]>
Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
7b718769 NS |
2 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
1da177e4 | 4 | * |
7b718769 NS |
5 | * This program is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU General Public License as | |
1da177e4 LT |
7 | * published by the Free Software Foundation. |
8 | * | |
7b718769 NS |
9 | * This program is distributed in the hope that it would be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
1da177e4 | 13 | * |
7b718769 NS |
14 | * You should have received a copy of the GNU General Public License |
15 | * along with this program; if not, write the Free Software Foundation, | |
16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
1da177e4 | 17 | */ |
1da177e4 | 18 | #include "xfs.h" |
a844f451 | 19 | #include "xfs_bit.h" |
1da177e4 | 20 | #include "xfs_log.h" |
a844f451 | 21 | #include "xfs_inum.h" |
1da177e4 | 22 | #include "xfs_sb.h" |
a844f451 | 23 | #include "xfs_ag.h" |
1da177e4 LT |
24 | #include "xfs_dir.h" |
25 | #include "xfs_dir2.h" | |
26 | #include "xfs_trans.h" | |
27 | #include "xfs_dmapi.h" | |
28 | #include "xfs_mount.h" | |
29 | #include "xfs_bmap_btree.h" | |
30 | #include "xfs_alloc_btree.h" | |
31 | #include "xfs_ialloc_btree.h" | |
32 | #include "xfs_alloc.h" | |
33 | #include "xfs_btree.h" | |
34 | #include "xfs_attr_sf.h" | |
35 | #include "xfs_dir_sf.h" | |
36 | #include "xfs_dir2_sf.h" | |
37 | #include "xfs_dinode.h" | |
38 | #include "xfs_inode.h" | |
39 | #include "xfs_error.h" | |
40 | #include "xfs_rw.h" | |
41 | #include "xfs_ioctl32.h" | |
42 | ||
43 | #include <linux/dcache.h> | |
44 | #include <linux/smp_lock.h> | |
45 | ||
3562fd45 | 46 | static struct vm_operations_struct xfs_file_vm_ops; |
6fac0cb4 | 47 | #ifdef CONFIG_XFS_DMAPI |
3562fd45 | 48 | static struct vm_operations_struct xfs_dmapi_file_vm_ops; |
6fac0cb4 | 49 | #endif |
1da177e4 LT |
50 | |
51 | STATIC inline ssize_t | |
3562fd45 | 52 | __xfs_file_read( |
1da177e4 LT |
53 | struct kiocb *iocb, |
54 | char __user *buf, | |
55 | int ioflags, | |
56 | size_t count, | |
57 | loff_t pos) | |
58 | { | |
59 | struct iovec iov = {buf, count}; | |
60 | struct file *file = iocb->ki_filp; | |
ec86dc02 | 61 | vnode_t *vp = vn_from_inode(file->f_dentry->d_inode); |
1da177e4 LT |
62 | ssize_t rval; |
63 | ||
64 | BUG_ON(iocb->ki_pos != pos); | |
65 | ||
66 | if (unlikely(file->f_flags & O_DIRECT)) | |
67 | ioflags |= IO_ISDIRECT; | |
68 | VOP_READ(vp, iocb, &iov, 1, &iocb->ki_pos, ioflags, NULL, rval); | |
69 | return rval; | |
70 | } | |
71 | ||
72 | ||
73 | STATIC ssize_t | |
3562fd45 | 74 | xfs_file_aio_read( |
1da177e4 LT |
75 | struct kiocb *iocb, |
76 | char __user *buf, | |
77 | size_t count, | |
78 | loff_t pos) | |
79 | { | |
3562fd45 | 80 | return __xfs_file_read(iocb, buf, IO_ISAIO, count, pos); |
1da177e4 LT |
81 | } |
82 | ||
83 | STATIC ssize_t | |
3562fd45 | 84 | xfs_file_aio_read_invis( |
1da177e4 LT |
85 | struct kiocb *iocb, |
86 | char __user *buf, | |
87 | size_t count, | |
88 | loff_t pos) | |
89 | { | |
3562fd45 | 90 | return __xfs_file_read(iocb, buf, IO_ISAIO|IO_INVIS, count, pos); |
1da177e4 LT |
91 | } |
92 | ||
93 | ||
94 | STATIC inline ssize_t | |
3562fd45 | 95 | __xfs_file_write( |
1da177e4 LT |
96 | struct kiocb *iocb, |
97 | const char __user *buf, | |
98 | int ioflags, | |
99 | size_t count, | |
100 | loff_t pos) | |
101 | { | |
102 | struct iovec iov = {(void __user *)buf, count}; | |
103 | struct file *file = iocb->ki_filp; | |
104 | struct inode *inode = file->f_mapping->host; | |
ec86dc02 | 105 | vnode_t *vp = vn_from_inode(inode); |
1da177e4 LT |
106 | ssize_t rval; |
107 | ||
108 | BUG_ON(iocb->ki_pos != pos); | |
109 | if (unlikely(file->f_flags & O_DIRECT)) | |
110 | ioflags |= IO_ISDIRECT; | |
111 | ||
112 | VOP_WRITE(vp, iocb, &iov, 1, &iocb->ki_pos, ioflags, NULL, rval); | |
113 | return rval; | |
114 | } | |
115 | ||
116 | ||
117 | STATIC ssize_t | |
3562fd45 | 118 | xfs_file_aio_write( |
1da177e4 LT |
119 | struct kiocb *iocb, |
120 | const char __user *buf, | |
121 | size_t count, | |
122 | loff_t pos) | |
123 | { | |
3562fd45 | 124 | return __xfs_file_write(iocb, buf, IO_ISAIO, count, pos); |
1da177e4 LT |
125 | } |
126 | ||
127 | STATIC ssize_t | |
3562fd45 | 128 | xfs_file_aio_write_invis( |
1da177e4 LT |
129 | struct kiocb *iocb, |
130 | const char __user *buf, | |
131 | size_t count, | |
132 | loff_t pos) | |
133 | { | |
3562fd45 | 134 | return __xfs_file_write(iocb, buf, IO_ISAIO|IO_INVIS, count, pos); |
1da177e4 LT |
135 | } |
136 | ||
137 | ||
138 | STATIC inline ssize_t | |
3562fd45 | 139 | __xfs_file_readv( |
1da177e4 LT |
140 | struct file *file, |
141 | const struct iovec *iov, | |
142 | int ioflags, | |
143 | unsigned long nr_segs, | |
144 | loff_t *ppos) | |
145 | { | |
146 | struct inode *inode = file->f_mapping->host; | |
ec86dc02 | 147 | vnode_t *vp = vn_from_inode(inode); |
524fbf5d | 148 | struct kiocb kiocb; |
1da177e4 LT |
149 | ssize_t rval; |
150 | ||
524fbf5d NS |
151 | init_sync_kiocb(&kiocb, file); |
152 | kiocb.ki_pos = *ppos; | |
1da177e4 LT |
153 | |
154 | if (unlikely(file->f_flags & O_DIRECT)) | |
155 | ioflags |= IO_ISDIRECT; | |
524fbf5d | 156 | VOP_READ(vp, &kiocb, iov, nr_segs, &kiocb.ki_pos, ioflags, NULL, rval); |
1da177e4 | 157 | |
524fbf5d | 158 | *ppos = kiocb.ki_pos; |
1da177e4 LT |
159 | return rval; |
160 | } | |
161 | ||
162 | STATIC ssize_t | |
3562fd45 | 163 | xfs_file_readv( |
1da177e4 LT |
164 | struct file *file, |
165 | const struct iovec *iov, | |
166 | unsigned long nr_segs, | |
167 | loff_t *ppos) | |
168 | { | |
3562fd45 | 169 | return __xfs_file_readv(file, iov, 0, nr_segs, ppos); |
1da177e4 LT |
170 | } |
171 | ||
172 | STATIC ssize_t | |
3562fd45 | 173 | xfs_file_readv_invis( |
1da177e4 LT |
174 | struct file *file, |
175 | const struct iovec *iov, | |
176 | unsigned long nr_segs, | |
177 | loff_t *ppos) | |
178 | { | |
3562fd45 | 179 | return __xfs_file_readv(file, iov, IO_INVIS, nr_segs, ppos); |
1da177e4 LT |
180 | } |
181 | ||
182 | ||
183 | STATIC inline ssize_t | |
3562fd45 | 184 | __xfs_file_writev( |
1da177e4 LT |
185 | struct file *file, |
186 | const struct iovec *iov, | |
187 | int ioflags, | |
188 | unsigned long nr_segs, | |
189 | loff_t *ppos) | |
190 | { | |
191 | struct inode *inode = file->f_mapping->host; | |
ec86dc02 | 192 | vnode_t *vp = vn_from_inode(inode); |
524fbf5d | 193 | struct kiocb kiocb; |
1da177e4 LT |
194 | ssize_t rval; |
195 | ||
524fbf5d NS |
196 | init_sync_kiocb(&kiocb, file); |
197 | kiocb.ki_pos = *ppos; | |
1da177e4 LT |
198 | if (unlikely(file->f_flags & O_DIRECT)) |
199 | ioflags |= IO_ISDIRECT; | |
200 | ||
524fbf5d | 201 | VOP_WRITE(vp, &kiocb, iov, nr_segs, &kiocb.ki_pos, ioflags, NULL, rval); |
1da177e4 | 202 | |
524fbf5d | 203 | *ppos = kiocb.ki_pos; |
1da177e4 LT |
204 | return rval; |
205 | } | |
206 | ||
207 | ||
208 | STATIC ssize_t | |
3562fd45 | 209 | xfs_file_writev( |
1da177e4 LT |
210 | struct file *file, |
211 | const struct iovec *iov, | |
212 | unsigned long nr_segs, | |
213 | loff_t *ppos) | |
214 | { | |
3562fd45 | 215 | return __xfs_file_writev(file, iov, 0, nr_segs, ppos); |
1da177e4 LT |
216 | } |
217 | ||
218 | STATIC ssize_t | |
3562fd45 | 219 | xfs_file_writev_invis( |
1da177e4 LT |
220 | struct file *file, |
221 | const struct iovec *iov, | |
222 | unsigned long nr_segs, | |
223 | loff_t *ppos) | |
224 | { | |
3562fd45 | 225 | return __xfs_file_writev(file, iov, IO_INVIS, nr_segs, ppos); |
1da177e4 LT |
226 | } |
227 | ||
228 | STATIC ssize_t | |
3562fd45 | 229 | xfs_file_sendfile( |
1da177e4 LT |
230 | struct file *filp, |
231 | loff_t *ppos, | |
232 | size_t count, | |
233 | read_actor_t actor, | |
234 | void *target) | |
235 | { | |
ec86dc02 | 236 | vnode_t *vp = vn_from_inode(filp->f_dentry->d_inode); |
1da177e4 LT |
237 | ssize_t rval; |
238 | ||
239 | VOP_SENDFILE(vp, filp, ppos, 0, count, actor, target, NULL, rval); | |
240 | return rval; | |
241 | } | |
242 | ||
243 | ||
244 | STATIC int | |
3562fd45 | 245 | xfs_file_open( |
1da177e4 LT |
246 | struct inode *inode, |
247 | struct file *filp) | |
248 | { | |
ec86dc02 | 249 | vnode_t *vp = vn_from_inode(inode); |
1da177e4 LT |
250 | int error; |
251 | ||
252 | if (!(filp->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS) | |
253 | return -EFBIG; | |
254 | ||
255 | ASSERT(vp); | |
256 | VOP_OPEN(vp, NULL, error); | |
257 | return -error; | |
258 | } | |
259 | ||
260 | ||
261 | STATIC int | |
3562fd45 | 262 | xfs_file_release( |
1da177e4 LT |
263 | struct inode *inode, |
264 | struct file *filp) | |
265 | { | |
ec86dc02 | 266 | vnode_t *vp = vn_from_inode(inode); |
1da177e4 LT |
267 | int error = 0; |
268 | ||
269 | if (vp) | |
270 | VOP_RELEASE(vp, error); | |
271 | return -error; | |
272 | } | |
273 | ||
274 | ||
275 | STATIC int | |
3562fd45 | 276 | xfs_file_fsync( |
1da177e4 LT |
277 | struct file *filp, |
278 | struct dentry *dentry, | |
279 | int datasync) | |
280 | { | |
281 | struct inode *inode = dentry->d_inode; | |
ec86dc02 | 282 | vnode_t *vp = vn_from_inode(inode); |
1da177e4 LT |
283 | int error; |
284 | int flags = FSYNC_WAIT; | |
285 | ||
286 | if (datasync) | |
287 | flags |= FSYNC_DATA; | |
288 | ||
289 | ASSERT(vp); | |
290 | VOP_FSYNC(vp, flags, NULL, (xfs_off_t)0, (xfs_off_t)-1, error); | |
291 | return -error; | |
292 | } | |
293 | ||
294 | /* | |
3562fd45 | 295 | * xfs_file_readdir maps to VOP_READDIR(). |
1da177e4 LT |
296 | * We need to build a uio, cred, ... |
297 | */ | |
298 | ||
299 | #define nextdp(dp) ((struct xfs_dirent *)((char *)(dp) + (dp)->d_reclen)) | |
300 | ||
bb3f724e DR |
301 | #ifdef CONFIG_XFS_DMAPI |
302 | ||
303 | STATIC struct page * | |
3562fd45 | 304 | xfs_vm_nopage( |
bb3f724e DR |
305 | struct vm_area_struct *area, |
306 | unsigned long address, | |
307 | int *type) | |
308 | { | |
309 | struct inode *inode = area->vm_file->f_dentry->d_inode; | |
ec86dc02 | 310 | vnode_t *vp = vn_from_inode(inode); |
bb3f724e DR |
311 | xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp); |
312 | int error; | |
313 | ||
314 | ASSERT_ALWAYS(vp->v_vfsp->vfs_flag & VFS_DMI); | |
315 | ||
316 | error = XFS_SEND_MMAP(mp, area, 0); | |
317 | if (error) | |
318 | return NULL; | |
319 | ||
320 | return filemap_nopage(area, address, type); | |
321 | } | |
322 | ||
323 | #endif /* CONFIG_XFS_DMAPI */ | |
324 | ||
325 | ||
1da177e4 | 326 | STATIC int |
3562fd45 | 327 | xfs_file_readdir( |
1da177e4 LT |
328 | struct file *filp, |
329 | void *dirent, | |
330 | filldir_t filldir) | |
331 | { | |
332 | int error = 0; | |
333 | vnode_t *vp; | |
334 | uio_t uio; | |
335 | iovec_t iov; | |
336 | int eof = 0; | |
337 | caddr_t read_buf; | |
338 | int namelen, size = 0; | |
339 | size_t rlen = PAGE_CACHE_SIZE; | |
340 | xfs_off_t start_offset, curr_offset; | |
341 | xfs_dirent_t *dbp = NULL; | |
342 | ||
ec86dc02 | 343 | vp = vn_from_inode(filp->f_dentry->d_inode); |
1da177e4 LT |
344 | ASSERT(vp); |
345 | ||
346 | /* Try fairly hard to get memory */ | |
347 | do { | |
348 | if ((read_buf = (caddr_t)kmalloc(rlen, GFP_KERNEL))) | |
349 | break; | |
350 | rlen >>= 1; | |
351 | } while (rlen >= 1024); | |
352 | ||
353 | if (read_buf == NULL) | |
354 | return -ENOMEM; | |
355 | ||
356 | uio.uio_iov = &iov; | |
357 | uio.uio_segflg = UIO_SYSSPACE; | |
358 | curr_offset = filp->f_pos; | |
359 | if (filp->f_pos != 0x7fffffff) | |
360 | uio.uio_offset = filp->f_pos; | |
361 | else | |
362 | uio.uio_offset = 0xffffffff; | |
363 | ||
364 | while (!eof) { | |
365 | uio.uio_resid = iov.iov_len = rlen; | |
366 | iov.iov_base = read_buf; | |
367 | uio.uio_iovcnt = 1; | |
368 | ||
369 | start_offset = uio.uio_offset; | |
370 | ||
371 | VOP_READDIR(vp, &uio, NULL, &eof, error); | |
372 | if ((uio.uio_offset == start_offset) || error) { | |
373 | size = 0; | |
374 | break; | |
375 | } | |
376 | ||
377 | size = rlen - uio.uio_resid; | |
378 | dbp = (xfs_dirent_t *)read_buf; | |
379 | while (size > 0) { | |
380 | namelen = strlen(dbp->d_name); | |
381 | ||
382 | if (filldir(dirent, dbp->d_name, namelen, | |
383 | (loff_t) curr_offset & 0x7fffffff, | |
384 | (ino_t) dbp->d_ino, | |
385 | DT_UNKNOWN)) { | |
386 | goto done; | |
387 | } | |
388 | size -= dbp->d_reclen; | |
389 | curr_offset = (loff_t)dbp->d_off /* & 0x7fffffff */; | |
390 | dbp = nextdp(dbp); | |
391 | } | |
392 | } | |
393 | done: | |
394 | if (!error) { | |
395 | if (size == 0) | |
396 | filp->f_pos = uio.uio_offset & 0x7fffffff; | |
397 | else if (dbp) | |
398 | filp->f_pos = curr_offset; | |
399 | } | |
400 | ||
401 | kfree(read_buf); | |
402 | return -error; | |
403 | } | |
404 | ||
405 | ||
406 | STATIC int | |
3562fd45 | 407 | xfs_file_mmap( |
1da177e4 LT |
408 | struct file *filp, |
409 | struct vm_area_struct *vma) | |
410 | { | |
411 | struct inode *ip = filp->f_dentry->d_inode; | |
ec86dc02 | 412 | vnode_t *vp = vn_from_inode(ip); |
524fbf5d | 413 | vattr_t vattr; |
1da177e4 LT |
414 | int error; |
415 | ||
3562fd45 | 416 | vma->vm_ops = &xfs_file_vm_ops; |
6fac0cb4 | 417 | |
6fac0cb4 | 418 | #ifdef CONFIG_XFS_DMAPI |
bb3f724e | 419 | if (vp->v_vfsp->vfs_flag & VFS_DMI) { |
3562fd45 | 420 | vma->vm_ops = &xfs_dmapi_file_vm_ops; |
1da177e4 | 421 | } |
bb3f724e | 422 | #endif /* CONFIG_XFS_DMAPI */ |
1da177e4 | 423 | |
524fbf5d NS |
424 | vattr.va_mask = XFS_AT_UPDATIME; |
425 | VOP_SETATTR(vp, &vattr, XFS_AT_UPDATIME, NULL, error); | |
220b5284 | 426 | if (likely(!error)) |
524fbf5d | 427 | __vn_revalidate(vp, &vattr); /* update flags */ |
1da177e4 LT |
428 | return 0; |
429 | } | |
430 | ||
431 | ||
432 | STATIC long | |
3562fd45 | 433 | xfs_file_ioctl( |
1da177e4 LT |
434 | struct file *filp, |
435 | unsigned int cmd, | |
436 | unsigned long arg) | |
437 | { | |
438 | int error; | |
1f6553f9 | 439 | struct inode *inode = filp->f_dentry->d_inode; |
ec86dc02 | 440 | vnode_t *vp = vn_from_inode(inode); |
1da177e4 LT |
441 | |
442 | VOP_IOCTL(vp, inode, filp, 0, cmd, (void __user *)arg, error); | |
443 | VMODIFY(vp); | |
444 | ||
445 | /* NOTE: some of the ioctl's return positive #'s as a | |
446 | * byte count indicating success, such as | |
447 | * readlink_by_handle. So we don't "sign flip" | |
448 | * like most other routines. This means true | |
449 | * errors need to be returned as a negative value. | |
450 | */ | |
451 | return error; | |
452 | } | |
453 | ||
454 | STATIC long | |
3562fd45 | 455 | xfs_file_ioctl_invis( |
1da177e4 LT |
456 | struct file *filp, |
457 | unsigned int cmd, | |
458 | unsigned long arg) | |
459 | { | |
460 | int error; | |
1f6553f9 | 461 | struct inode *inode = filp->f_dentry->d_inode; |
ec86dc02 | 462 | vnode_t *vp = vn_from_inode(inode); |
1da177e4 LT |
463 | |
464 | ASSERT(vp); | |
465 | VOP_IOCTL(vp, inode, filp, IO_INVIS, cmd, (void __user *)arg, error); | |
466 | VMODIFY(vp); | |
467 | ||
468 | /* NOTE: some of the ioctl's return positive #'s as a | |
469 | * byte count indicating success, such as | |
470 | * readlink_by_handle. So we don't "sign flip" | |
471 | * like most other routines. This means true | |
472 | * errors need to be returned as a negative value. | |
473 | */ | |
474 | return error; | |
475 | } | |
476 | ||
bb3f724e | 477 | #ifdef CONFIG_XFS_DMAPI |
1da177e4 LT |
478 | #ifdef HAVE_VMOP_MPROTECT |
479 | STATIC int | |
3562fd45 | 480 | xfs_vm_mprotect( |
1da177e4 LT |
481 | struct vm_area_struct *vma, |
482 | unsigned int newflags) | |
483 | { | |
ec86dc02 | 484 | vnode_t *vp = vn_from_inode(vma->vm_file->f_dentry->d_inode); |
1da177e4 LT |
485 | int error = 0; |
486 | ||
487 | if (vp->v_vfsp->vfs_flag & VFS_DMI) { | |
488 | if ((vma->vm_flags & VM_MAYSHARE) && | |
489 | (newflags & VM_WRITE) && !(vma->vm_flags & VM_WRITE)) { | |
490 | xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp); | |
491 | ||
492 | error = XFS_SEND_MMAP(mp, vma, VM_WRITE); | |
493 | } | |
494 | } | |
495 | return error; | |
496 | } | |
497 | #endif /* HAVE_VMOP_MPROTECT */ | |
bb3f724e | 498 | #endif /* CONFIG_XFS_DMAPI */ |
1da177e4 LT |
499 | |
500 | #ifdef HAVE_FOP_OPEN_EXEC | |
501 | /* If the user is attempting to execute a file that is offline then | |
502 | * we have to trigger a DMAPI READ event before the file is marked as busy | |
503 | * otherwise the invisible I/O will not be able to write to the file to bring | |
504 | * it back online. | |
505 | */ | |
506 | STATIC int | |
3562fd45 | 507 | xfs_file_open_exec( |
1da177e4 LT |
508 | struct inode *inode) |
509 | { | |
ec86dc02 | 510 | vnode_t *vp = vn_from_inode(inode); |
1da177e4 LT |
511 | xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp); |
512 | int error = 0; | |
1da177e4 LT |
513 | xfs_inode_t *ip; |
514 | ||
515 | if (vp->v_vfsp->vfs_flag & VFS_DMI) { | |
75e17b3c CH |
516 | ip = xfs_vtoi(vp); |
517 | if (!ip) { | |
1da177e4 LT |
518 | error = -EINVAL; |
519 | goto open_exec_out; | |
520 | } | |
1da177e4 LT |
521 | if (DM_EVENT_ENABLED(vp->v_vfsp, ip, DM_EVENT_READ)) { |
522 | error = -XFS_SEND_DATA(mp, DM_EVENT_READ, vp, | |
523 | 0, 0, 0, NULL); | |
524 | } | |
525 | } | |
526 | open_exec_out: | |
527 | return error; | |
528 | } | |
529 | #endif /* HAVE_FOP_OPEN_EXEC */ | |
530 | ||
3562fd45 | 531 | struct file_operations xfs_file_operations = { |
1da177e4 LT |
532 | .llseek = generic_file_llseek, |
533 | .read = do_sync_read, | |
bb3f724e | 534 | .write = do_sync_write, |
3562fd45 NS |
535 | .readv = xfs_file_readv, |
536 | .writev = xfs_file_writev, | |
537 | .aio_read = xfs_file_aio_read, | |
538 | .aio_write = xfs_file_aio_write, | |
539 | .sendfile = xfs_file_sendfile, | |
540 | .unlocked_ioctl = xfs_file_ioctl, | |
1da177e4 | 541 | #ifdef CONFIG_COMPAT |
3562fd45 | 542 | .compat_ioctl = xfs_file_compat_ioctl, |
1da177e4 | 543 | #endif |
3562fd45 NS |
544 | .mmap = xfs_file_mmap, |
545 | .open = xfs_file_open, | |
546 | .release = xfs_file_release, | |
547 | .fsync = xfs_file_fsync, | |
1da177e4 | 548 | #ifdef HAVE_FOP_OPEN_EXEC |
3562fd45 | 549 | .open_exec = xfs_file_open_exec, |
1da177e4 LT |
550 | #endif |
551 | }; | |
552 | ||
3562fd45 | 553 | struct file_operations xfs_invis_file_operations = { |
1da177e4 LT |
554 | .llseek = generic_file_llseek, |
555 | .read = do_sync_read, | |
bb3f724e | 556 | .write = do_sync_write, |
3562fd45 NS |
557 | .readv = xfs_file_readv_invis, |
558 | .writev = xfs_file_writev_invis, | |
559 | .aio_read = xfs_file_aio_read_invis, | |
560 | .aio_write = xfs_file_aio_write_invis, | |
561 | .sendfile = xfs_file_sendfile, | |
562 | .unlocked_ioctl = xfs_file_ioctl_invis, | |
1da177e4 | 563 | #ifdef CONFIG_COMPAT |
3562fd45 | 564 | .compat_ioctl = xfs_file_compat_invis_ioctl, |
1da177e4 | 565 | #endif |
3562fd45 NS |
566 | .mmap = xfs_file_mmap, |
567 | .open = xfs_file_open, | |
568 | .release = xfs_file_release, | |
569 | .fsync = xfs_file_fsync, | |
1da177e4 LT |
570 | }; |
571 | ||
572 | ||
3562fd45 | 573 | struct file_operations xfs_dir_file_operations = { |
1da177e4 | 574 | .read = generic_read_dir, |
3562fd45 NS |
575 | .readdir = xfs_file_readdir, |
576 | .unlocked_ioctl = xfs_file_ioctl, | |
d3870398 | 577 | #ifdef CONFIG_COMPAT |
3562fd45 | 578 | .compat_ioctl = xfs_file_compat_ioctl, |
d3870398 | 579 | #endif |
3562fd45 | 580 | .fsync = xfs_file_fsync, |
1da177e4 LT |
581 | }; |
582 | ||
3562fd45 | 583 | static struct vm_operations_struct xfs_file_vm_ops = { |
1da177e4 LT |
584 | .nopage = filemap_nopage, |
585 | .populate = filemap_populate, | |
6fac0cb4 DR |
586 | }; |
587 | ||
588 | #ifdef CONFIG_XFS_DMAPI | |
3562fd45 NS |
589 | static struct vm_operations_struct xfs_dmapi_file_vm_ops = { |
590 | .nopage = xfs_vm_nopage, | |
6fac0cb4 | 591 | .populate = filemap_populate, |
1da177e4 | 592 | #ifdef HAVE_VMOP_MPROTECT |
3562fd45 | 593 | .mprotect = xfs_vm_mprotect, |
1da177e4 LT |
594 | #endif |
595 | }; | |
6fac0cb4 | 596 | #endif /* CONFIG_XFS_DMAPI */ |