Because it is never used.
Signed-off-by: Zhao Lei <zhaolei@xxxxxxxxxxxxxx>
---
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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