On Fri, Apr 03, 2015 at 05:13:00PM -0400, James Smart wrote: > Implement support for wire-only DIF devices > > This patch adds the ability to support auto-enablement of wire-only DIF > (DIF is generated on TX to target, stripped on RX; OS unaware DIF in use) > for a select set of devices. Currently, there is only 1 device vendor > supported: 3PARdata. When the feature is enabled, Inquiry commands are > trapped, the vendor matched, and DIF enablement checked. In 3Par's case, > there's a vendor specific check to see if the LUN supports DIF. > If supported, DIF will be enabled on a per-lun basis. The driver will > trap READS/WRITEs from the OS, check for LUN DIF enablement, and if set, > turns on write-only DIF. NAK. We do support proper DIF, and anyone who wants it should enable the real thing. And even if we would want to support a hack like this we'd do it genericly an not in a driver. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html