9fs_file_flock_dotl, | |
b04faaf3 | 537 | .mmap = generic_file_readonly_mmap, |
920e65dc | 538 | .fsync = v9fs_file_fsync_dotl, |
b04faaf3 VJJ |
539 | }; |
540 | ||
4b6f5d20 | 541 | const struct file_operations v9fs_file_operations = { |
e69e7fe5 EVH |
542 | .llseek = generic_file_llseek, |
543 | .read = v9fs_file_read, | |
544 | .write = v9fs_file_write, | |
545 | .open = v9fs_file_open, | |
546 | .release = v9fs_dir_release, | |
547 | .lock = v9fs_file_lock, | |
14b8869f | 548 | .mmap = generic_file_readonly_mmap, |
7a4439c4 | 549 | .fsync = v9fs_file_fsync, |
e69e7fe5 | 550 | }; |
9b6533c9 SK |
551 | |
552 | const struct file_operations v9fs_file_operations_dotl = { | |
553 | .llseek = generic_file_llseek, | |
554 | .read = v9fs_file_read, | |
555 | .write = v9fs_file_write, | |
556 | .open = v9fs_file_open, | |
557 | .release = v9fs_dir_release, | |
a099027c MK |
558 | .lock = v9fs_file_lock_dotl, |
559 | .flock = v9fs_file_flock_dotl, | |
9b6533c9 | 560 | .mmap = generic_file_readonly_mmap, |
920e65dc | 561 | .fsync = v9fs_file_fsync_dotl, |
9b6533c9 | 562 | }; |