From: Mikulas Patocka <mpatocka@redhat.com>
Date: Tue, 14 Jan 2014 00:14:04 +0000 (-0500)
Subject: dm snapshot: prepare for switch to using dm-bufio
X-Git-Tag: v3.14-rc1~130^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2cadabd512acca99e6553d303eaedc97a3178a4d;p=pandora-kernel.git

dm snapshot: prepare for switch to using dm-bufio

Change the functions get_exception, read_exception and insert_exceptions
so that ps->area is passed as an argument.

This patch doesn't change any functionality, but it refactors the code
to allow for a cleaner switch over to using dm-bufio.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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