drbd: don't pretend that barrier_nr == 0 was special

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Lars Ellenberg 2012-03-26 16:25:41 +02:00 committed by Philipp Reisner
parent 0642d5f8e0
commit f9916d61a4

View File

@ -250,9 +250,7 @@ void _tl_add_barrier(struct drbd_tconn *tconn, struct drbd_tl_epoch *new)
new->n_writes = 0;
newest_before = tconn->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 (tconn->newest_tle != new) {
tconn->newest_tle->next = new;
tconn->newest_tle = new;