drbd: NEG_ACK does not imply a barrier-ack
authorLars Ellenberg <lars.ellenberg@linbit.com>
Tue, 7 Aug 2012 04:47:14 +0000 (06:47 +0200)
committerPhilipp Reisner <philipp.reisner@linbit.com>
Fri, 9 Nov 2012 13:05:48 +0000 (14:05 +0100)
commit46e21bbadb2f4770199f2343f311f8833e5bf495
tree4214c97cdd9e65effd4df11760b7342c64a8f920
parent99b4d8fe6d12dcb49126df7153961fbc4de05f2a
drbd: NEG_ACK does not imply a barrier-ack

Don't drop a request from the transfer log just because it was NEG_ACKED.
We need it around to be able to verify P_BARRIER_ACKs against the
transver log.

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