From: Henry C Chang <henry_c_chang@tcloudcomputing.com>
Date: Thu, 16 Dec 2010 04:41:54 +0000 (-0800)
Subject: ceph: fix direct-io on non-page-aligned buffers
X-Git-Tag: v2.6.37-rc7~3^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ab226e21ad34f6ef52e00d2ab399d2364b4cdfee;p=pandora-kernel.git

ceph: fix direct-io on non-page-aligned buffers

The user buffer may be 512-byte aligned, not page-aligned.  We were
assuming the buffer was page-aligned and only accounting for
non-page-aligned io offsets.

Signed-off-by: Henry C Chang <henry_c_chang@tcloudcomputing.com>
Signed-off-by: Sage Weil <sage@newdream.net>
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