From: Liu Bo <bo.li.liu@oracle.com>
Date: Tue, 8 Oct 2013 10:19:14 +0000 (+0800)
Subject: Btrfs: cleanup dead code of defragment
X-Git-Tag: v3.13-rc3~10^2~76
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8319bfe13642ea2d411c885400377d5fc6f32271;p=platform%2Fkernel%2Flinux-exynos.git

Btrfs: cleanup dead code of defragment

@is_extent is no more needed since we don't defrag extent root.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
---

diff --git a/fs/btrfs/tree-defrag.c b/fs/btrfs/tree-defrag.c
index cbaa73c..76928ca 100644
--- a/fs/btrfs/tree-defrag.c
+++ b/fs/btrfs/tree-defrag.c
@@ -37,7 +37,6 @@ int btrfs_defrag_leaves(struct btrfs_trans_handle *trans,
 	int ret = 0;
 	int wret;
 	int level;
-	int is_extent = 0;
 	int next_key_ret = 0;
 	u64 last_ret = 0;
 	u64 min_trans = 0;
@@ -50,7 +49,7 @@ int btrfs_defrag_leaves(struct btrfs_trans_handle *trans,
 		goto out;
 	}
 
-	if (root->ref_cows == 0 && !is_extent)
+	if (root->ref_cows == 0)
 		goto out;
 
 	if (btrfs_test_opt(root, SSD))