diff options
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/hpsa.c | 68 | ||||
| -rw-r--r-- | drivers/scsi/hpsa.h | 2 |
2 files changed, 56 insertions, 14 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 15ef65c25d64..95d581c45413 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -6787,14 +6787,14 @@ static int hpsa_offline_devices_ready(struct ctlr_info *h) return 0; } - -static void hpsa_monitor_ctlr_worker(struct work_struct *work) +static void hpsa_rescan_ctlr_worker(struct work_struct *work) { unsigned long flags; struct ctlr_info *h = container_of(to_delayed_work(work), - struct ctlr_info, monitor_ctlr_work); - detect_controller_lockup(h); - if (lockup_detected(h)) + struct ctlr_info, rescan_ctlr_work); + + + if (h->remove_in_progress) return; if (hpsa_ctlr_needs_rescan(h) || hpsa_offline_devices_ready(h)) { @@ -6803,17 +6803,44 @@ static void hpsa_monitor_ctlr_worker(struct work_struct *work) hpsa_scan_start(h->scsi_host); scsi_host_put(h->scsi_host); } - spin_lock_irqsave(&h->lock, flags); - if (h->remove_in_progress) { - spin_unlock_irqrestore(&h->lock, flags); + if (!h->remove_in_progress) + queue_delayed_work(h->rescan_ctlr_wq, &h->rescan_ctlr_work, + h->heartbeat_sample_interval); + spin_unlock_irqrestore(&h->lock, flags); +} + +static void hpsa_monitor_ctlr_worker(struct work_struct *work) +{ + unsigned long flags; + struct ctlr_info *h = container_of(to_delayed_work(work), + struct ctlr_info, monitor_ctlr_work); + + detect_controller_lockup(h); + if (lockup_detected(h)) return; - } - schedule_delayed_work(&h->monitor_ctlr_work, + + spin_lock_irqsave(&h->lock, flags); + if (!h->remove_in_progress) + schedule_delayed_work(&h->monitor_ctlr_work, h->heartbeat_sample_interval); spin_unlock_irqrestore(&h->lock, flags); } +static struct workqueue_struct *hpsa_create_controller_wq(struct ctlr_info *h, + char *name) +{ + struct workqueue_struct *wq = NULL; + char wq_name[20]; + + snprintf(wq_name, sizeof(wq_name), "%s_%d_hpsa", name, h->ctlr); + wq = alloc_ordered_workqueue(wq_name, 0); + if (!wq) + dev_err(&h->pdev->dev, "failed to create %s workqueue\n", name); + + return wq; +} + static int hpsa_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { int dac, rc; @@ -6856,12 +6883,18 @@ reinit_after_soft_reset: spin_lock_init(&h->scan_lock); atomic_set(&h->passthru_cmds_avail, HPSA_MAX_CONCURRENT_PASSTHRUS); - h->resubmit_wq = alloc_workqueue("hpsa", WQ_MEM_RECLAIM, 0); + h->rescan_ctlr_wq = hpsa_create_controller_wq(h, "rescan"); + if (!h->rescan_ctlr_wq) { + rc = -ENOMEM; + goto clean1; + } + + h->resubmit_wq = hpsa_create_controller_wq(h, "resubmit"); if (!h->resubmit_wq) { - dev_err(&h->pdev->dev, "Failed to allocate work queue\n"); rc = -ENOMEM; goto clean1; } + /* Allocate and clear per-cpu variable lockup_detected */ h->lockup_detected = alloc_percpu(u32); if (!h->lockup_detected) { @@ -6985,6 +7018,9 @@ reinit_after_soft_reset: INIT_DELAYED_WORK(&h->monitor_ctlr_work, hpsa_monitor_ctlr_worker); schedule_delayed_work(&h->monitor_ctlr_work, h->heartbeat_sample_interval); + INIT_DELAYED_WORK(&h->rescan_ctlr_work, hpsa_rescan_ctlr_worker); + queue_delayed_work(h->rescan_ctlr_wq, &h->rescan_ctlr_work, + h->heartbeat_sample_interval); return 0; clean4: @@ -6996,6 +7032,8 @@ clean2: clean1: if (h->resubmit_wq) destroy_workqueue(h->resubmit_wq); + if (h->rescan_ctlr_wq) + destroy_workqueue(h->rescan_ctlr_wq); if (h->lockup_detected) free_percpu(h->lockup_detected); kfree(h); @@ -7069,11 +7107,13 @@ static void hpsa_remove_one(struct pci_dev *pdev) /* Get rid of any controller monitoring work items */ spin_lock_irqsave(&h->lock, flags); h->remove_in_progress = 1; - cancel_delayed_work(&h->monitor_ctlr_work); spin_unlock_irqrestore(&h->lock, flags); + cancel_delayed_work_sync(&h->monitor_ctlr_work); + cancel_delayed_work_sync(&h->rescan_ctlr_work); + destroy_workqueue(h->rescan_ctlr_wq); + destroy_workqueue(h->resubmit_wq); hpsa_unregister_scsi(h); /* unhook from SCSI subsystem */ hpsa_shutdown(pdev); - destroy_workqueue(h->resubmit_wq); iounmap(h->vaddr); iounmap(h->transtable); iounmap(h->cfgtable); diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h index 62c50c32070e..657713050349 100644 --- a/drivers/scsi/hpsa.h +++ b/drivers/scsi/hpsa.h @@ -207,6 +207,7 @@ struct ctlr_info { atomic_t firmware_flash_in_progress; u32 __percpu *lockup_detected; struct delayed_work monitor_ctlr_work; + struct delayed_work rescan_ctlr_work; int remove_in_progress; /* Address of h->q[x] is passed to intr handler to know which queue */ u8 q[MAX_REPLY_QUEUES]; @@ -251,6 +252,7 @@ struct ctlr_info { int acciopath_status; int raid_offload_debug; struct workqueue_struct *resubmit_wq; + struct workqueue_struct *rescan_ctlr_wq; }; struct offline_device_entry { |