[PATCH] NVMe: Fail SCSI->NVMe translation for UNMAP when anchor is set

[Keith Busch]

On Wed, 18 Jun 2014, Dan McLeran wrote:
> SCSI UNMAP should fail if the host sends down the command with Anchor set. The
> current code does not check this condition. This patch checks Anchor and fails
> Scsi->NVMe translation if Anchor is set.

The reference on nvmexpress.org says the command with anchor set is
premissible "for resource-provisioned devices".

> Signed-off-by: Dan McLeran <daniel.mcleran at intel.com>