On 2020/3/2 下午6:46, Nikolay Borisov wrote:
> Signed-off-by: Nikolay Borisov <nborisov@xxxxxxxx>
Reviewed-by: Qu Wenruo <wqu@xxxxxxxx>
Thanks,
Qu
> ---
>
> Dave, please fold this into c1ac11142016 ("btrfs: factor out decide_stripe_size()")
>
> fs/btrfs/volumes.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
> index 267847c72c22..111c1270f800 100644
> --- a/fs/btrfs/volumes.c
> +++ b/fs/btrfs/volumes.c
> @@ -4994,11 +4994,7 @@ static int decide_stripe_size(struct btrfs_fs_devices *fs_devices,
> {
> struct btrfs_fs_info *info = fs_devices->fs_info;
>
> - /*
> - * Round down to number of usable stripes, devs_increment can be any
> - * number so we can't use round_down()
> - */
> - ctl->ndevs -= ctl->ndevs % ctl->devs_increment;
> + ctl->ndevs = rounddown(ctl->ndevs, ctl->devs_increment);
>
> if (ctl->ndevs < ctl->devs_min) {
> if (btrfs_test_opt(info, ENOSPC_DEBUG)) {
> --
> 2.17.1
>
