Re: [PATCH v4 2/3] btrfs: rename delete_unused_bgs_mutex

[David Sterba]

On Thu, Apr 15, 2021 at 10:58:34PM +0900, Johannes Thumshirn wrote:
> --- a/fs/btrfs/ctree.h
> +++ b/fs/btrfs/ctree.h
> @@ -957,7 +957,7 @@ struct btrfs_fs_info {
>       spinlock_t unused_bgs_lock;
>       struct list_head unused_bgs;
>       struct mutex unused_bg_unpin_mutex;
> -     struct mutex delete_unused_bgs_mutex;
> +     struct mutex reclaim_bgs_lock;

Please write a comment what the mutex protects.