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authorZhaolei <zhaolei@cn.fujitsu.com>2015-08-06 22:16:24 +0800
committerChris Mason <clm@fb.com>2015-08-09 07:07:14 -0700
commit9ed0dea09fc5e8cb1926c15fc986a46a2db43da6 (patch)
treef88e02dfbe95d609f2a258597cb25b16a6292891 /fs/btrfs/extent-tree.c
parentd02207512df120a37a8f1e50a5f90c555266282c (diff)
downloadlinux-9ed0dea09fc5e8cb1926c15fc986a46a2db43da6.tar.gz
btrfs: Remove root argument in extent_data_ref_count()
Because it is never used.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r--fs/btrfs/extent-tree.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index e2ad72b241ad..59d59d98bca1 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -1316,8 +1316,7 @@ static noinline int remove_extent_data_ref(struct btrfs_trans_handle *trans,
 	return ret;
 }
 
-static noinline u32 extent_data_ref_count(struct btrfs_root *root,
-					  struct btrfs_path *path,
+static noinline u32 extent_data_ref_count(struct btrfs_path *path,
 					  struct btrfs_extent_inline_ref *iref)
 {
 	struct btrfs_key key;
@@ -6349,7 +6348,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
 	} else {
 		if (found_extent) {
 			BUG_ON(is_data && refs_to_drop !=
-			       extent_data_ref_count(root, path, iref));
+			       extent_data_ref_count(path, iref));
 			if (iref) {
 				BUG_ON(path->slots[0] != extent_slot);
 			} else {