static struct list_head *mount_hashtable __read_mostly;
static struct list_head *mountpoint_hashtable __read_mostly;
static struct kmem_cache *mnt_cache __read_mostly;
-static struct rw_semaphore namespace_sem;
+static DECLARE_RWSEM(namespace_sem);
/* /sys/fs */
struct kobject *fs_kobj;
unsigned u;
int err;
- init_rwsem(&namespace_sem);
-
mnt_cache = kmem_cache_create("mnt_cache", sizeof(struct mount),
0, SLAB_HWCACHE_ALIGN | SLAB_PANIC, NULL);
{
if (!atomic_dec_and_test(&ns->count))
return;
- namespace_lock();
- br_write_lock(&vfsmount_lock);
- umount_tree(ns->root, 0);
- br_write_unlock(&vfsmount_lock);
- namespace_unlock();
+ drop_collected_mounts(&ns->root->mnt);
free_mnt_ns(ns);
}