Btrfs: add compat ioctl

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 3da057f78bc8..048282f06afb 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -577,6 +577,7 @@ struct btrfs_root *open_ctree(struct super_block *sb)
         fs_info->do_barriers = 1;
         fs_info->extent_tree_insert_nr = 0;
         fs_info->extent_tree_prealloc_nr = 0;
+        INIT_DELAYED_WORK(&fs_info->trans_work, btrfs_transaction_cleaner);
         BTRFS_I(fs_info->btree_inode)->root = tree_root;
         memset(&BTRFS_I(fs_info->btree_inode)->location, 0,
                sizeof(struct btrfs_key));
@@ -648,7 +649,6 @@ struct btrfs_root *open_ctree(struct super_block *sb)
         btrfs_read_block_groups(extent_root);
 
         fs_info->generation = btrfs_super_generation(disk_super) + 1;
-        memset(&fs_info->kobj, 0, sizeof(fs_info->kobj));
         mutex_unlock(&fs_info->fs_mutex);
         return tree_root;
 }
@@ -746,6 +746,7 @@ int close_ctree(struct btrfs_root *root)
         struct btrfs_trans_handle *trans;
         struct btrfs_fs_info *fs_info = root->fs_info;
 
+        btrfs_transaction_flush_work(root);
         mutex_lock(&fs_info->fs_mutex);
         trans = btrfs_start_transaction(root, 1);
         btrfs_commit_transaction(trans, root);
@@ -776,7 +777,6 @@ int close_ctree(struct btrfs_root *root)
         del_fs_roots(fs_info);
         kfree(fs_info->extent_root);
         kfree(fs_info->tree_root);
-        kobject_unregister(&fs_info->kobj);
         return 0;
 }