diff options
Diffstat (limited to 'drivers/scsi/libsas/sas_event.c')
-rw-r--r-- | drivers/scsi/libsas/sas_event.c | 50 |
1 files changed, 19 insertions, 31 deletions
diff --git a/drivers/scsi/libsas/sas_event.c b/drivers/scsi/libsas/sas_event.c index 3613b9b315bc..f3a17191a4fe 100644 --- a/drivers/scsi/libsas/sas_event.c +++ b/drivers/scsi/libsas/sas_event.c @@ -10,29 +10,26 @@ #include <scsi/scsi_host.h> #include "sas_internal.h" -int sas_queue_work(struct sas_ha_struct *ha, struct sas_work *sw) +bool sas_queue_work(struct sas_ha_struct *ha, struct sas_work *sw) { - /* it's added to the defer_q when draining so return succeed */ - int rc = 1; - if (!test_bit(SAS_HA_REGISTERED, &ha->state)) - return 0; + return false; if (test_bit(SAS_HA_DRAINING, &ha->state)) { /* add it to the defer list, if not already pending */ if (list_empty(&sw->drain_node)) list_add_tail(&sw->drain_node, &ha->defer_q); - } else - rc = queue_work(ha->event_q, &sw->work); + return true; + } - return rc; + return queue_work(ha->event_q, &sw->work); } -static int sas_queue_event(int event, struct sas_work *work, +static bool sas_queue_event(int event, struct sas_work *work, struct sas_ha_struct *ha) { unsigned long flags; - int rc; + bool rc; spin_lock_irqsave(&ha->lock, flags); rc = sas_queue_work(ha, work); @@ -44,13 +41,12 @@ static int sas_queue_event(int event, struct sas_work *work, void sas_queue_deferred_work(struct sas_ha_struct *ha) { struct sas_work *sw, *_sw; - int ret; spin_lock_irq(&ha->lock); list_for_each_entry_safe(sw, _sw, &ha->defer_q, drain_node) { list_del_init(&sw->drain_node); - ret = sas_queue_work(ha, sw); - if (ret != 1) { + + if (!sas_queue_work(ha, sw)) { pm_runtime_put(ha->dev); sas_free_event(to_asd_sas_event(&sw->work)); } @@ -165,18 +161,17 @@ static bool sas_defer_event(struct asd_sas_phy *phy, struct asd_sas_event *ev) return deferred; } -int sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event, - gfp_t gfp_flags) +void sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event, + gfp_t gfp_flags) { struct sas_ha_struct *ha = phy->ha; struct asd_sas_event *ev; - int ret; BUG_ON(event >= PORT_NUM_EVENTS); ev = sas_alloc_event(phy, gfp_flags); if (!ev) - return -ENOMEM; + return; /* Call pm_runtime_put() with pairs in sas_port_event_worker() */ pm_runtime_get_noresume(ha->dev); @@ -184,30 +179,26 @@ int sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event, INIT_SAS_EVENT(ev, sas_port_event_worker, phy, event); if (sas_defer_event(phy, ev)) - return 0; + return; - ret = sas_queue_event(event, &ev->work, ha); - if (ret != 1) { + if (!sas_queue_event(event, &ev->work, ha)) { pm_runtime_put(ha->dev); sas_free_event(ev); } - - return ret; } EXPORT_SYMBOL_GPL(sas_notify_port_event); -int sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event, - gfp_t gfp_flags) +void sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event, + gfp_t gfp_flags) { struct sas_ha_struct *ha = phy->ha; struct asd_sas_event *ev; - int ret; BUG_ON(event >= PHY_NUM_EVENTS); ev = sas_alloc_event(phy, gfp_flags); if (!ev) - return -ENOMEM; + return; /* Call pm_runtime_put() with pairs in sas_phy_event_worker() */ pm_runtime_get_noresume(ha->dev); @@ -215,14 +206,11 @@ int sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event, INIT_SAS_EVENT(ev, sas_phy_event_worker, phy, event); if (sas_defer_event(phy, ev)) - return 0; + return; - ret = sas_queue_event(event, &ev->work, ha); - if (ret != 1) { + if (!sas_queue_event(event, &ev->work, ha)) { pm_runtime_put(ha->dev); sas_free_event(ev); } - - return ret; } EXPORT_SYMBOL_GPL(sas_notify_phy_event); |