Xingui, > When the host protection capabilities are 0x77 and a DIF disk is > connected, the DIX and DIF of the disk are default enabled. Then if > that DIF disk is reformatted as a non-DIF format, per the currently > flow, the DIX is kept enabled which is not correct DIX is orthogonal to DIF and a host property. DIX should not be disabled just because the disk is no longer formatted with protection information. That said, your patch is probably fine. I'll take a closer look tomorrow. -- Martin K. Petersen Oracle Linux Engineering