From 9bd1966344bf975b5ce65e80fd6bacc41b4325a8 Mon Sep 17 00:00:00 2001
From: Alex Elder <elder@dreamhost.com>
Date: Wed, 7 Mar 2012 11:40:08 -0600
Subject: [PATCH] libceph: rename "page_shift" variable to something sensible

In write_partial_msg_pages() there is a local variable used to
track the starting offset within a bio segment to use.  Its name,
"page_shift" defies the Linux convention of using that name for
log-base-2(page size).

Since it's only used in the bio case rename it "bio_offset".  Use it
along with the page_pos field to compute the memory offset when
computing CRC's in that function.  This makes the bio case match the
others more closely.

Signed-off-by: Alex Elder <elder@dreamhost.com>
Reviewed-by: Sage Weil <sage@newdream.net>
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