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[PATCH] autofs: fix "busy inodes after umount..."

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This patch for old autofs (version 3) cleans dentries which are not putted
after killing the automount daemon (it's analogue of recent patch for
autofs4).

Signed-off-by: Alexander Krizhanovsky <klx@yandex.ru>
Cc: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Alexander Krizhanovsky 2005-09-09 13:01:59 -07:00 committed by Linus Torvalds
parent 28254d439b
commit f76baf9365
3 changed files with 7 additions and 4 deletions
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3
fs/autofs/autofs_i.h
View file

@ -105,6 +105,7 @@ struct autofs_sb_info {
struct file *pipe;
pid_t oz_pgrp;
int catatonic;
struct super_block *sb;
unsigned long exp_timeout;
ino_t next_dir_ino;
struct autofs_wait_queue *queues; /* Wait queue pointer */
@ -134,7 +135,7 @@ void autofs_hash_insert(struct autofs_dirhash *,struct autofs_dir_ent *);
void autofs_hash_delete(struct autofs_dir_ent *);
struct autofs_dir_ent *autofs_hash_enum(const struct autofs_dirhash *,off_t *,struct autofs_dir_ent *);
void autofs_hash_dputall(struct autofs_dirhash *);
void autofs_hash_nuke(struct autofs_dirhash *);
void autofs_hash_nuke(struct autofs_sb_info *);
/* Expiration-handling functions */

5
fs/autofs/dirhash.c
View file

@ -232,13 +232,13 @@ void autofs_hash_dputall(struct autofs_dirhash *dh)
/* Delete everything. This is used on filesystem destruction, so we
make no attempt to keep the pointers valid */
void autofs_hash_nuke(struct autofs_dirhash *dh)
void autofs_hash_nuke(struct autofs_sb_info *sbi)
{
int i;
struct autofs_dir_ent *ent, *nent;
for ( i = 0 ; i < AUTOFS_HASH_SIZE ; i++ ) {
for ( ent = dh->h[i] ; ent ; ent = nent ) {
for ( ent = sbi->dirhash.h[i] ; ent ; ent = nent ) {
nent = ent->next;
if ( ent->dentry )
dput(ent->dentry);
@ -246,4 +246,5 @@ void autofs_hash_nuke(struct autofs_dirhash *dh)
kfree(ent);
}
}
shrink_dcache_sb(sbi->sb);
}

3
fs/autofs/inode.c
View file

@ -27,7 +27,7 @@ static void autofs_put_super(struct super_block *sb)
if ( !sbi->catatonic )
autofs_catatonic_mode(sbi); /* Free wait queues, close pipe */
autofs_hash_nuke(&sbi->dirhash);
autofs_hash_nuke(sbi);
for ( n = 0 ; n < AUTOFS_MAX_SYMLINKS ; n++ ) {
if ( test_bit(n, sbi->symlink_bitmap) )
kfree(sbi->symlink[n].data);
@ -148,6 +148,7 @@ int autofs_fill_super(struct super_block *s, void *data, int silent)
s->s_magic = AUTOFS_SUPER_MAGIC;
s->s_op = &autofs_sops;
s->s_time_gran = 1;
sbi->sb = s;
root_inode = iget(s, AUTOFS_ROOT_INO);
root = d_alloc_root(root_inode);