btrfs: remove all unused functions

Remove static and global declarations and/or definitions. Reduces size
of btrfs.ko by ~3.4kB.

  text    data     bss     dec     hex filename
402081    7464     200  409745   64091 btrfs.ko.base
398620    7144     200  405964   631cc btrfs.ko.remove-all

Signed-off-by: David Sterba <dsterba@suse.cz>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index f7b799b151aa..f726e72dd362 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -507,6 +507,7 @@ static int update_backref_cache(struct btrfs_trans_handle *trans,
         return 1;
 }
 
+
 static int should_ignore_root(struct btrfs_root *root)
 {
         struct btrfs_root *reloc_root;
@@ -529,7 +530,6 @@ static int should_ignore_root(struct btrfs_root *root)
          */
         return 1;
 }
-
 /*
  * find reloc tree by address of tree root
  */