Re: [PATCH v2 2/3] md: factor out a helper mddev_sync_blockdev() to sync mddev

[Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>]

On Wed, 17 Jan 2024 17:37:06 +0800
linan666@huaweicloud.com wrote:

> From: Li Nan <linan122@huawei.com>
> 
> There are no functional changes, prepare to sync mddev in
> array_state_store().
> 
> Signed-off-by: Li Nan <linan122@huawei.com>
> ---
>  drivers/md/md.c | 31 +++++++++++++++++++------------
>  1 file changed, 19 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/md/md.c b/drivers/md/md.c
> index 4bf821b89415..2c793992a604 100644
> --- a/drivers/md/md.c
> +++ b/drivers/md/md.c
> @@ -529,6 +529,23 @@ void mddev_resume(struct mddev *mddev)
>  }
>  EXPORT_SYMBOL_GPL(mddev_resume);
>  
> +/* sync bdev before setting device to readonly or stopping raid*/
> +static int mddev_sync_blockdev(struct mddev *mddev) {

Please add something about MD_CLOSING to the function name. Comment is good but
you need open function to get it. Something like:
mddev_set_closing_and_sync_blockdev() is more reader friendly.

Anyway, LGTM.
Acked-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>

Thanks,
Mariusz