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Commit c088b2d9 authored by Lars Ellenberg's avatar Lars Ellenberg Committed by Philipp Reisner
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drbd: don't pretend that barrier_nr == 0 was special 



We used to have a barrier implementation where barrier_nr 0 was
reserved. That is long gone. Just use the full sequence space.

Signed-off-by: default avatarPhilipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: default avatarLars Ellenberg <lars.ellenberg@linbit.com>
parent 7ffcaa71

drivers/block/drbd/drbd_main.c

+1 −3
Original line number Diff line number Diff line
@@ -247,9 +247,7 @@ void _tl_add_barrier(struct drbd_conf *mdev, struct drbd_tl_epoch *new) 
	new->n_writes = 0;



	newest_before = mdev->newest_tle;

	/* never send a barrier number == 0, because that is special-cased

	 * when using TCQ for our write ordering code */

	new->br_number = (newest_before->br_number+1) ?: 1;

	new->br_number = newest_before->br_number+1;

	if (mdev->newest_tle != new) {

		mdev->newest_tle->next = new;

		mdev->newest_tle = new;