diff options
Diffstat (limited to 'fs/autofs4/root.c')
-rw-r--r-- | fs/autofs4/root.c | 41 |
1 files changed, 21 insertions, 20 deletions
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c index 74b1469a9504..e383bf0334f1 100644 --- a/fs/autofs4/root.c +++ b/fs/autofs4/root.c | |||
@@ -485,22 +485,6 @@ static struct dentry *autofs4_lookup(struct inode *dir, struct dentry *dentry, s | |||
485 | DPRINTK("pid = %u, pgrp = %u, catatonic = %d, oz_mode = %d", | 485 | DPRINTK("pid = %u, pgrp = %u, catatonic = %d, oz_mode = %d", |
486 | current->pid, task_pgrp_nr(current), sbi->catatonic, oz_mode); | 486 | current->pid, task_pgrp_nr(current), sbi->catatonic, oz_mode); |
487 | 487 | ||
488 | expiring = autofs4_lookup_expiring(sbi, dentry->d_parent, &dentry->d_name); | ||
489 | if (expiring) { | ||
490 | /* | ||
491 | * If we are racing with expire the request might not | ||
492 | * be quite complete but the directory has been removed | ||
493 | * so it must have been successful, so just wait for it. | ||
494 | */ | ||
495 | ino = autofs4_dentry_ino(expiring); | ||
496 | autofs4_expire_wait(expiring); | ||
497 | spin_lock(&sbi->lookup_lock); | ||
498 | if (!list_empty(&ino->expiring)) | ||
499 | list_del_init(&ino->expiring); | ||
500 | spin_unlock(&sbi->lookup_lock); | ||
501 | dput(expiring); | ||
502 | } | ||
503 | |||
504 | unhashed = autofs4_lookup_active(sbi, dentry->d_parent, &dentry->d_name); | 488 | unhashed = autofs4_lookup_active(sbi, dentry->d_parent, &dentry->d_name); |
505 | if (unhashed) | 489 | if (unhashed) |
506 | dentry = unhashed; | 490 | dentry = unhashed; |
@@ -538,14 +522,31 @@ static struct dentry *autofs4_lookup(struct inode *dir, struct dentry *dentry, s | |||
538 | } | 522 | } |
539 | 523 | ||
540 | if (!oz_mode) { | 524 | if (!oz_mode) { |
525 | mutex_unlock(&dir->i_mutex); | ||
526 | expiring = autofs4_lookup_expiring(sbi, | ||
527 | dentry->d_parent, | ||
528 | &dentry->d_name); | ||
529 | if (expiring) { | ||
530 | /* | ||
531 | * If we are racing with expire the request might not | ||
532 | * be quite complete but the directory has been removed | ||
533 | * so it must have been successful, so just wait for it. | ||
534 | */ | ||
535 | ino = autofs4_dentry_ino(expiring); | ||
536 | autofs4_expire_wait(expiring); | ||
537 | spin_lock(&sbi->lookup_lock); | ||
538 | if (!list_empty(&ino->expiring)) | ||
539 | list_del_init(&ino->expiring); | ||
540 | spin_unlock(&sbi->lookup_lock); | ||
541 | dput(expiring); | ||
542 | } | ||
543 | |||
541 | spin_lock(&dentry->d_lock); | 544 | spin_lock(&dentry->d_lock); |
542 | dentry->d_flags |= DCACHE_AUTOFS_PENDING; | 545 | dentry->d_flags |= DCACHE_AUTOFS_PENDING; |
543 | spin_unlock(&dentry->d_lock); | 546 | spin_unlock(&dentry->d_lock); |
544 | if (dentry->d_op && dentry->d_op->d_revalidate) { | 547 | if (dentry->d_op && dentry->d_op->d_revalidate) |
545 | mutex_unlock(&dir->i_mutex); | ||
546 | (dentry->d_op->d_revalidate)(dentry, nd); | 548 | (dentry->d_op->d_revalidate)(dentry, nd); |
547 | mutex_lock(&dir->i_mutex); | 549 | mutex_lock(&dir->i_mutex); |
548 | } | ||
549 | } | 550 | } |
550 | 551 | ||
551 | /* | 552 | /* |