diff options
Diffstat (limited to 'fs/super.c')
| -rw-r--r-- | fs/super.c | 31 |
1 files changed, 10 insertions, 21 deletions
diff --git a/fs/super.c b/fs/super.c index 01b7e3fd09e8..8ca15415351a 100644 --- a/fs/super.c +++ b/fs/super.c @@ -154,23 +154,6 @@ static void destroy_super_rcu(struct rcu_head *head) schedule_work(&s->destroy_work); } -/** - * destroy_super - frees a superblock - * @s: superblock to free - * - * Frees a superblock. - */ -static void destroy_super(struct super_block *s) -{ - list_lru_destroy(&s->s_dentry_lru); - list_lru_destroy(&s->s_inode_lru); - security_sb_free(s); - WARN_ON(!list_empty(&s->s_mounts)); - put_user_ns(s->s_user_ns); - kfree(s->s_subtype); - call_rcu(&s->rcu, destroy_super_rcu); -} - /* Free a superblock that has never been seen by anyone */ static void destroy_unused_super(struct super_block *s) { @@ -280,11 +263,17 @@ fail: /* * Drop a superblock's refcount. The caller must hold sb_lock. */ -static void __put_super(struct super_block *sb) +static void __put_super(struct super_block *s) { - if (!--sb->s_count) { - list_del_init(&sb->s_list); - destroy_super(sb); + if (!--s->s_count) { + list_del_init(&s->s_list); + WARN_ON(s->s_dentry_lru.node); + WARN_ON(s->s_inode_lru.node); + WARN_ON(!list_empty(&s->s_mounts)); + security_sb_free(s); + put_user_ns(s->s_user_ns); + kfree(s->s_subtype); + call_rcu(&s->rcu, destroy_super_rcu); } } |