drbd: Hold a reference to ldev while doing meta-data IO
authorPhilipp Reisner <philipp.reisner@linbit.com>
Mon, 27 Jun 2011 10:23:33 +0000 (12:23 +0200)
committerPhilipp Reisner <philipp.reisner@linbit.com>
Wed, 9 May 2012 08:31:11 +0000 (10:31 +0200)
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

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