btrfs: open code btrfs_backref_iter_free()

The helper is trivial and used only once, open code it. It's safe to
remove the 'if', the pointer is validated in build_backref_tree().

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/backref.h b/fs/btrfs/backref.h
index 523e594ac7535609d301c492496967b521d9c66a..493ea47db426940f53e22292f5e1c8a674fe842e 100644 (file)
--- a/fs/btrfs/backref.h
+++ b/fs/btrfs/backref.h
@@ -283,14 +283,6 @@ struct btrfs_backref_iter {
 
 struct btrfs_backref_iter *btrfs_backref_iter_alloc(struct btrfs_fs_info *fs_info);
 
-static inline void btrfs_backref_iter_free(struct btrfs_backref_iter *iter)
-{
-       if (!iter)
-               return;
-       btrfs_free_path(iter->path);
-       kfree(iter);
-}
-
 static inline struct extent_buffer *btrfs_backref_get_eb(
                struct btrfs_backref_iter *iter)
 {

diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 2fca67f2b39b9ceeb10e955d69fa426fd0adc9a4..f96f267fb4aade16d0585a7bf0d99aaff717a547 100644 (file)
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -523,7 +523,8 @@ static noinline_for_stack struct btrfs_backref_node *build_backref_tree(
        if (handle_useless_nodes(rc, node))
                node = NULL;
 out:
-       btrfs_backref_iter_free(iter);
+       btrfs_free_path(iter->path);
+       kfree(iter);
        btrfs_free_path(path);
        if (err) {
                btrfs_backref_error_cleanup(cache, node);