From: Mike Snitzer <snitzer@redhat.com>
Date: Thu, 10 Dec 2009 23:52:12 +0000 (+0000)
Subject: dm snapshot: track suspended state in target
X-Git-Tag: v2.6.33-rc1~75^2~42
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c26655ca3ca7550740a63820ee981e5c7c797523;p=pandora-kernel.git

dm snapshot: track suspended state in target

Keep track of whether or not the device is suspended within the snapshot
target module, the same as we do in dm-raid1.

We will use this later to enforce the correct sequence of ioctls to
transfer the in-core exceptions from a snapshot target instance in
one table to a replacement one capable of merging them back
into the origin.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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