Btrf: cleanup: don't check for root_refs == 0 twice

btrfs_read_fs_root_no_name() already checks if btrfs_root_refs()
is zero and returns ENOENT in this case. There is no need to do
it again in three more places.

Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

1 files changed, 0 insertions, 5 deletions

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 5e7ea996f105..5ba87b0d2ef8 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -310,11 +310,6 @@ static int __btrfs_run_defrag_inode(struct btrfs_fs_info *fs_info,
                 goto cleanup;
         }
 
-        if (btrfs_root_refs(&inode_root->root_item) == 0) {
-                ret = -ENOENT;
-                goto cleanup;
-        }
-
         key.objectid = defrag->ino;
         btrfs_set_key_type(&key, BTRFS_INODE_ITEM_KEY);
         key.offset = 0;