Add virtio disk identification ioctl
authorjohn cooper <john.cooper@redhat.com>
Thu, 25 Mar 2010 05:34:02 +0000 (01:34 -0400)
committerRusty Russell <rusty@rustcorp.com.au>
Wed, 19 May 2010 12:45:40 +0000 (22:15 +0930)
Return serial string to the guest application via
ioctl driver call.

Note this form of interface to the guest userland
was the consensus when the prior version using
the ATA_IDENTIFY came under dispute.

Signed-off-by: john cooper <john.cooper@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
drivers/block/virtio_blk.c

Simple merge