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vhost/scsi: Convert completion path to use copy_to_iter
Required for ANY_LAYOUT support when the incoming virtio-scsi response header + fixed size sense buffer payload may span more than a single iovec entry. This changes existing code to save cmd->tvc_resp_iov instead of the first single iovec base pointer from &vq->iov[out]. Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Nicholas Bellinger
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Feb 4, 2015
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