Merge tag 'md-fixes-20231201-1' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into block-6.7

Pull MD fix from Song:

"This change fixes issue with raid456 reshape."

* tag 'md-fixes-20231201-1' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md:
  md/raid6: use valid sector values to determine if an I/O should wait on the reshape

Author: axboe

drivers/md/raid5.c

@@ -5892,11 +5892,11 @@ static bool stripe_ahead_of_reshape(struct mddev *mddev, struct r5conf *conf,
 	int dd_idx;
 
 	for (dd_idx = 0; dd_idx < sh->disks; dd_idx++) {
-		if (dd_idx == sh->pd_idx)
+		if (dd_idx == sh->pd_idx || dd_idx == sh->qd_idx)
 			continue;
 
 		min_sector = min(min_sector, sh->dev[dd_idx].sector);
-		max_sector = min(max_sector, sh->dev[dd_idx].sector);
+		max_sector = max(max_sector, sh->dev[dd_idx].sector);
 	}
 
 	spin_lock_irq(&conf->device_lock);