This is a note to let you know that I've just added the patch titled md/raid10: reset the 'first' at the end of loop to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: md-raid10-reset-the-first-at-the-end-of-loop.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 6f287ca6046edd34ed83aafb7f9033c9c2e809e2 Mon Sep 17 00:00:00 2001 From: Guoqing Jiang <gqjiang@xxxxxxxx> Date: Thu, 6 Apr 2017 09:12:18 +0800 Subject: md/raid10: reset the 'first' at the end of loop From: Guoqing Jiang <gqjiang@xxxxxxxx> commit 6f287ca6046edd34ed83aafb7f9033c9c2e809e2 upstream. 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. [only the first chunk, due to b506335e5d2b ("md/raid10: skip spare disk as 'first' disk") being already applied - gregkh] Suggested-by: NeilBrown <neilb@xxxxxxxx> Signed-off-by: Guoqing Jiang <gqjiang@xxxxxxxx> Reviewed-by: NeilBrown <neilb@xxxxxxxx> Signed-off-by: Shaohua Li <shli@xxxxxx> Cc: Ben Hutchings <ben.hutchings@xxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/md/raid10.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -3681,6 +3681,7 @@ static int raid10_run(struct mddev *mdde if (blk_queue_discard(bdev_get_queue(rdev->bdev))) discard_supported = true; + first = 0; } if (mddev->queue) { Patches currently in stable-queue which might be from gqjiang@xxxxxxxx are queue-4.9/md-raid10-reset-the-first-at-the-end-of-loop.patch