btrfs-progs: mark static & remove unused from shared kernel code

In files copied from the kernel, mark many functions as static,
and remove any resulting dead code.

Some functions are left unmarked if they aren't static in the
kernel tree.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/ctree.c b/ctree.c
index 66b146b..a79ed13 100644
--- a/ctree.c
+++ b/ctree.c
@@ -371,7 +371,7 @@ int btrfs_cow_block(struct btrfs_trans_handle *trans,
 /*
  * compare two keys in a memcmp fashion
  */
-int btrfs_comp_keys(struct btrfs_disk_key *disk, struct btrfs_key *k2)
+static int btrfs_comp_keys(struct btrfs_disk_key *disk, struct btrfs_key *k2)
 {
 	struct btrfs_key k1;