From: Rusty Russell <rusty@rustcorp.com.au>
Date: Wed, 20 Mar 2013 05:14:26 +0000 (+1030)
Subject: virtio_ring: virtqueue_add_outbuf / virtqueue_add_inbuf.
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~63^2~43
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=282edb36499042a92b71f052f51754ae7ed936e4;p=pandora-kernel.git

virtio_ring: virtqueue_add_outbuf / virtqueue_add_inbuf.

These are specialized versions of virtqueue_add_buf(), which cover
over 80% of cases and are far clearer.

In particular, the scatterlists passed to these functions don't have
to be clean (ie. we ignore end markers).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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