From: Mikulas Patocka <mpatocka@redhat.com>
Date: Fri, 4 Sep 2009 19:40:37 +0000 (+0100)
Subject: dm snapshot: refactor zero_disk_area to use chunk_io
X-Git-Tag: v2.6.31-rc9~14^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=02d2fd31defce6ff77146ad0fef4f19006055d86;p=pandora-kernel.git

dm snapshot: refactor zero_disk_area to use chunk_io

Refactor chunk_io to prepare for the fix in the following patch.

Pass an area pointer to chunk_io and simplify zero_disk_area to use
chunk_io.  No functional change.

Cc: stable@kernel.org
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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