>>>>> "hpa" == H Peter Anvin <hpa@xxxxxxxxx> writes: hpa> OK, so the device here says don't do this again, but fails the hpa> request anyway expecting the block device to pick up the slack. Yes, the block layer function will resort to writing out zeroes directly in this case. MD should not consider a rejected WRITE SAME a failure. -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html