btrfs: Remove unused op_key var from add_delayed_refs

Added as part of 86d5f99442 ("btrfs: convert prelimary reference
tracking to use rbtrees") but never used. tmp_op_key essentially
subsumed that variable.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2018-03-15 14:36:22 +02:00 committed by David Sterba
parent ba89b80268
commit a6dbceafb9

View File

@ -773,15 +773,12 @@ static int add_delayed_refs(const struct btrfs_fs_info *fs_info,
struct btrfs_delayed_extent_op *extent_op = head->extent_op;
struct btrfs_key key;
struct btrfs_key tmp_op_key;
struct btrfs_key *op_key = NULL;
struct rb_node *n;
int count;
int ret = 0;
if (extent_op && extent_op->update_key) {
if (extent_op && extent_op->update_key)
btrfs_disk_key_to_cpu(&tmp_op_key, &extent_op->key);
op_key = &tmp_op_key;
}
spin_lock(&head->lock);
for (n = rb_first(&head->ref_tree); n; n = rb_next(n)) {