aid_conf->rmw_level == PARITY_DISABLE_RMW);
 
+	if (sh->raid_conf->rmw_level == PARITY_DISABLE_RMW ||
+	    (mddev->bitmap_ops && mddev->bitmap_ops->blocks_synced &&
+	     !mddev->bitmap_ops->blocks_synced(mddev, sh->sector)))
+		force_rcw = true;
 
 	if (test_bit(R5_LOCKED, &dev->flags) ||
 	    test_bit(R5_UPTODATE, &dev->flags))
-- 
2.51.0[PATCH 6.18 045/641] md/raid5: fix IO hang with degraded array with llbitmapGreg Kroah-Hartman <gregkh@linuxfoundation.org> undefinedstable@vger.kernel.org undefined undefined undefined undefined undefinedûU†–n