On Tue, May 07, 2019 at 05:24:28PM +0300, Nikolay Borisov wrote:
> Signed-off-by: Nikolay Borisov <nborisov@xxxxxxxx>
> ---
> fs/btrfs/volumes.h | 11 ++++++++---
> 1 file changed, 8 insertions(+), 3 deletions(-)
>
> diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
> index 3b97e8092ba7..514799362244 100644
> --- a/fs/btrfs/volumes.h
> +++ b/fs/btrfs/volumes.h
> @@ -52,8 +52,8 @@ struct btrfs_io_geometry {
> #define BTRFS_DEV_STATE_FLUSH_SENT (4)
>
> struct btrfs_device {
> - struct list_head dev_list;
> - struct list_head dev_alloc_list;
> + struct list_head dev_list; /* device_list_mutex */
> + struct list_head dev_alloc_list; /* chunk mutex */
> struct list_head post_commit_list; /* chunk mutex */
Please update the documentation in the comment 'Device locking' in
volumes.c
