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Bury __put_super_and_need_restart()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2010-03-22 21:13:53 -04:00
parent 79893c17b4
commit 35cf7ba0b4
5 changed files with 6 additions and 31 deletions
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30
fs/super.c
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@@ -127,40 +127,14 @@ static inline void destroy_super(struct super_block *s)
/* Superblock refcounting */
/*
* Drop a superblock's refcount. Returns non-zero if the superblock was
* destroyed. The caller must hold sb_lock.
* Drop a superblock's refcount. The caller must hold sb_lock.
*/
int __put_super(struct super_block *sb)
void __put_super(struct super_block *sb)
{
int ret = 0;
if (!--sb->s_count) {
list_del_init(&sb->s_list);
destroy_super(sb);
ret = 1;
}
return ret;
}
/*
* Drop a superblock's refcount.
* Returns non-zero if the superblock is about to be destroyed and
* at least is already removed from super_blocks list, so if we are
* making a loop through super blocks then we need to restart.
* The caller must hold sb_lock.
*/
int __put_super_and_need_restart(struct super_block *sb)
{
/* check for race with generic_shutdown_super() */
if (list_empty(&sb->s_instances)) {
/* super block is removed, need to restart... */
__put_super(sb);
return 1;
}
/* can't be the last, since s_list is still in use */
sb->s_count--;
BUG_ON(sb->s_count == 0);
return 0;
}
/**