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| author | Philipp Reisner <philipp.reisner@linbit.com> | 2013-03-27 14:08:48 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2013-03-28 10:10:25 -0600 |
| commit | 3990e04df085e0561ab34f84731dc5929585c526 (patch) | |
| tree | cc61156879176cc6e014cba76938fba7d3e53ed6 /drivers/block/drbd | |
| parent | 7c689e63a847316c1b2500f86891b0a574ce7e69 (diff) | |
| download | linux-stable-3990e04df085e0561ab34f84731dc5929585c526.tar.gz linux-stable-3990e04df085e0561ab34f84731dc5929585c526.tar.bz2 linux-stable-3990e04df085e0561ab34f84731dc5929585c526.zip | |
drbd: use sched_setscheduler()
It was unnoticed for some time that assigning to current->policy is
no longer sufficient to set a real time priority for a kernel thread.
Reported-by: Charlie Suffin <Charlie.Suffin@stratus.com>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/drbd')
| -rw-r--r-- | drivers/block/drbd/drbd_receiver.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index a75c0b134856..0f449bbf0edf 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -5257,9 +5257,11 @@ int drbd_asender(struct drbd_thread *thi) bool ping_timeout_active = false; struct net_conf *nc; int ping_timeo, tcp_cork, ping_int; + struct sched_param param = { .sched_priority = 2 }; - current->policy = SCHED_RR; /* Make this a realtime task! */ - current->rt_priority = 2; /* more important than all other tasks */ + rv = sched_setscheduler(current, SCHED_RR, ¶m); + if (rv < 0) + conn_err(tconn, "drbd_asender: ERROR set priority, ret=%d\n", rv); while (get_t_state(thi) == RUNNING) { drbd_thread_current_set_cpu(thi); |