btrfs: remove unused parameter fs_info from btrfs_add_delayed_extent_op

Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c
index 5c1f246..a73fc23 100644
--- a/fs/btrfs/delayed-ref.c
+++ b/fs/btrfs/delayed-ref.c
@@ -924,8 +924,7 @@ int btrfs_add_delayed_data_ref(struct btrfs_trans_handle *trans,
 	return 0;
 }
 
-int btrfs_add_delayed_extent_op(struct btrfs_fs_info *fs_info,
-				struct btrfs_trans_handle *trans,
+int btrfs_add_delayed_extent_op(struct btrfs_trans_handle *trans,
 				u64 bytenr, u64 num_bytes,
 				struct btrfs_delayed_extent_op *extent_op)
 {