Btrfs: cleanup for btrfs_extend_item
PATCH 1/1 Btrfs: cleanup for btrfs_extend_item
Two cleanups:
* The data_size is the new added size, not the new size after extend. Make the description more clear.
* The var data_end is not used anymore after the data shift. Remove the useless assignment.
Signed-off-by Wang Sheng-Hui <[email protected]>
--- fs/btrfs/ctree.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
fs/btrfs/ctree.c +2 -2
@@ -4376,7 +4376,8 @@ void btrfs_truncate_item(struct btrfs_trans_handle *trans, }/* -* make the item pointed to by the path bigger, data_size is the new size. +* make the item pointed to by the path bigger. +* data_size is the to be extended size. */ void btrfs_extend_item(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_path *path,
@@ -4432,7 +4433,6 @@ void btrfs_extend_item(struct btrfs_trans_handle *trans, data_end - data_size,btrfs_leaf_data (leaf) + data_end, old_data - data_end); - data_end = old_data; old_size =btrfs_item_size_nr (leaf, slot); item =btrfs_item_nr (leaf, slot);btrfs_set_item_size (leaf, item, old_size + data_size);
Signature · 1 line
1.7.10.4