spin_lock_init(&s->s_inode_lru_lock);
INIT_LIST_HEAD(&s->s_mounts);
init_rwsem(&s->s_umount);
- mutex_init(&s->s_lock);
lockdep_set_class(&s->s_umount, &type->s_umount_key);
- /*
- * The locking rules for s_lock are up to the
- * filesystem. For example ext3fs has different
- * lock ordering than usbfs:
- */
- lockdep_set_class(&s->s_lock, &type->s_lock_key);
/*
* sget() can have s_umount recursion.
*
/* caches are now gone, we can safely kill the shrinker now */
unregister_shrinker(&s->s_shrink);
-
- /*
- * We need to call rcu_barrier so all the delayed rcu free
- * inodes are flushed before we release the fs module.
- */
- rcu_barrier();
put_filesystem(fs);
put_super(s);
} else {
return false;
}
-/*
- * Superblock locking. We really ought to get rid of these two.
- */
-void lock_super(struct super_block * sb)
-{
- mutex_lock(&sb->s_lock);
-}
-
-void unlock_super(struct super_block * sb)
-{
- mutex_unlock(&sb->s_lock);
-}
-
-EXPORT_SYMBOL(lock_super);
-EXPORT_SYMBOL(unlock_super);
-
/**
* generic_shutdown_super - common helper for ->kill_sb()
* @sb: superblock to kill
else if (error)
return -EAGAIN;
- if ((dev & MAX_ID_MASK) == (1 << MINORBITS)) {
+ if ((dev & MAX_IDR_MASK) == (1 << MINORBITS)) {
spin_lock(&unnamed_dev_lock);
ida_remove(&unnamed_dev_ida, dev);
if (unnamed_dev_start > dev)