[PATCH 2/2] btrfs: Remove root argument in extent_data_ref_count()

[Zhao Lei]

Because it is never used.

Signed-off-by: Zhao Lei <zhao...@cn.fujitsu.com>
---
 fs/btrfs/extent-tree.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 792247f..5f7cbd7 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;
@@ -6318,7 +6317,7 @@ 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 {
-- 
1.8.5.1

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