drbd: announce FLUSH/FUA capability to upper layers
authorLars Ellenberg <lars.ellenberg@linbit.com>
Mon, 30 Jul 2012 07:00:54 +0000 (09:00 +0200)
committerPhilipp Reisner <philipp.reisner@linbit.com>
Fri, 9 Nov 2012 13:05:44 +0000 (14:05 +0100)
In 8.4, we may have bios spanning two activity log extents.
Fixup drbd_al_begin_io() and drbd_al_complete_io() to deal with zero sized bios.

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

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