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Commit | Line | Data |
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1da177e4 LT |
1 | /* -*- c -*- --------------------------------------------------------------- * |
2 | * | |
3 | * linux/fs/autofs/expire.c | |
4 | * | |
5 | * Copyright 1997-1998 Transmeta Corporation -- All Rights Reserved | |
6 | * Copyright 1999-2000 Jeremy Fitzhardinge <jeremy@goop.org> | |
3a15e2ab | 7 | * Copyright 2001-2006 Ian Kent <raven@themaw.net> |
1da177e4 LT |
8 | * |
9 | * This file is part of the Linux kernel and is made available under | |
10 | * the terms of the GNU General Public License, version 2, or at your | |
11 | * option, any later version, incorporated herein by reference. | |
12 | * | |
13 | * ------------------------------------------------------------------------- */ | |
14 | ||
15 | #include "autofs_i.h" | |
16 | ||
17 | static unsigned long now; | |
18 | ||
1f5f2c30 | 19 | /* Check if a dentry can be expired */ |
1da177e4 LT |
20 | static inline int autofs4_can_expire(struct dentry *dentry, |
21 | unsigned long timeout, int do_now) | |
22 | { | |
23 | struct autofs_info *ino = autofs4_dentry_ino(dentry); | |
24 | ||
25 | /* dentry in the process of being deleted */ | |
26 | if (ino == NULL) | |
27 | return 0; | |
28 | ||
29 | /* No point expiring a pending mount */ | |
30 | if (dentry->d_flags & DCACHE_AUTOFS_PENDING) | |
31 | return 0; | |
32 | ||
33 | if (!do_now) { | |
34 | /* Too young to die */ | |
c0ba7e51 | 35 | if (!timeout || time_after(ino->last_used + timeout, now)) |
1da177e4 LT |
36 | return 0; |
37 | ||
38 | /* update last_used here :- | |
39 | - obviously makes sense if it is in use now | |
40 | - less obviously, prevents rapid-fire expire | |
41 | attempts if expire fails the first time */ | |
42 | ino->last_used = now; | |
43 | } | |
1da177e4 LT |
44 | return 1; |
45 | } | |
46 | ||
1f5f2c30 IK |
47 | /* Check a mount point for busyness */ |
48 | static int autofs4_mount_busy(struct vfsmount *mnt, struct dentry *dentry) | |
1da177e4 | 49 | { |
e0a7aae9 | 50 | struct dentry *top = dentry; |
9393bd07 | 51 | struct path path = {.mnt = mnt, .dentry = dentry}; |
1f5f2c30 | 52 | int status = 1; |
1da177e4 LT |
53 | |
54 | DPRINTK("dentry %p %.*s", | |
55 | dentry, (int)dentry->d_name.len, dentry->d_name.name); | |
56 | ||
9393bd07 | 57 | path_get(&path); |
1da177e4 | 58 | |
9393bd07 | 59 | if (!follow_down(&path)) |
1da177e4 LT |
60 | goto done; |
61 | ||
9393bd07 AV |
62 | if (is_autofs4_dentry(path.dentry)) { |
63 | struct autofs_sb_info *sbi = autofs4_sbi(path.dentry->d_sb); | |
bc9c4068 IK |
64 | |
65 | /* This is an autofs submount, we can't expire it */ | |
a92daf6b | 66 | if (autofs_type_indirect(sbi->type)) |
bc9c4068 IK |
67 | goto done; |
68 | ||
69 | /* | |
70 | * Otherwise it's an offset mount and we need to check | |
71 | * if we can umount its mount, if there is one. | |
72 | */ | |
9393bd07 | 73 | if (!d_mountpoint(path.dentry)) { |
a8985f3a | 74 | status = 0; |
bc9c4068 | 75 | goto done; |
a8985f3a | 76 | } |
bc9c4068 | 77 | } |
1da177e4 | 78 | |
e0a7aae9 | 79 | /* Update the expiry counter if fs is busy */ |
e3474a8e | 80 | if (!may_umount_tree(mnt)) { |
e0a7aae9 IK |
81 | struct autofs_info *ino = autofs4_dentry_ino(top); |
82 | ino->last_used = jiffies; | |
83 | goto done; | |
84 | } | |
85 | ||
86 | status = 0; | |
1da177e4 LT |
87 | done: |
88 | DPRINTK("returning = %d", status); | |
9393bd07 | 89 | path_put(&path); |
1da177e4 LT |
90 | return status; |
91 | } | |
92 | ||
1ce12bad IK |
93 | /* |
94 | * Calculate next entry in top down tree traversal. | |
95 | * From next_mnt in namespace.c - elegant. | |
96 | */ | |
97 | static struct dentry *next_dentry(struct dentry *p, struct dentry *root) | |
98 | { | |
99 | struct list_head *next = p->d_subdirs.next; | |
100 | ||
101 | if (next == &p->d_subdirs) { | |
102 | while (1) { | |
103 | if (p == root) | |
104 | return NULL; | |
105 | next = p->d_u.d_child.next; | |
106 | if (next != &p->d_parent->d_subdirs) | |
107 | break; | |
108 | p = p->d_parent; | |
109 | } | |
110 | } | |
111 | return list_entry(next, struct dentry, d_u.d_child); | |
112 | } | |
113 | ||
3a15e2ab IK |
114 | /* |
115 | * Check a direct mount point for busyness. | |
116 | * Direct mounts have similar expiry semantics to tree mounts. | |
117 | * The tree is not busy iff no mountpoints are busy and there are no | |
118 | * autofs submounts. | |
119 | */ | |
120 | static int autofs4_direct_busy(struct vfsmount *mnt, | |
121 | struct dentry *top, | |
122 | unsigned long timeout, | |
123 | int do_now) | |
124 | { | |
125 | DPRINTK("top %p %.*s", | |
126 | top, (int) top->d_name.len, top->d_name.name); | |
127 | ||
3a15e2ab IK |
128 | /* If it's busy update the expiry counters */ |
129 | if (!may_umount_tree(mnt)) { | |
130 | struct autofs_info *ino = autofs4_dentry_ino(top); | |
131 | if (ino) | |
132 | ino->last_used = jiffies; | |
133 | return 1; | |
134 | } | |
135 | ||
136 | /* Timeout of a direct mount is determined by its top dentry */ | |
137 | if (!autofs4_can_expire(top, timeout, do_now)) | |
138 | return 1; | |
139 | ||
140 | return 0; | |
141 | } | |
142 | ||
1da177e4 LT |
143 | /* Check a directory tree of mount points for busyness |
144 | * The tree is not busy iff no mountpoints are busy | |
1da177e4 | 145 | */ |
1f5f2c30 IK |
146 | static int autofs4_tree_busy(struct vfsmount *mnt, |
147 | struct dentry *top, | |
148 | unsigned long timeout, | |
149 | int do_now) | |
1da177e4 | 150 | { |
e0a7aae9 | 151 | struct autofs_info *top_ino = autofs4_dentry_ino(top); |
1ce12bad | 152 | struct dentry *p; |
1da177e4 | 153 | |
1f5f2c30 | 154 | DPRINTK("top %p %.*s", |
1da177e4 LT |
155 | top, (int)top->d_name.len, top->d_name.name); |
156 | ||
157 | /* Negative dentry - give up */ | |
158 | if (!simple_positive(top)) | |
1f5f2c30 | 159 | return 1; |
1da177e4 | 160 | |
1da177e4 | 161 | spin_lock(&dcache_lock); |
1ce12bad | 162 | for (p = top; p; p = next_dentry(p, top)) { |
1da177e4 | 163 | /* Negative dentry - give up */ |
1ce12bad | 164 | if (!simple_positive(p)) |
1da177e4 | 165 | continue; |
1da177e4 LT |
166 | |
167 | DPRINTK("dentry %p %.*s", | |
1ce12bad | 168 | p, (int) p->d_name.len, p->d_name.name); |
1da177e4 | 169 | |
1ce12bad | 170 | p = dget(p); |
1da177e4 LT |
171 | spin_unlock(&dcache_lock); |
172 | ||
1aff3c8b IK |
173 | /* |
174 | * Is someone visiting anywhere in the subtree ? | |
175 | * If there's no mount we need to check the usage | |
176 | * count for the autofs dentry. | |
e0a7aae9 | 177 | * If the fs is busy update the expiry counter. |
1aff3c8b | 178 | */ |
1ce12bad | 179 | if (d_mountpoint(p)) { |
1ce12bad | 180 | if (autofs4_mount_busy(mnt, p)) { |
e0a7aae9 | 181 | top_ino->last_used = jiffies; |
1ce12bad | 182 | dput(p); |
1f5f2c30 | 183 | return 1; |
1da177e4 | 184 | } |
1aff3c8b | 185 | } else { |
e0a7aae9 | 186 | struct autofs_info *ino = autofs4_dentry_ino(p); |
1aff3c8b IK |
187 | unsigned int ino_count = atomic_read(&ino->count); |
188 | ||
f9022f66 IK |
189 | /* |
190 | * Clean stale dentries below that have not been | |
191 | * invalidated after a mount fail during lookup | |
192 | */ | |
193 | d_invalidate(p); | |
194 | ||
1aff3c8b IK |
195 | /* allow for dget above and top is already dgot */ |
196 | if (p == top) | |
197 | ino_count += 2; | |
198 | else | |
199 | ino_count++; | |
200 | ||
201 | if (atomic_read(&p->d_count) > ino_count) { | |
e0a7aae9 | 202 | top_ino->last_used = jiffies; |
1aff3c8b IK |
203 | dput(p); |
204 | return 1; | |
205 | } | |
1da177e4 | 206 | } |
1ce12bad | 207 | dput(p); |
1da177e4 | 208 | spin_lock(&dcache_lock); |
1da177e4 LT |
209 | } |
210 | spin_unlock(&dcache_lock); | |
1aff3c8b IK |
211 | |
212 | /* Timeout of a tree mount is ultimately determined by its top dentry */ | |
213 | if (!autofs4_can_expire(top, timeout, do_now)) | |
214 | return 1; | |
215 | ||
1f5f2c30 | 216 | return 0; |
1da177e4 LT |
217 | } |
218 | ||
219 | static struct dentry *autofs4_check_leaves(struct vfsmount *mnt, | |
220 | struct dentry *parent, | |
221 | unsigned long timeout, | |
222 | int do_now) | |
223 | { | |
1ce12bad | 224 | struct dentry *p; |
1da177e4 LT |
225 | |
226 | DPRINTK("parent %p %.*s", | |
227 | parent, (int)parent->d_name.len, parent->d_name.name); | |
228 | ||
229 | spin_lock(&dcache_lock); | |
1ce12bad | 230 | for (p = parent; p; p = next_dentry(p, parent)) { |
1da177e4 | 231 | /* Negative dentry - give up */ |
1ce12bad | 232 | if (!simple_positive(p)) |
1da177e4 | 233 | continue; |
1da177e4 LT |
234 | |
235 | DPRINTK("dentry %p %.*s", | |
1ce12bad | 236 | p, (int) p->d_name.len, p->d_name.name); |
1da177e4 | 237 | |
1ce12bad | 238 | p = dget(p); |
1da177e4 LT |
239 | spin_unlock(&dcache_lock); |
240 | ||
1ce12bad | 241 | if (d_mountpoint(p)) { |
e0a7aae9 IK |
242 | /* Can we umount this guy */ |
243 | if (autofs4_mount_busy(mnt, p)) | |
1da177e4 LT |
244 | goto cont; |
245 | ||
e0a7aae9 IK |
246 | /* Can we expire this guy */ |
247 | if (autofs4_can_expire(p, timeout, do_now)) | |
1ce12bad | 248 | return p; |
1da177e4 LT |
249 | } |
250 | cont: | |
1ce12bad | 251 | dput(p); |
1da177e4 | 252 | spin_lock(&dcache_lock); |
1da177e4 LT |
253 | } |
254 | spin_unlock(&dcache_lock); | |
1da177e4 LT |
255 | return NULL; |
256 | } | |
257 | ||
3a15e2ab | 258 | /* Check if we can expire a direct mount (possibly a tree) */ |
8d7b48e0 IK |
259 | struct dentry *autofs4_expire_direct(struct super_block *sb, |
260 | struct vfsmount *mnt, | |
261 | struct autofs_sb_info *sbi, | |
262 | int how) | |
3a15e2ab IK |
263 | { |
264 | unsigned long timeout; | |
265 | struct dentry *root = dget(sb->s_root); | |
266 | int do_now = how & AUTOFS_EXP_IMMEDIATE; | |
267 | ||
c0ba7e51 | 268 | if (!root) |
3a15e2ab IK |
269 | return NULL; |
270 | ||
271 | now = jiffies; | |
272 | timeout = sbi->exp_timeout; | |
273 | ||
3a15e2ab IK |
274 | spin_lock(&sbi->fs_lock); |
275 | if (!autofs4_direct_busy(mnt, root, timeout, do_now)) { | |
276 | struct autofs_info *ino = autofs4_dentry_ino(root); | |
6e60a9ab IK |
277 | if (d_mountpoint(root)) { |
278 | ino->flags |= AUTOFS_INF_MOUNTPOINT; | |
279 | root->d_mounted--; | |
280 | } | |
3a15e2ab | 281 | ino->flags |= AUTOFS_INF_EXPIRING; |
6e60a9ab | 282 | init_completion(&ino->expire_complete); |
3a15e2ab IK |
283 | spin_unlock(&sbi->fs_lock); |
284 | return root; | |
285 | } | |
286 | spin_unlock(&sbi->fs_lock); | |
287 | dput(root); | |
288 | ||
289 | return NULL; | |
290 | } | |
291 | ||
1da177e4 LT |
292 | /* |
293 | * Find an eligible tree to time-out | |
294 | * A tree is eligible if :- | |
295 | * - it is unused by any user process | |
296 | * - it has been unused for exp_timeout time | |
297 | */ | |
8d7b48e0 IK |
298 | struct dentry *autofs4_expire_indirect(struct super_block *sb, |
299 | struct vfsmount *mnt, | |
300 | struct autofs_sb_info *sbi, | |
301 | int how) | |
1da177e4 LT |
302 | { |
303 | unsigned long timeout; | |
304 | struct dentry *root = sb->s_root; | |
305 | struct dentry *expired = NULL; | |
306 | struct list_head *next; | |
307 | int do_now = how & AUTOFS_EXP_IMMEDIATE; | |
308 | int exp_leaves = how & AUTOFS_EXP_LEAVES; | |
97e7449a IK |
309 | struct autofs_info *ino; |
310 | unsigned int ino_count; | |
1da177e4 | 311 | |
c0ba7e51 | 312 | if (!root) |
1da177e4 LT |
313 | return NULL; |
314 | ||
315 | now = jiffies; | |
316 | timeout = sbi->exp_timeout; | |
317 | ||
318 | spin_lock(&dcache_lock); | |
319 | next = root->d_subdirs.next; | |
320 | ||
321 | /* On exit from the loop expire is set to a dgot dentry | |
322 | * to expire or it's NULL */ | |
323 | while ( next != &root->d_subdirs ) { | |
5160ee6f | 324 | struct dentry *dentry = list_entry(next, struct dentry, d_u.d_child); |
1da177e4 LT |
325 | |
326 | /* Negative dentry - give up */ | |
1f5f2c30 | 327 | if (!simple_positive(dentry)) { |
1da177e4 LT |
328 | next = next->next; |
329 | continue; | |
330 | } | |
331 | ||
332 | dentry = dget(dentry); | |
333 | spin_unlock(&dcache_lock); | |
334 | ||
97e7449a IK |
335 | spin_lock(&sbi->fs_lock); |
336 | ino = autofs4_dentry_ino(dentry); | |
337 | ||
3a15e2ab IK |
338 | /* |
339 | * Case 1: (i) indirect mount or top level pseudo direct mount | |
340 | * (autofs-4.1). | |
341 | * (ii) indirect mount with offset mount, check the "/" | |
342 | * offset (autofs-5.0+). | |
343 | */ | |
1da177e4 LT |
344 | if (d_mountpoint(dentry)) { |
345 | DPRINTK("checking mountpoint %p %.*s", | |
346 | dentry, (int)dentry->d_name.len, dentry->d_name.name); | |
347 | ||
97e7449a IK |
348 | /* Path walk currently on this dentry? */ |
349 | ino_count = atomic_read(&ino->count) + 2; | |
350 | if (atomic_read(&dentry->d_count) > ino_count) | |
351 | goto next; | |
352 | ||
e0a7aae9 IK |
353 | /* Can we umount this guy */ |
354 | if (autofs4_mount_busy(mnt, dentry)) | |
1da177e4 LT |
355 | goto next; |
356 | ||
e0a7aae9 IK |
357 | /* Can we expire this guy */ |
358 | if (autofs4_can_expire(dentry, timeout, do_now)) { | |
1da177e4 | 359 | expired = dentry; |
afec570c | 360 | goto found; |
1da177e4 LT |
361 | } |
362 | goto next; | |
363 | } | |
364 | ||
1f5f2c30 | 365 | if (simple_empty(dentry)) |
1da177e4 LT |
366 | goto next; |
367 | ||
368 | /* Case 2: tree mount, expire iff entire tree is not busy */ | |
369 | if (!exp_leaves) { | |
97e7449a IK |
370 | /* Path walk currently on this dentry? */ |
371 | ino_count = atomic_read(&ino->count) + 1; | |
372 | if (atomic_read(&dentry->d_count) > ino_count) | |
373 | goto next; | |
3a9720ce | 374 | |
97e7449a | 375 | if (!autofs4_tree_busy(mnt, dentry, timeout, do_now)) { |
3a9720ce | 376 | expired = dentry; |
afec570c | 377 | goto found; |
1da177e4 | 378 | } |
3a15e2ab IK |
379 | /* |
380 | * Case 3: pseudo direct mount, expire individual leaves | |
381 | * (autofs-4.1). | |
382 | */ | |
1da177e4 | 383 | } else { |
97e7449a IK |
384 | /* Path walk currently on this dentry? */ |
385 | ino_count = atomic_read(&ino->count) + 1; | |
386 | if (atomic_read(&dentry->d_count) > ino_count) | |
387 | goto next; | |
388 | ||
1da177e4 LT |
389 | expired = autofs4_check_leaves(mnt, dentry, timeout, do_now); |
390 | if (expired) { | |
391 | dput(dentry); | |
afec570c | 392 | goto found; |
1da177e4 LT |
393 | } |
394 | } | |
395 | next: | |
97e7449a | 396 | spin_unlock(&sbi->fs_lock); |
1da177e4 LT |
397 | dput(dentry); |
398 | spin_lock(&dcache_lock); | |
399 | next = next->next; | |
400 | } | |
1da177e4 | 401 | spin_unlock(&dcache_lock); |
1da177e4 | 402 | return NULL; |
afec570c IK |
403 | |
404 | found: | |
405 | DPRINTK("returning %p %.*s", | |
406 | expired, (int)expired->d_name.len, expired->d_name.name); | |
97e7449a IK |
407 | ino = autofs4_dentry_ino(expired); |
408 | ino->flags |= AUTOFS_INF_EXPIRING; | |
6e60a9ab | 409 | init_completion(&ino->expire_complete); |
97e7449a | 410 | spin_unlock(&sbi->fs_lock); |
afec570c IK |
411 | spin_lock(&dcache_lock); |
412 | list_move(&expired->d_parent->d_subdirs, &expired->d_u.d_child); | |
413 | spin_unlock(&dcache_lock); | |
414 | return expired; | |
1da177e4 LT |
415 | } |
416 | ||
06a35985 IK |
417 | int autofs4_expire_wait(struct dentry *dentry) |
418 | { | |
419 | struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb); | |
420 | struct autofs_info *ino = autofs4_dentry_ino(dentry); | |
421 | int status; | |
422 | ||
423 | /* Block on any pending expire */ | |
424 | spin_lock(&sbi->fs_lock); | |
425 | if (ino->flags & AUTOFS_INF_EXPIRING) { | |
426 | spin_unlock(&sbi->fs_lock); | |
427 | ||
428 | DPRINTK("waiting for expire %p name=%.*s", | |
429 | dentry, dentry->d_name.len, dentry->d_name.name); | |
430 | ||
431 | status = autofs4_wait(sbi, dentry, NFY_NONE); | |
432 | wait_for_completion(&ino->expire_complete); | |
433 | ||
434 | DPRINTK("expire done status=%d", status); | |
435 | ||
436 | if (d_unhashed(dentry)) | |
437 | return -EAGAIN; | |
438 | ||
439 | return status; | |
440 | } | |
441 | spin_unlock(&sbi->fs_lock); | |
442 | ||
443 | return 0; | |
444 | } | |
445 | ||
1da177e4 LT |
446 | /* Perform an expiry operation */ |
447 | int autofs4_expire_run(struct super_block *sb, | |
448 | struct vfsmount *mnt, | |
449 | struct autofs_sb_info *sbi, | |
450 | struct autofs_packet_expire __user *pkt_p) | |
451 | { | |
452 | struct autofs_packet_expire pkt; | |
97e7449a | 453 | struct autofs_info *ino; |
1da177e4 | 454 | struct dentry *dentry; |
97e7449a | 455 | int ret = 0; |
1da177e4 LT |
456 | |
457 | memset(&pkt,0,sizeof pkt); | |
458 | ||
459 | pkt.hdr.proto_version = sbi->version; | |
460 | pkt.hdr.type = autofs_ptype_expire; | |
461 | ||
3a15e2ab | 462 | if ((dentry = autofs4_expire_indirect(sb, mnt, sbi, 0)) == NULL) |
1da177e4 LT |
463 | return -EAGAIN; |
464 | ||
465 | pkt.len = dentry->d_name.len; | |
466 | memcpy(pkt.name, dentry->d_name.name, pkt.len); | |
467 | pkt.name[pkt.len] = '\0'; | |
468 | dput(dentry); | |
469 | ||
470 | if ( copy_to_user(pkt_p, &pkt, sizeof(struct autofs_packet_expire)) ) | |
97e7449a | 471 | ret = -EFAULT; |
1da177e4 | 472 | |
97e7449a IK |
473 | spin_lock(&sbi->fs_lock); |
474 | ino = autofs4_dentry_ino(dentry); | |
475 | ino->flags &= ~AUTOFS_INF_EXPIRING; | |
6e60a9ab | 476 | complete_all(&ino->expire_complete); |
97e7449a IK |
477 | spin_unlock(&sbi->fs_lock); |
478 | ||
479 | return ret; | |
1da177e4 LT |
480 | } |
481 | ||
56fcef75 IK |
482 | int autofs4_do_expire_multi(struct super_block *sb, struct vfsmount *mnt, |
483 | struct autofs_sb_info *sbi, int when) | |
1da177e4 LT |
484 | { |
485 | struct dentry *dentry; | |
486 | int ret = -EAGAIN; | |
1da177e4 | 487 | |
a92daf6b | 488 | if (autofs_type_trigger(sbi->type)) |
56fcef75 | 489 | dentry = autofs4_expire_direct(sb, mnt, sbi, when); |
3a15e2ab | 490 | else |
56fcef75 | 491 | dentry = autofs4_expire_indirect(sb, mnt, sbi, when); |
3a15e2ab IK |
492 | |
493 | if (dentry) { | |
1f5f2c30 | 494 | struct autofs_info *ino = autofs4_dentry_ino(dentry); |
1da177e4 LT |
495 | |
496 | /* This is synchronous because it makes the daemon a | |
497 | little easier */ | |
1da177e4 | 498 | ret = autofs4_wait(sbi, dentry, NFY_EXPIRE); |
6e60a9ab | 499 | |
97e7449a | 500 | spin_lock(&sbi->fs_lock); |
6e60a9ab IK |
501 | if (ino->flags & AUTOFS_INF_MOUNTPOINT) { |
502 | sb->s_root->d_mounted++; | |
503 | ino->flags &= ~AUTOFS_INF_MOUNTPOINT; | |
504 | } | |
1f5f2c30 | 505 | ino->flags &= ~AUTOFS_INF_EXPIRING; |
6e60a9ab | 506 | complete_all(&ino->expire_complete); |
97e7449a | 507 | spin_unlock(&sbi->fs_lock); |
1da177e4 LT |
508 | dput(dentry); |
509 | } | |
1f5f2c30 | 510 | |
1da177e4 LT |
511 | return ret; |
512 | } | |
513 | ||
56fcef75 IK |
514 | /* Call repeatedly until it returns -EAGAIN, meaning there's nothing |
515 | more to be done */ | |
516 | int autofs4_expire_multi(struct super_block *sb, struct vfsmount *mnt, | |
517 | struct autofs_sb_info *sbi, int __user *arg) | |
518 | { | |
519 | int do_now = 0; | |
520 | ||
521 | if (arg && get_user(do_now, arg)) | |
522 | return -EFAULT; | |
523 | ||
524 | return autofs4_do_expire_multi(sb, mnt, sbi, do_now); | |
525 | } | |
526 |