On Thu, Apr 06, 2017 at 09:12:18AM +0800, Guoqing Jiang wrote:
> We need to set "first = 0' at the end of rdev_for_each
> loop, so we can get the array's min_offset_diff correctly
> otherwise min_offset_diff just means the last rdev's
> offset diff.
>
> Suggested-by: NeilBrown <neilb@xxxxxxxx>
> Signed-off-by: Guoqing Jiang <gqjiang@xxxxxxxx>
applied, thanks!
> ---
> drivers/md/raid10.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
> index 0f13d57..e055ec9 100644
> --- a/drivers/md/raid10.c
> +++ b/drivers/md/raid10.c
> @@ -3769,6 +3769,7 @@ static int raid10_run(struct mddev *mddev)
>
> if (blk_queue_discard(bdev_get_queue(rdev->bdev)))
> discard_supported = true;
> + first = 0;
> }
>
> if (mddev->queue) {
> @@ -4172,6 +4173,7 @@ static int raid10_start_reshape(struct mddev *mddev)
> if (first || diff < min_offset_diff)
> min_offset_diff = diff;
> }
> + first = 0;
> }
>
> if (max(before_length, after_length) > min_offset_diff)
> --
> 2.6.6
>
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