From: Nikolay Borisov Date: Thu, 14 Oct 2021 07:03:11 +0000 (+0300) Subject: btrfs: remove spurious unlock/lock of unused_bgs_lock X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=17130a65f0cd71f9c26bec8f0f097fc61013b6f8;p=linux.git 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: Josef Bacik Signed-off-by: Nikolay Borisov Reviewed-by: David Sterba Signed-off-by: David Sterba --- diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c index 444e9c89ff3e9..6ab864655090d 100644 --- a/fs/btrfs/block-group.c +++ b/fs/btrfs/block-group.c @@ -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,