Commit 17130a65 authored by Nikolay Borisov's avatar Nikolay Borisov Committed by David Sterba
Browse files

btrfs: remove spurious unlock/lock of unused_bgs_lock 



Since both unused block groups and reclaim bgs lists are protected by
unused_bgs_lock then free them in the same critical section without
doing an extra unlock/lock pair.

Reviewed-by: default avatarJosef Bacik <josef@toxicpanda.com>
Signed-off-by: default avatarNikolay Borisov <nborisov@suse.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 232796df

fs/btrfs/block-group.c

+0 −2
Original line number Diff line number Diff line
@@ -3911,9 +3911,7 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info) 
		list_del_init(&block_group->bg_list);

		btrfs_put_block_group(block_group);

	}

	spin_unlock(&info->unused_bgs_lock);



	spin_lock(&info->unused_bgs_lock);

	while (!list_empty(&info->reclaim_bgs)) {

		block_group = list_first_entry(&info->reclaim_bgs,

					       struct btrfs_block_group,