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authorDan Williams <dan.j.williams@intel.com>2011-11-17 17:59:49 -0800
committerJames Bottomley <JBottomley@Parallels.com>2012-02-19 13:41:04 -0600
commitb15ebe0b5d0b95aeb1d84cae3649df1e0e065e9b (patch)
treeff93ad5f8be5fe91c7e6cf4963253491ddd058fb /drivers/scsi/libsas/sas_event.c
parent756f173fb5fa90ec15222e80fb579288be7794fd (diff)
[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>
Diffstat (limited to 'drivers/scsi/libsas/sas_event.c')
-rw-r--r--drivers/scsi/libsas/sas_event.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/scsi/libsas/sas_event.c b/drivers/scsi/libsas/sas_event.c
index 9db30fb5caf2..9c084bc09bbd 100644
--- a/drivers/scsi/libsas/sas_event.c
+++ b/drivers/scsi/libsas/sas_event.c
@@ -30,7 +30,7 @@ static void notify_ha_event(struct sas_ha_struct *sas_ha, enum ha_event event)
{
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 @@ static void notify_port_event(struct asd_sas_phy *phy, enum port_event event)
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 @@ static void notify_phy_event(struct asd_sas_phy *phy, enum phy_event event)
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 sas_init_events(struct sas_ha_struct *sas_ha)
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;