heinzm@xxxxxxxxxx writes:
> From: Heinz Mauelshagen <heinzm@xxxxxxxxxx>
>
> In case md runs underneath the dm-raid target, the mddev does not have
> a request queue or gendisk, thus avoid accesses.
>
> This patch adds a missing conditional to the raid5 personality.
>
>
> Signed-of-by: Heinz Mauelshagen <heinzm@xxxxxxxxxx>
>
>
> ---
> drivers/md/raid5.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
> index 8ab8b65..ce79ce6 100644
> --- a/drivers/md/raid5.c
> +++ b/drivers/md/raid5.c
> @@ -7574,8 +7574,10 @@ static void raid5_finish_reshape(struct mddev *mddev)
>
> if (mddev->delta_disks > 0) {
> md_set_array_sectors(mddev, raid5_size(mddev, 0, 0));
> - set_capacity(mddev->gendisk, mddev->array_sectors);
> - revalidate_disk(mddev->gendisk);
> + if (mddev->queue) {
> + set_capacity(mddev->gendisk, mddev->array_sectors);
> + revalidate_disk(mddev->gendisk);
> + }
Since we're in the code taste mode, this is a reminder that kernel code
is 80 characters per line :)
Jes
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