From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Wed, 14 May 2014 18:33:05 +0000 (+0200)
Subject: drbd: debugfs: add per device data_gen_id
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~74^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cc356f85bb57a3587e4b1d944e669fe39b37cdf2;p=pandora-kernel.git

drbd: debugfs: add per device data_gen_id

The data generation identifiers used to be exposed via sysfs
at /sys/block/drbdX/drbd/meta_data/data_gen_id (out-of-tree),
for advanced policy scripting.
Bring that information over to debugfs.

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