From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Wed, 28 Jan 2015 21:10:51 +0000 (-0800)
Subject: vhost/scsi: Change vhost_scsi_map_to_sgl to accept iov ptr + len
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~13^2~19
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b4078b5face3c1e79ef6e2dd254af04a470ed2bc;p=pandora-kernel.git

vhost/scsi: Change vhost_scsi_map_to_sgl to accept iov ptr + len

This patch changes vhost_scsi_map_to_sgl() parameters to accept virtio
iovec ptr + len when determing pages_nr.

This is currently done with iov_num_pages() -> PAGE_ALIGN, so allow
the same parameters as well.

Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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