btrfs: extent-tree: cleanup one-shot usage of @blocksize in do_walk_down

@blocksize variable in do_walk_down() is only used once, really no need
to declare it.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 3abb03b..306e33d 100644 (file)
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -8874,7 +8874,6 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans,
        u64 bytenr;
        u64 generation;
        u64 parent;
-       u32 blocksize;
        struct btrfs_key key;
        struct btrfs_key first_key;
        struct extent_buffer *next;
@@ -8899,7 +8898,6 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans,
        bytenr = btrfs_node_blockptr(path->nodes[level], path->slots[level]);
        btrfs_node_key_to_cpu(path->nodes[level], &first_key,
                              path->slots[level]);
-       blocksize = fs_info->nodesize;
 
        next = find_extent_buffer(fs_info, bytenr);
        if (!next) {
@@ -9023,7 +9021,7 @@ skip:
                                             ret);
                        }
                }
-               ret = btrfs_free_extent(trans, root, bytenr, blocksize,
+               ret = btrfs_free_extent(trans, root, bytenr, fs_info->nodesize,
                                        parent, root->root_key.objectid,
                                        level - 1, 0);
                if (ret)