From: Martin K. Petersen <martin.petersen@oracle.com>
Date: Sun, 4 Jan 2009 07:43:40 +0000 (-0500)
Subject: block: Allow empty integrity profile
X-Git-Tag: v2.6.29-rc4~90^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=322316385dde5cd879e682bcb598c56d0659fb60;p=pandora-kernel.git

block: Allow empty integrity profile

Allow a block device to allocate and register an integrity profile
without providing a template.  This allows DM to preallocate a profile
to avoid deadlocks during table reconfiguration.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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