From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Mon, 28 Dec 2009 15:58:38 +0000 (+0100)
Subject: drbd: Fix for a race between IO and a detach operation [Bugz 262]
X-Git-Tag: v2.6.33-rc5~8^2~10^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0a6dbf2bc4ea3781c530f895e2d92fd3c4a735a2;p=pandora-kernel.git

drbd: Fix for a race between IO and a detach operation [Bugz 262]

In D_DISKLESS we do not hand out any new references to ldev (local_cnt)
therefore waiting until all previously handed out refereces got returned
is sufficient before actually freeing mdev->ldev.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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