btrfs: re-arrange statements in setup_items_for_insert

Rearrange statements calculating the offset of the newly added items so
that the calculation has to be done only once. No functional change.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 7dbfa365eb18b1f7a4bc0c007394f82cdcb92a4e..36eee3aef6ffc98687679acdce5c76a1a85b4577 100644 (file)
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -4832,8 +4832,8 @@ void setup_items_for_insert(struct btrfs_root *root, struct btrfs_path *path,
                btrfs_cpu_key_to_disk(&disk_key, cpu_key + i);
                btrfs_set_item_key(leaf, &disk_key, slot + i);
                item = btrfs_item_nr(slot + i);
-               btrfs_set_token_item_offset(&token, item, data_end - data_size[i]);
                data_end -= data_size[i];
+               btrfs_set_token_item_offset(&token, item, data_end);
                btrfs_set_token_item_size(&token, item, data_size[i]);
        }