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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 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; |
3cf387d7 AK |
89 | if (v9ses->cache && !inode->i_private) { |
90 | /* | |
91 | * clone a fid and add it to inode->i_private | |
92 | * we do it during open time instead of | |
93 | * page dirty time via write_begin/page_mkwrite | |
94 | * because we want write after unlink usecase | |
95 | * to work. | |
96 | */ | |
97 | fid = v9fs_writeback_fid(file->f_path.dentry); | |
98 | if (IS_ERR(fid)) { | |
99 | err = PTR_ERR(fid); | |
100 | goto out_error; | |
101 | } | |
102 | inode->i_private = (void *) fid; | |
103 | } | |
29236f4e | 104 | #ifdef CONFIG_9P_FSCACHE |
46848de0 | 105 | if (v9ses->cache) |
60e78d2c | 106 | v9fs_cache_inode_set_cookie(inode, file); |
29236f4e | 107 | #endif |
6a3124a3 | 108 | return 0; |
3cf387d7 AK |
109 | out_error: |
110 | p9_client_clunk(file->private_data); | |
111 | file->private_data = NULL; | |
112 | return err; | |
e69e7fe5 EVH |
113 | } |
114 | ||
115 | /** | |
116 | * v9fs_file_lock - lock a file (or directory) | |
ee443996 EVH |
117 | * @filp: file to be locked |
118 | * @cmd: lock command | |
119 | * @fl: file lock structure | |
e69e7fe5 | 120 | * |
ee443996 | 121 | * Bugs: this looks like a local only lock, we should extend into 9P |
e69e7fe5 EVH |
122 | * by using open exclusive |
123 | */ | |
124 | ||
125 | static int v9fs_file_lock(struct file *filp, int cmd, struct file_lock *fl) | |
126 | { | |
127 | int res = 0; | |
d6f787bc | 128 | struct inode *inode = filp->f_path.dentry->d_inode; |
e69e7fe5 | 129 | |
bd238fb4 | 130 | P9_DPRINTK(P9_DEBUG_VFS, "filp: %p lock: %p\n", filp, fl); |
e69e7fe5 EVH |
131 | |
132 | /* No mandatory locks */ | |
f78233dd | 133 | if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK) |
e69e7fe5 EVH |
134 | return -ENOLCK; |
135 | ||
136 | if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) { | |
28fd1298 | 137 | filemap_write_and_wait(inode->i_mapping); |
fc0ecff6 | 138 | invalidate_mapping_pages(&inode->i_data, 0, -1); |
e69e7fe5 EVH |
139 | } |
140 | ||
141 | return res; | |
142 | } | |
143 | ||
a099027c MK |
144 | static int v9fs_file_do_lock(struct file *filp, int cmd, struct file_lock *fl) |
145 | { | |
146 | struct p9_flock flock; | |
147 | struct p9_fid *fid; | |
148 | uint8_t status; | |
149 | int res = 0; | |
150 | unsigned char fl_type; | |
151 | ||
152 | fid = filp->private_data; | |
153 | BUG_ON(fid == NULL); | |
154 | ||
155 | if ((fl->fl_flags & FL_POSIX) != FL_POSIX) | |
156 | BUG(); | |
157 | ||
158 | res = posix_lock_file_wait(filp, fl); | |
159 | if (res < 0) | |
160 | goto out; | |
161 | ||
162 | /* convert posix lock to p9 tlock args */ | |
163 | memset(&flock, 0, sizeof(flock)); | |
164 | flock.type = fl->fl_type; | |
165 | flock.start = fl->fl_start; | |
166 | if (fl->fl_end == OFFSET_MAX) | |
167 | flock.length = 0; | |
168 | else | |
169 | flock.length = fl->fl_end - fl->fl_start + 1; | |
170 | flock.proc_id = fl->fl_pid; | |
171 | flock.client_id = utsname()->nodename; | |
172 | if (IS_SETLKW(cmd)) | |
173 | flock.flags = P9_LOCK_FLAGS_BLOCK; | |
174 | ||
175 | /* | |
176 | * if its a blocked request and we get P9_LOCK_BLOCKED as the status | |
177 | * for lock request, keep on trying | |
178 | */ | |
179 | for (;;) { | |
180 | res = p9_client_lock_dotl(fid, &flock, &status); | |
181 | if (res < 0) | |
182 | break; | |
183 | ||
184 | if (status != P9_LOCK_BLOCKED) | |
185 | break; | |
186 | if (status == P9_LOCK_BLOCKED && !IS_SETLKW(cmd)) | |
187 | break; | |
188 | schedule_timeout_interruptible(P9_LOCK_TIMEOUT); | |
189 | } | |
190 | ||
191 | /* map 9p status to VFS status */ | |
192 | switch (status) { | |
193 | case P9_LOCK_SUCCESS: | |
194 | res = 0; | |
195 | break; | |
196 | case P9_LOCK_BLOCKED: | |
197 | res = -EAGAIN; | |
198 | break; | |
199 | case P9_LOCK_ERROR: | |
200 | case P9_LOCK_GRACE: | |
201 | res = -ENOLCK; | |
202 | break; | |
203 | default: | |
204 | BUG(); | |
205 | } | |
206 | ||
207 | /* | |
208 | * incase server returned error for lock request, revert | |
209 | * it locally | |
210 | */ | |
211 | if (res < 0 && fl->fl_type != F_UNLCK) { | |
212 | fl_type = fl->fl_type; | |
213 | fl->fl_type = F_UNLCK; | |
214 | res = posix_lock_file_wait(filp, fl); | |
215 | fl->fl_type = fl_type; | |
216 | } | |
217 | out: | |
218 | return res; | |
219 | } | |
220 | ||
1d769cd1 MK |
221 | static int v9fs_file_getlock(struct file *filp, struct file_lock *fl) |
222 | { | |
223 | struct p9_getlock glock; | |
224 | struct p9_fid *fid; | |
225 | int res = 0; | |
226 | ||
227 | fid = filp->private_data; | |
228 | BUG_ON(fid == NULL); | |
229 | ||
230 | posix_test_lock(filp, fl); | |
231 | /* | |
232 | * if we have a conflicting lock locally, no need to validate | |
233 | * with server | |
234 | */ | |
235 | if (fl->fl_type != F_UNLCK) | |
236 | return res; | |
237 | ||
238 | /* convert posix lock to p9 tgetlock args */ | |
239 | memset(&glock, 0, sizeof(glock)); | |
240 | glock.type = fl->fl_type; | |
241 | glock.start = fl->fl_start; | |
242 | if (fl->fl_end == OFFSET_MAX) | |
243 | glock.length = 0; | |
244 | else | |
245 | glock.length = fl->fl_end - fl->fl_start + 1; | |
246 | glock.proc_id = fl->fl_pid; | |
247 | glock.client_id = utsname()->nodename; | |
248 | ||
249 | res = p9_client_getlock_dotl(fid, &glock); | |
250 | if (res < 0) | |
251 | return res; | |
252 | if (glock.type != F_UNLCK) { | |
253 | fl->fl_type = glock.type; | |
254 | fl->fl_start = glock.start; | |
255 | if (glock.length == 0) | |
256 | fl->fl_end = OFFSET_MAX; | |
257 | else | |
258 | fl->fl_end = glock.start + glock.length - 1; | |
259 | fl->fl_pid = glock.proc_id; | |
260 | } else | |
261 | fl->fl_type = F_UNLCK; | |
262 | ||
263 | return res; | |
264 | } | |
265 | ||
a099027c MK |
266 | /** |
267 | * v9fs_file_lock_dotl - lock a file (or directory) | |
268 | * @filp: file to be locked | |
269 | * @cmd: lock command | |
270 | * @fl: file lock structure | |
271 | * | |
272 | */ | |
273 | ||
274 | static int v9fs_file_lock_dotl(struct file *filp, int cmd, struct file_lock *fl) | |
275 | { | |
276 | struct inode *inode = filp->f_path.dentry->d_inode; | |
277 | int ret = -ENOLCK; | |
278 | ||
279 | P9_DPRINTK(P9_DEBUG_VFS, "filp: %p cmd:%d lock: %p name: %s\n", filp, | |
280 | cmd, fl, filp->f_path.dentry->d_name.name); | |
281 | ||
282 | /* No mandatory locks */ | |
283 | if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK) | |
284 | goto out_err; | |
285 | ||
286 | if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) { | |
287 | filemap_write_and_wait(inode->i_mapping); | |
288 | invalidate_mapping_pages(&inode->i_data, 0, -1); | |
289 | } | |
290 | ||
291 | if (IS_SETLK(cmd) || IS_SETLKW(cmd)) | |
292 | ret = v9fs_file_do_lock(filp, cmd, fl); | |
1d769cd1 MK |
293 | else if (IS_GETLK(cmd)) |
294 | ret = v9fs_file_getlock(filp, fl); | |
a099027c MK |
295 | else |
296 | ret = -EINVAL; | |
297 | out_err: | |
298 | return ret; | |
299 | } | |
300 | ||
301 | /** | |
302 | * v9fs_file_flock_dotl - lock a file | |
303 | * @filp: file to be locked | |
304 | * @cmd: lock command | |
305 | * @fl: file lock structure | |
306 | * | |
307 | */ | |
308 | ||
309 | static int v9fs_file_flock_dotl(struct file *filp, int cmd, | |
310 | struct file_lock *fl) | |
311 | { | |
312 | struct inode *inode = filp->f_path.dentry->d_inode; | |
313 | int ret = -ENOLCK; | |
314 | ||
315 | P9_DPRINTK(P9_DEBUG_VFS, "filp: %p cmd:%d lock: %p name: %s\n", filp, | |
316 | cmd, fl, filp->f_path.dentry->d_name.name); | |
317 | ||
318 | /* No mandatory locks */ | |
319 | if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK) | |
320 | goto out_err; | |
321 | ||
322 | if (!(fl->fl_flags & FL_FLOCK)) | |
323 | goto out_err; | |
324 | ||
325 | if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) { | |
326 | filemap_write_and_wait(inode->i_mapping); | |
327 | invalidate_mapping_pages(&inode->i_data, 0, -1); | |
328 | } | |
329 | /* Convert flock to posix lock */ | |
330 | fl->fl_owner = (fl_owner_t)filp; | |
331 | fl->fl_start = 0; | |
332 | fl->fl_end = OFFSET_MAX; | |
333 | fl->fl_flags |= FL_POSIX; | |
334 | fl->fl_flags ^= FL_FLOCK; | |
335 | ||
336 | if (IS_SETLK(cmd) | IS_SETLKW(cmd)) | |
337 | ret = v9fs_file_do_lock(filp, cmd, fl); | |
338 | else | |
339 | ret = -EINVAL; | |
340 | out_err: | |
341 | return ret; | |
342 | } | |
343 | ||
e69e7fe5 | 344 | /** |
17311779 AK |
345 | * v9fs_fid_readn - read from a fid |
346 | * @fid: fid to read | |
e69e7fe5 | 347 | * @data: data buffer to read data into |
fbedadc1 | 348 | * @udata: user data buffer to read data into |
e69e7fe5 EVH |
349 | * @count: size of buffer |
350 | * @offset: offset at which to read data | |
351 | * | |
352 | */ | |
fbedadc1 | 353 | ssize_t |
17311779 | 354 | v9fs_fid_readn(struct p9_fid *fid, char *data, char __user *udata, u32 count, |
fbedadc1 EVH |
355 | u64 offset) |
356 | { | |
97e8442b | 357 | int n, total, size; |
fbedadc1 | 358 | |
51a87c55 | 359 | P9_DPRINTK(P9_DEBUG_VFS, "fid %d offset %llu count %d\n", fid->fid, |
17311779 | 360 | (long long unsigned) offset, count); |
fbedadc1 EVH |
361 | n = 0; |
362 | total = 0; | |
97e8442b | 363 | size = fid->iounit ? fid->iounit : fid->clnt->msize - P9_IOHDRSZ; |
fbedadc1 EVH |
364 | do { |
365 | n = p9_client_read(fid, data, udata, offset, count); | |
366 | if (n <= 0) | |
367 | break; | |
368 | ||
369 | if (data) | |
370 | data += n; | |
371 | if (udata) | |
372 | udata += n; | |
373 | ||
374 | offset += n; | |
375 | count -= n; | |
376 | total += n; | |
97e8442b | 377 | } while (count > 0 && n == size); |
fbedadc1 EVH |
378 | |
379 | if (n < 0) | |
380 | total = n; | |
381 | ||
382 | return total; | |
383 | } | |
384 | ||
17311779 AK |
385 | /** |
386 | * v9fs_file_readn - read from a file | |
387 | * @filp: file pointer to read | |
388 | * @data: data buffer to read data into | |
389 | * @udata: user data buffer to read data into | |
390 | * @count: size of buffer | |
391 | * @offset: offset at which to read data | |
392 | * | |
393 | */ | |
394 | ssize_t | |
395 | v9fs_file_readn(struct file *filp, char *data, char __user *udata, u32 count, | |
396 | u64 offset) | |
397 | { | |
398 | return v9fs_fid_readn(filp->private_data, data, udata, count, offset); | |
399 | } | |
400 | ||
fbedadc1 EVH |
401 | /** |
402 | * v9fs_file_read - read from a file | |
403 | * @filp: file pointer to read | |
404 | * @udata: user data buffer to read data into | |
405 | * @count: size of buffer | |
406 | * @offset: offset at which to read data | |
407 | * | |
408 | */ | |
409 | ||
e69e7fe5 | 410 | static ssize_t |
fbedadc1 | 411 | v9fs_file_read(struct file *filp, char __user *udata, size_t count, |
19cba8ab | 412 | loff_t * offset) |
e69e7fe5 | 413 | { |
bd238fb4 LI |
414 | int ret; |
415 | struct p9_fid *fid; | |
97e8442b | 416 | size_t size; |
e69e7fe5 | 417 | |
ea2e7996 | 418 | P9_DPRINTK(P9_DEBUG_VFS, "count %zu offset %lld\n", count, *offset); |
bd238fb4 | 419 | fid = filp->private_data; |
fbedadc1 | 420 | |
97e8442b MK |
421 | size = fid->iounit ? fid->iounit : fid->clnt->msize - P9_IOHDRSZ; |
422 | if (count > size) | |
fbedadc1 EVH |
423 | ret = v9fs_file_readn(filp, NULL, udata, count, *offset); |
424 | else | |
425 | ret = p9_client_read(fid, NULL, udata, *offset, count); | |
426 | ||
bd238fb4 LI |
427 | if (ret > 0) |
428 | *offset += ret; | |
e69e7fe5 | 429 | |
bd238fb4 | 430 | return ret; |
e69e7fe5 EVH |
431 | } |
432 | ||
17311779 AK |
433 | ssize_t |
434 | v9fs_file_write_internal(struct inode *inode, struct p9_fid *fid, | |
435 | const char __user *data, size_t count, | |
436 | loff_t *offset, int invalidate) | |
e69e7fe5 | 437 | { |
8d40fa24 | 438 | int n; |
17311779 | 439 | size_t total = 0; |
dfb0ec2e | 440 | struct p9_client *clnt; |
fc0f2961 | 441 | loff_t origin = *offset; |
637d020a | 442 | unsigned long pg_start, pg_end; |
e69e7fe5 | 443 | |
bd238fb4 LI |
444 | P9_DPRINTK(P9_DEBUG_VFS, "data %p count %d offset %x\n", data, |
445 | (int)count, (int)*offset); | |
e69e7fe5 | 446 | |
dfb0ec2e | 447 | clnt = fid->clnt; |
dfb0ec2e | 448 | do { |
8d40fa24 | 449 | n = p9_client_write(fid, NULL, data+total, origin+total, count); |
dfb0ec2e EVH |
450 | if (n <= 0) |
451 | break; | |
452 | count -= n; | |
453 | total += n; | |
454 | } while (count > 0); | |
455 | ||
17311779 | 456 | if (invalidate && (total > 0)) { |
637d020a AK |
457 | pg_start = origin >> PAGE_CACHE_SHIFT; |
458 | pg_end = (origin + total - 1) >> PAGE_CACHE_SHIFT; | |
60e78d2c AK |
459 | if (inode->i_mapping && inode->i_mapping->nrpages) |
460 | invalidate_inode_pages2_range(inode->i_mapping, | |
461 | pg_start, pg_end); | |
dfb0ec2e | 462 | *offset += total; |
637d020a | 463 | i_size_write(inode, i_size_read(inode) + total); |
7549ae3e | 464 | inode->i_blocks = (i_size_read(inode) + 512 - 1) >> 9; |
9523a841 | 465 | } |
dfb0ec2e | 466 | if (n < 0) |
17311779 AK |
467 | return n; |
468 | ||
469 | return total; | |
470 | } | |
471 | ||
472 | /** | |
473 | * v9fs_file_write - write to a file | |
474 | * @filp: file pointer to write | |
475 | * @data: data buffer to write data from | |
476 | * @count: size of buffer | |
477 | * @offset: offset at which to write data | |
478 | * | |
479 | */ | |
480 | static ssize_t | |
481 | v9fs_file_write(struct file *filp, const char __user * data, | |
482 | size_t count, loff_t *offset) | |
483 | { | |
484 | ssize_t retval = 0; | |
485 | loff_t origin = *offset; | |
486 | ||
487 | ||
488 | retval = generic_write_checks(filp, &origin, &count, 0); | |
489 | if (retval) | |
490 | goto out; | |
491 | ||
492 | retval = -EINVAL; | |
493 | if ((ssize_t) count < 0) | |
494 | goto out; | |
495 | retval = 0; | |
496 | if (!count) | |
497 | goto out; | |
498 | ||
499 | return v9fs_file_write_internal(filp->f_path.dentry->d_inode, | |
500 | filp->private_data, | |
501 | data, count, offset, 1); | |
3834b12a HPB |
502 | out: |
503 | return retval; | |
e69e7fe5 EVH |
504 | } |
505 | ||
7ea80859 | 506 | static int v9fs_file_fsync(struct file *filp, int datasync) |
7a4439c4 MK |
507 | { |
508 | struct p9_fid *fid; | |
509 | struct p9_wstat wstat; | |
510 | int retval; | |
511 | ||
7ea80859 | 512 | P9_DPRINTK(P9_DEBUG_VFS, "filp %p datasync %x\n", filp, datasync); |
7a4439c4 MK |
513 | |
514 | fid = filp->private_data; | |
515 | v9fs_blank_wstat(&wstat); | |
516 | ||
517 | retval = p9_client_wstat(fid, &wstat); | |
518 | return retval; | |
519 | } | |
520 | ||
b165d601 | 521 | int v9fs_file_fsync_dotl(struct file *filp, int datasync) |
920e65dc VJJ |
522 | { |
523 | struct p9_fid *fid; | |
524 | int retval; | |
525 | ||
526 | P9_DPRINTK(P9_DEBUG_VFS, "v9fs_file_fsync_dotl: filp %p datasync %x\n", | |
527 | filp, datasync); | |
528 | ||
529 | fid = filp->private_data; | |
530 | ||
b165d601 | 531 | retval = p9_client_fsync(fid, datasync); |
920e65dc VJJ |
532 | return retval; |
533 | } | |
534 | ||
29236f4e | 535 | const struct file_operations v9fs_cached_file_operations = { |
e03abc0c EVH |
536 | .llseek = generic_file_llseek, |
537 | .read = do_sync_read, | |
538 | .aio_read = generic_file_aio_read, | |
539 | .write = v9fs_file_write, | |
540 | .open = v9fs_file_open, | |
541 | .release = v9fs_dir_release, | |
542 | .lock = v9fs_file_lock, | |
14b8869f | 543 | .mmap = generic_file_readonly_mmap, |
7a4439c4 | 544 | .fsync = v9fs_file_fsync, |
e03abc0c EVH |
545 | }; |
546 | ||
29236f4e | 547 | const struct file_operations v9fs_cached_file_operations_dotl = { |
b04faaf3 VJJ |
548 | .llseek = generic_file_llseek, |
549 | .read = do_sync_read, | |
550 | .aio_read = generic_file_aio_read, | |
551 | .write = v9fs_file_write, | |
552 | .open = v9fs_file_open, | |
553 | .release = v9fs_dir_release, | |
a099027c MK |
554 | .lock = v9fs_file_lock_dotl, |
555 | .flock = v9fs_file_flock_dotl, | |
b04faaf3 | 556 | .mmap = generic_file_readonly_mmap, |
920e65dc | 557 | .fsync = v9fs_file_fsync_dotl, |
b04faaf3 VJJ |
558 | }; |
559 | ||
4b6f5d20 | 560 | const struct file_operations v9fs_file_operations = { |
e69e7fe5 EVH |
561 | .llseek = generic_file_llseek, |
562 | .read = v9fs_file_read, | |
563 | .write = v9fs_file_write, | |
564 | .open = v9fs_file_open, | |
565 | .release = v9fs_dir_release, | |
566 | .lock = v9fs_file_lock, | |
14b8869f | 567 | .mmap = generic_file_readonly_mmap, |
7a4439c4 | 568 | .fsync = v9fs_file_fsync, |
e69e7fe5 | 569 | }; |
9b6533c9 SK |
570 | |
571 | const struct file_operations v9fs_file_operations_dotl = { | |
572 | .llseek = generic_file_llseek, | |
573 | .read = v9fs_file_read, | |
574 | .write = v9fs_file_write, | |
575 | .open = v9fs_file_open, | |
576 | .release = v9fs_dir_release, | |
a099027c MK |
577 | .lock = v9fs_file_lock_dotl, |
578 | .flock = v9fs_file_flock_dotl, | |
9b6533c9 | 579 | .mmap = generic_file_readonly_mmap, |
920e65dc | 580 | .fsync = v9fs_file_fsync_dotl, |
9b6533c9 | 581 | }; |