btrfs: Fix NO_SPACE bug caused by delayed-iput

[linux-2.6-block.git] / fs / btrfs / disk-io.c

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 62cd3b63190d97d68b11f9bc11ddb9577b24337b..2ef9a4b72d06e46d4f3a19c73e94796cb8397347 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2487,11 +2487,12 @@ int open_ctree(struct super_block *sb,
        spin_lock_init(&fs_info->qgroup_op_lock);
        spin_lock_init(&fs_info->buffer_lock);
        spin_lock_init(&fs_info->unused_bgs_lock);
-       mutex_init(&fs_info->unused_bg_unpin_mutex);
        rwlock_init(&fs_info->tree_mod_log_lock);
+       mutex_init(&fs_info->unused_bg_unpin_mutex);
        mutex_init(&fs_info->reloc_mutex);
        mutex_init(&fs_info->delalloc_root_mutex);
        seqlock_init(&fs_info->profiles_lock);
+       init_rwsem(&fs_info->delayed_iput_sem);
 
        init_completion(&fs_info->kobj_unregister);
        INIT_LIST_HEAD(&fs_info->dirty_cowonly_roots);