[SCSI] libsas: replace event locks with atomic bitops
The locks only served to make sure the pending event bitmask was updated
consistently.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/libsas/sas_event.c b/drivers/scsi/libsas/sas_event.c
index 9db30fb..9c084bc 100644
--- a/drivers/scsi/libsas/sas_event.c
+++ b/drivers/scsi/libsas/sas_event.c
@@ -30,7 +30,7 @@
{
BUG_ON(event >= HA_NUM_EVENTS);
- sas_queue_event(event, &sas_ha->event_lock, &sas_ha->pending,
+ sas_queue_event(event, &sas_ha->pending,
&sas_ha->ha_events[event].work, sas_ha);
}
@@ -40,7 +40,7 @@
BUG_ON(event >= PORT_NUM_EVENTS);
- sas_queue_event(event, &ha->event_lock, &phy->port_events_pending,
+ sas_queue_event(event, &phy->port_events_pending,
&phy->port_events[event].work, ha);
}
@@ -50,7 +50,7 @@
BUG_ON(event >= PHY_NUM_EVENTS);
- sas_queue_event(event, &ha->event_lock, &phy->phy_events_pending,
+ sas_queue_event(event, &phy->phy_events_pending,
&phy->phy_events[event].work, ha);
}
@@ -62,8 +62,6 @@
int i;
- spin_lock_init(&sas_ha->event_lock);
-
for (i = 0; i < HA_NUM_EVENTS; i++) {
INIT_WORK(&sas_ha->ha_events[i].work, sas_ha_event_fns[i]);
sas_ha->ha_events[i].ha = sas_ha;