btrfs: make btrfs_destroy_delayed_refs use btrfs_delayed_ref_lock

We have this open coded in btrfs_destroy_delayed_refs, use the helper
instead.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2018-11-21 14:05:39 -05:00 • committed by David Sterba
commit 3069bd2669