virtio_scsi: use cmd_size
authorChristoph Hellwig <hch@lst.de>
Thu, 1 May 2014 14:51:50 +0000 (16:51 +0200)
committerChristoph Hellwig <hch@lst.de>
Mon, 19 May 2014 17:57:23 +0000 (19:57 +0200)
Taken almost entirely from Nicholas Bellinger's scsi-mq conversion.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Nicholas Bellinger <nab@linux-iscsi.org>

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