Re: [PATCH v2 10/11] md/raid0: align bio to io_opt

在 2026/1/3 23:45, Yu Kuai 写道:
> The impact is not so significant for raid0 compared to raid5, however
> it's still more appropriate to issue IOs evenly to underlying disks.
> 
> Signed-off-by: Yu Kuai <[email protected]>
> ---
>   drivers/md/raid0.c | 5 +++--
>   1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
> index f3814a69cd13..0ae44e3bfff2 100644
> --- a/drivers/md/raid0.c
> +++ b/drivers/md/raid0.c
> @@ -29,8 +29,7 @@ module_param(default_layout, int, 0644);
>   	 (1L << MD_HAS_PPL) |		\
>   	 (1L << MD_HAS_MULTIPLE_PPLS) |	\
>   	 (1L << MD_FAILLAST_DEV) |	\
> -	 (1L << MD_SERIALIZE_POLICY) |	\
> -	 (1L << MD_BIO_ALIGN))
> +	 (1L << MD_SERIALIZE_POLICY))
>   
>   /*
>    * inform the user of the raid configuration
> @@ -398,6 +397,8 @@ static int raid0_set_limits(struct mddev *mddev)
>   	err = mddev_stack_rdev_limits(mddev, &lim, MDDEV_STACK_INTEGRITY);
>   	if (err)
>   		return err;
> +
> +	md_config_align_limits(mddev, &lim);
>   	return queue_limits_set(mddev->gendisk->queue, &lim);
>   }
>   

LGTM

Reviewed-by: Li Nan <[email protected]>

-- 
Thanks,
Nan