drbd: Do not send two barriers without any writes between them
authorPhilipp Reisner <philipp.reisner@linbit.com>
Tue, 22 Jun 2010 09:26:48 +0000 (11:26 +0200)
committerPhilipp Reisner <philipp.reisner@linbit.com>
Thu, 14 Oct 2010 12:36:51 +0000 (14:36 +0200)
commitb9b98716f83856b928f1c985ab55520c67663dd2
treed935bc8efc8a7ecc6a05225ff941a16ee1d8bfcf
parent11b58e73a3a3d1bbb582370d59f9b2c4d0136b42
drbd: Do not send two barriers without any writes between them

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
drivers/block/drbd/drbd_main.c