From: Guoqing Jiang Date: Thu, 6 Apr 2017 01:12:18 +0000 (+0800) Subject: md/raid10: reset the 'first' at the end of loop X-Git-Tag: v4.12-rc1~121^2^2~27 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=6f287ca6046edd34ed83aafb7f9033c9c2e809e2;p=karo-tx-linux.git md/raid10: reset the 'first' at the end of loop 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 Signed-off-by: Guoqing Jiang Reviewed-by: NeilBrown Signed-off-by: Shaohua Li --- diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 0f13d57ef646..e055ec94b9a8 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)