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Commit | Line | Data |
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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 | 46 | |
d32b687e | 47 | static const struct file_operations v9fs_cached_file_operations; |
b04faaf3 | 48 | static const struct file_operations v9fs_cached_file_operations_dotl; |
d32b687e | 49 | |
e69e7fe5 EVH |
50 | /** |
51 | * v9fs_file_open - open a file (or directory) | |
52 | * @inode: inode to be opened | |
53 | * @file: file being opened | |
54 | * | |
55 | */ | |
56 | ||
57 | int v9fs_file_open(struct inode *inode, struct file *file) | |
58 | { | |
6a3124a3 | 59 | int err; |
bd238fb4 LI |
60 | struct v9fs_session_info *v9ses; |
61 | struct p9_fid *fid; | |
62 | int omode; | |
e69e7fe5 | 63 | |
ef56547e | 64 | P9_DPRINTK(P9_DEBUG_VFS, "inode: %p file: %p\n", inode, file); |
bd238fb4 | 65 | v9ses = v9fs_inode2v9ses(inode); |
ef56547e MK |
66 | if (v9fs_proto_dotl(v9ses)) |
67 | omode = file->f_flags; | |
68 | else | |
69 | omode = v9fs_uflags2omode(file->f_flags, | |
70 | v9fs_proto_dotu(v9ses)); | |
bd238fb4 LI |
71 | fid = file->private_data; |
72 | if (!fid) { | |
73 | fid = v9fs_fid_clone(file->f_path.dentry); | |
74 | if (IS_ERR(fid)) | |
75 | return PTR_ERR(fid); | |
76 | ||
77 | err = p9_client_open(fid, omode); | |
9523a841 | 78 | if (err < 0) { |
bd238fb4 LI |
79 | p9_client_clunk(fid); |
80 | return err; | |
81 | } | |
ef56547e | 82 | if (file->f_flags & O_TRUNC) { |
7549ae3e | 83 | i_size_write(inode, 0); |
9523a841 EVH |
84 | inode->i_blocks = 0; |
85 | } | |
ef56547e MK |
86 | if ((file->f_flags & O_APPEND) && |
87 | (!v9fs_proto_dotu(v9ses) && !v9fs_proto_dotl(v9ses))) | |
2e4bef41 | 88 | generic_file_llseek(file, 0, SEEK_END); |
6a3124a3 | 89 | } |
e69e7fe5 | 90 | |
bd238fb4 LI |
91 | file->private_data = fid; |
92 | if ((fid->qid.version) && (v9ses->cache)) { | |
93 | P9_DPRINTK(P9_DEBUG_VFS, "cached"); | |
e03abc0c EVH |
94 | /* enable cached file options */ |
95 | if(file->f_op == &v9fs_file_operations) | |
96 | file->f_op = &v9fs_cached_file_operations; | |
b04faaf3 VJJ |
97 | else if (file->f_op == &v9fs_file_operations_dotl) |
98 | file->f_op = &v9fs_cached_file_operations_dotl; | |
60e78d2c AK |
99 | |
100 | #ifdef CONFIG_9P_FSCACHE | |
101 | v9fs_cache_inode_set_cookie(inode, file); | |
102 | #endif | |
e03abc0c EVH |
103 | } |
104 | ||
6a3124a3 | 105 | return 0; |
e69e7fe5 EVH |
106 | } |
107 | ||
108 | /** | |
109 | * v9fs_file_lock - lock a file (or directory) | |
ee443996 EVH |
110 | * @filp: file to be locked |
111 | * @cmd: lock command | |
112 | * @fl: file lock structure | |
e69e7fe5 | 113 | * |
ee443996 | 114 | * Bugs: this looks like a local only lock, we should extend into 9P |
e69e7fe5 EVH |
115 | * by using open exclusive |
116 | */ | |
117 | ||
118 | static int v9fs_file_lock(struct file *filp, int cmd, struct file_lock *fl) | |
119 | { | |
120 | int res = 0; | |
d6f787bc | 121 | struct inode *inode = filp->f_path.dentry->d_inode; |
e69e7fe5 | 122 | |
bd238fb4 | 123 | P9_DPRINTK(P9_DEBUG_VFS, "filp: %p lock: %p\n", filp, fl); |
e69e7fe5 EVH |
124 | |
125 | /* No mandatory locks */ | |
f78233dd | 126 | if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK) |
e69e7fe5 EVH |
127 | return -ENOLCK; |
128 | ||
129 | if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) { | |
28fd1298 | 130 | filemap_write_and_wait(inode->i_mapping); |
fc0ecff6 | 131 | invalidate_mapping_pages(&inode->i_data, 0, -1); |
e69e7fe5 EVH |
132 | } |
133 | ||
134 | return res; | |
135 | } | |
136 | ||
a099027c MK |
137 | static int v9fs_file_do_lock(struct file *filp, int cmd, struct file_lock *fl) |
138 | { | |
139 | struct p9_flock flock; | |
140 | struct p9_fid *fid; | |
141 | uint8_t status; | |
142 | int res = 0; | |
143 | unsigned char fl_type; | |
144 | ||
145 | fid = filp->private_data; | |
146 | BUG_ON(fid == NULL); | |
147 | ||
148 | if ((fl->fl_flags & FL_POSIX) != FL_POSIX) | |
149 | BUG(); | |
150 | ||
151 | res = posix_lock_file_wait(filp, fl); | |
152 | if (res < 0) | |
153 | goto out; | |
154 | ||
155 | /* convert posix lock to p9 tlock args */ | |
156 | memset(&flock, 0, sizeof(flock)); | |
157 | flock.type = fl->fl_type; | |
158 | flock.start = fl->fl_start; | |
159 | if (fl->fl_end == OFFSET_MAX) | |
160 | flock.length = 0; | |
161 | else | |
162 | flock.length = fl->fl_end - fl->fl_start + 1; | |
163 | flock.proc_id = fl->fl_pid; | |
164 | flock.client_id = utsname()->nodename; | |
165 | if (IS_SETLKW(cmd)) | |
166 | flock.flags = P9_LOCK_FLAGS_BLOCK; | |
167 | ||
168 | /* | |
169 | * if its a blocked request and we get P9_LOCK_BLOCKED as the status | |
170 | * for lock request, keep on trying | |
171 | */ | |
172 | for (;;) { | |
173 | res = p9_client_lock_dotl(fid, &flock, &status); | |
174 | if (res < 0) | |
175 | break; | |
176 | ||
177 | if (status != P9_LOCK_BLOCKED) | |
178 | break; | |
179 | if (status == P9_LOCK_BLOCKED && !IS_SETLKW(cmd)) | |
180 | break; | |
181 | schedule_timeout_interruptible(P9_LOCK_TIMEOUT); | |
182 | } | |
183 | ||
184 | /* map 9p status to VFS status */ | |
185 | switch (status) { | |
186 | case P9_LOCK_SUCCESS: | |
187 | res = 0; | |
188 | break; | |
189 | case P9_LOCK_BLOCKED: | |
190 | res = -EAGAIN; | |
191 | break; | |
192 | case P9_LOCK_ERROR: | |
193 | case P9_LOCK_GRACE: | |
194 | res = -ENOLCK; | |
195 | break; | |
196 | default: | |
197 | BUG(); | |
198 | } | |
199 | ||
200 | /* | |
201 | * incase server returned error for lock request, revert | |
202 | * it locally | |
203 | */ | |
204 | if (res < 0 && fl->fl_type != F_UNLCK) { | |
205 | fl_type = fl->fl_type; | |
206 | fl->fl_type = F_UNLCK; | |
207 | res = posix_lock_file_wait(filp, fl); | |
208 | fl->fl_type = fl_type; | |
209 | } | |
210 | out: | |
211 | return res; | |
212 | } | |
213 | ||
1d769cd1 MK |
214 | static int v9fs_file_getlock(struct file *filp, struct file_lock *fl) |
215 | { | |
216 | struct p9_getlock glock; | |
217 | struct p9_fid *fid; | |
218 | int res = 0; | |
219 | ||
220 | fid = filp->private_data; | |
221 | BUG_ON(fid == NULL); | |
222 | ||
223 | posix_test_lock(filp, fl); | |
224 | /* | |
225 | * if we have a conflicting lock locally, no need to validate | |
226 | * with server | |
227 | */ | |
228 | if (fl->fl_type != F_UNLCK) | |
229 | return res; | |
230 | ||
231 | /* convert posix lock to p9 tgetlock args */ | |
232 | memset(&glock, 0, sizeof(glock)); | |
233 | glock.type = fl->fl_type; | |
234 | glock.start = fl->fl_start; | |
235 | if (fl->fl_end == OFFSET_MAX) | |
236 | glock.length = 0; | |
237 | else | |
238 | glock.length = fl->fl_end - fl->fl_start + 1; | |
239 | glock.proc_id = fl->fl_pid; | |
240 | glock.client_id = utsname()->nodename; | |
241 | ||
242 | res = p9_client_getlock_dotl(fid, &glock); | |
243 | if (res < 0) | |
244 | return res; | |
245 | if (glock.type != F_UNLCK) { | |
246 | fl->fl_type = glock.type; | |
247 | fl->fl_start = glock.start; | |
248 | if (glock.length == 0) | |
249 | fl->fl_end = OFFSET_MAX; | |
250 | else | |
251 | fl->fl_end = glock.start + glock.length - 1; | |
252 | fl->fl_pid = glock.proc_id; | |
253 | } else | |
254 | fl->fl_type = F_UNLCK; | |
255 | ||
256 | return res; | |
257 | } | |
258 | ||
a099027c MK |
259 | /** |
260 | * v9fs_file_lock_dotl - lock a file (or directory) | |
261 | * @filp: file to be locked | |
262 | * @cmd: lock command | |
263 | * @fl: file lock structure | |
264 | * | |
265 | */ | |
266 | ||
267 | static int v9fs_file_lock_dotl(struct file *filp, int cmd, struct file_lock *fl) | |
268 | { | |
269 | struct inode *inode = filp->f_path.dentry->d_inode; | |
270 | int ret = -ENOLCK; | |
271 | ||
272 | P9_DPRINTK(P9_DEBUG_VFS, "filp: %p cmd:%d lock: %p name: %s\n", filp, | |
273 | cmd, fl, filp->f_path.dentry->d_name.name); | |
274 | ||
275 | /* No mandatory locks */ | |
276 | if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK) | |
277 | goto out_err; | |
278 | ||
279 | if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) { | |
280 | filemap_write_and_wait(inode->i_mapping); | |
281 | invalidate_mapping_pages(&inode->i_data, 0, -1); | |
282 | } | |
283 | ||
284 | if (IS_SETLK(cmd) || IS_SETLKW(cmd)) | |
285 | ret = v9fs_file_do_lock(filp, cmd, fl); | |
1d769cd1 MK |
286 | else if (IS_GETLK(cmd)) |
287 | ret = v9fs_file_getlock(filp, fl); | |
a099027c MK |
288 | else |
289 | ret = -EINVAL; | |
290 | out_err: | |
291 | return ret; | |
292 | } | |
293 | ||
294 | /** | |
295 | * v9fs_file_flock_dotl - lock a file | |
296 | * @filp: file to be locked | |
297 | * @cmd: lock command | |
298 | * @fl: file lock structure | |
299 | * | |
300 | */ | |
301 | ||
302 | static int v9fs_file_flock_dotl(struct file *filp, int cmd, | |
303 | struct file_lock *fl) | |
304 | { | |
305 | struct inode *inode = filp->f_path.dentry->d_inode; | |
306 | int ret = -ENOLCK; | |
307 | ||
308 | P9_DPRINTK(P9_DEBUG_VFS, "filp: %p cmd:%d lock: %p name: %s\n", filp, | |
309 | cmd, fl, filp->f_path.dentry->d_name.name); | |
310 | ||
311 | /* No mandatory locks */ | |
312 | if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK) | |
313 | goto out_err; | |
314 | ||
315 | if (!(fl->fl_flags & FL_FLOCK)) | |
316 | goto out_err; | |
317 | ||
318 | if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) { | |
319 | filemap_write_and_wait(inode->i_mapping); | |
320 | invalidate_mapping_pages(&inode->i_data, 0, -1); | |
321 | } | |
322 | /* Convert flock to posix lock */ | |
323 | fl->fl_owner = (fl_owner_t)filp; | |
324 | fl->fl_start = 0; | |
325 | fl->fl_end = OFFSET_MAX; | |
326 | fl->fl_flags |= FL_POSIX; | |
327 | fl->fl_flags ^= FL_FLOCK; | |
328 | ||
329 | if (IS_SETLK(cmd) | IS_SETLKW(cmd)) | |
330 | ret = v9fs_file_do_lock(filp, cmd, fl); | |
331 | else | |
332 | ret = -EINVAL; | |
333 | out_err: | |
334 | return ret; | |
335 | } | |
336 | ||
e69e7fe5 | 337 | /** |
fbedadc1 | 338 | * v9fs_file_readn - read from a file |
ee443996 | 339 | * @filp: file pointer to read |
e69e7fe5 | 340 | * @data: data buffer to read data into |
fbedadc1 | 341 | * @udata: user data buffer to read data into |
e69e7fe5 EVH |
342 | * @count: size of buffer |
343 | * @offset: offset at which to read data | |
344 | * | |
345 | */ | |
fbedadc1 EVH |
346 | |
347 | ssize_t | |
348 | v9fs_file_readn(struct file *filp, char *data, char __user *udata, u32 count, | |
349 | u64 offset) | |
350 | { | |
97e8442b | 351 | int n, total, size; |
fbedadc1 EVH |
352 | struct p9_fid *fid = filp->private_data; |
353 | ||
51a87c55 | 354 | P9_DPRINTK(P9_DEBUG_VFS, "fid %d offset %llu count %d\n", fid->fid, |
fbedadc1 EVH |
355 | (long long unsigned) offset, count); |
356 | ||
357 | n = 0; | |
358 | total = 0; | |
97e8442b | 359 | size = fid->iounit ? fid->iounit : fid->clnt->msize - P9_IOHDRSZ; |
fbedadc1 EVH |
360 | do { |
361 | n = p9_client_read(fid, data, udata, offset, count); | |
362 | if (n <= 0) | |
363 | break; | |
364 | ||
365 | if (data) | |
366 | data += n; | |
367 | if (udata) | |
368 | udata += n; | |
369 | ||
370 | offset += n; | |
371 | count -= n; | |
372 | total += n; | |
97e8442b | 373 | } while (count > 0 && n == size); |
fbedadc1 EVH |
374 | |
375 | if (n < 0) | |
376 | total = n; | |
377 | ||
378 | return total; | |
379 | } | |
380 | ||
381 | /** | |
382 | * v9fs_file_read - read from a file | |
383 | * @filp: file pointer to read | |
384 | * @udata: user data buffer to read data into | |
385 | * @count: size of buffer | |
386 | * @offset: offset at which to read data | |
387 | * | |
388 | */ | |
389 | ||
e69e7fe5 | 390 | static ssize_t |
fbedadc1 | 391 | v9fs_file_read(struct file *filp, char __user *udata, size_t count, |
19cba8ab | 392 | loff_t * offset) |
e69e7fe5 | 393 | { |
bd238fb4 LI |
394 | int ret; |
395 | struct p9_fid *fid; | |
97e8442b | 396 | size_t size; |
e69e7fe5 | 397 | |
ea2e7996 | 398 | P9_DPRINTK(P9_DEBUG_VFS, "count %zu offset %lld\n", count, *offset); |
bd238fb4 | 399 | fid = filp->private_data; |
fbedadc1 | 400 | |
97e8442b MK |
401 | size = fid->iounit ? fid->iounit : fid->clnt->msize - P9_IOHDRSZ; |
402 | if (count > size) | |
fbedadc1 EVH |
403 | ret = v9fs_file_readn(filp, NULL, udata, count, *offset); |
404 | else | |
405 | ret = p9_client_read(fid, NULL, udata, *offset, count); | |
406 | ||
bd238fb4 LI |
407 | if (ret > 0) |
408 | *offset += ret; | |
e69e7fe5 | 409 | |
bd238fb4 | 410 | return ret; |
e69e7fe5 EVH |
411 | } |
412 | ||
413 | /** | |
19cba8ab | 414 | * v9fs_file_write - write to a file |
ee443996 | 415 | * @filp: file pointer to write |
e69e7fe5 EVH |
416 | * @data: data buffer to write data from |
417 | * @count: size of buffer | |
418 | * @offset: offset at which to write data | |
419 | * | |
420 | */ | |
421 | ||
422 | static ssize_t | |
19cba8ab LI |
423 | v9fs_file_write(struct file *filp, const char __user * data, |
424 | size_t count, loff_t * offset) | |
e69e7fe5 | 425 | { |
3834b12a HPB |
426 | ssize_t retval; |
427 | size_t total = 0; | |
8d40fa24 | 428 | int n; |
bd238fb4 | 429 | struct p9_fid *fid; |
dfb0ec2e | 430 | struct p9_client *clnt; |
9523a841 | 431 | struct inode *inode = filp->f_path.dentry->d_inode; |
fc0f2961 | 432 | loff_t origin = *offset; |
637d020a | 433 | unsigned long pg_start, pg_end; |
e69e7fe5 | 434 | |
bd238fb4 LI |
435 | P9_DPRINTK(P9_DEBUG_VFS, "data %p count %d offset %x\n", data, |
436 | (int)count, (int)*offset); | |
e69e7fe5 | 437 | |
bd238fb4 | 438 | fid = filp->private_data; |
dfb0ec2e EVH |
439 | clnt = fid->clnt; |
440 | ||
3834b12a HPB |
441 | retval = generic_write_checks(filp, &origin, &count, 0); |
442 | if (retval) | |
443 | goto out; | |
444 | ||
445 | retval = -EINVAL; | |
446 | if ((ssize_t) count < 0) | |
447 | goto out; | |
448 | retval = 0; | |
449 | if (!count) | |
450 | goto out; | |
451 | ||
dfb0ec2e | 452 | do { |
8d40fa24 | 453 | n = p9_client_write(fid, NULL, data+total, origin+total, count); |
dfb0ec2e EVH |
454 | if (n <= 0) |
455 | break; | |
456 | count -= n; | |
457 | total += n; | |
458 | } while (count > 0); | |
459 | ||
460 | if (total > 0) { | |
637d020a AK |
461 | pg_start = origin >> PAGE_CACHE_SHIFT; |
462 | pg_end = (origin + total - 1) >> PAGE_CACHE_SHIFT; | |
60e78d2c AK |
463 | if (inode->i_mapping && inode->i_mapping->nrpages) |
464 | invalidate_inode_pages2_range(inode->i_mapping, | |
465 | pg_start, pg_end); | |
dfb0ec2e | 466 | *offset += total; |
637d020a | 467 | i_size_write(inode, i_size_read(inode) + total); |
7549ae3e | 468 | inode->i_blocks = (i_size_read(inode) + 512 - 1) >> 9; |
9523a841 EVH |
469 | } |
470 | ||
dfb0ec2e | 471 | if (n < 0) |
3834b12a HPB |
472 | retval = n; |
473 | else | |
474 | retval = total; | |
475 | out: | |
476 | return retval; | |
e69e7fe5 EVH |
477 | } |
478 | ||
7ea80859 | 479 | static int v9fs_file_fsync(struct file *filp, int datasync) |
7a4439c4 MK |
480 | { |
481 | struct p9_fid *fid; | |
482 | struct p9_wstat wstat; | |
483 | int retval; | |
484 | ||
7ea80859 | 485 | P9_DPRINTK(P9_DEBUG_VFS, "filp %p datasync %x\n", filp, datasync); |
7a4439c4 MK |
486 | |
487 | fid = filp->private_data; | |
488 | v9fs_blank_wstat(&wstat); | |
489 | ||
490 | retval = p9_client_wstat(fid, &wstat); | |
491 | return retval; | |
492 | } | |
493 | ||
b165d601 | 494 | int v9fs_file_fsync_dotl(struct file *filp, int datasync) |
920e65dc VJJ |
495 | { |
496 | struct p9_fid *fid; | |
497 | int retval; | |
498 | ||
499 | P9_DPRINTK(P9_DEBUG_VFS, "v9fs_file_fsync_dotl: filp %p datasync %x\n", | |
500 | filp, datasync); | |
501 | ||
502 | fid = filp->private_data; | |
503 | ||
b165d601 | 504 | retval = p9_client_fsync(fid, datasync); |
920e65dc VJJ |
505 | return retval; |
506 | } | |
507 | ||
d32b687e | 508 | static const struct file_operations v9fs_cached_file_operations = { |
e03abc0c EVH |
509 | .llseek = generic_file_llseek, |
510 | .read = do_sync_read, | |
511 | .aio_read = generic_file_aio_read, | |
512 | .write = v9fs_file_write, | |
513 | .open = v9fs_file_open, | |
514 | .release = v9fs_dir_release, | |
515 | .lock = v9fs_file_lock, | |
14b8869f | 516 | .mmap = generic_file_readonly_mmap, |
7a4439c4 | 517 | .fsync = v9fs_file_fsync, |
e03abc0c EVH |
518 | }; |
519 | ||
b04faaf3 VJJ |
520 | static const struct file_operations v9fs_cached_file_operations_dotl = { |
521 | .llseek = generic_file_llseek, | |
522 | .read = do_sync_read, | |
523 | .aio_read = generic_file_aio_read, | |
524 | .write = v9fs_file_write, | |
525 | .open = v9fs_file_open, | |
526 | .release = v9fs_dir_release, | |
a099027c MK |
527 | .lock = v9fs_file_lock_dotl, |
528 | .flock = v9fs_file_flock_dotl, | |
b04faaf3 | 529 | .mmap = generic_file_readonly_mmap, |
920e65dc | 530 | .fsync = v9fs_file_fsync_dotl, |
b04faaf3 VJJ |
531 | }; |
532 | ||
4b6f5d20 | 533 | const struct file_operations v9fs_file_operations = { |
e69e7fe5 EVH |
534 | .llseek = generic_file_llseek, |
535 | .read = v9fs_file_read, | |
536 | .write = v9fs_file_write, | |
537 | .open = v9fs_file_open, | |
538 | .release = v9fs_dir_release, | |
539 | .lock = v9fs_file_lock, | |
14b8869f | 540 | .mmap = generic_file_readonly_mmap, |
7a4439c4 | 541 | .fsync = v9fs_file_fsync, |
e69e7fe5 | 542 | }; |
9b6533c9 SK |
543 | |
544 | const struct file_operations v9fs_file_operations_dotl = { | |
545 | .llseek = generic_file_llseek, | |
546 | .read = v9fs_file_read, | |
547 | .write = v9fs_file_write, | |
548 | .open = v9fs_file_open, | |
549 | .release = v9fs_dir_release, | |
a099027c MK |
550 | .lock = v9fs_file_lock_dotl, |
551 | .flock = v9fs_file_flock_dotl, | |
9b6533c9 | 552 | .mmap = generic_file_readonly_mmap, |
920e65dc | 553 | .fsync = v9fs_file_fsync_dotl, |
9b6533c9 | 554 | }; |