diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/isci/host.c | 10 | ||||
| -rw-r--r-- | drivers/scsi/isci/remote_device.c | 43 |
2 files changed, 40 insertions, 13 deletions
diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c index 25d537e2f5c..53c3ad64c99 100644 --- a/drivers/scsi/isci/host.c +++ b/drivers/scsi/isci/host.c @@ -1105,8 +1105,6 @@ void isci_host_completion_routine(unsigned long data) list_splice_init(&ihost->requests_to_complete, &completed_request_list); - spin_unlock_irq(&ihost->scic_lock); - /* Process any completions in the list. */ list_for_each_safe(current_position, next_position, &completed_request_list) { @@ -1115,7 +1113,6 @@ void isci_host_completion_routine(unsigned long data) completed_node); task = isci_request_access_task(request); - /* Return the task to libsas */ if (task != NULL) { @@ -1141,11 +1138,12 @@ void isci_host_completion_routine(unsigned long data) } } } + if (test_and_clear_bit(IREQ_ABORT_PATH_ACTIVE, &request->flags)) + wake_up_all(&ihost->eventq); - spin_lock_irq(&ihost->scic_lock); isci_free_tag(ihost, request->io_tag); - spin_unlock_irq(&ihost->scic_lock); } + spin_unlock_irq(&ihost->scic_lock); /* the coalesence timeout doubles at each encoding step, so * update it based on the ilog2 value of the outstanding requests @@ -2703,8 +2701,6 @@ enum sci_status sci_controller_complete_io(struct isci_host *ihost, index = ISCI_TAG_TCI(ireq->io_tag); clear_bit(IREQ_ACTIVE, &ireq->flags); - if (test_bit(IREQ_ABORT_PATH_ACTIVE, &ireq->flags)) - wake_up_all(&ihost->eventq); return SCI_SUCCESS; default: dev_warn(&ihost->pdev->dev, "%s invalid state: %d\n", diff --git a/drivers/scsi/isci/remote_device.c b/drivers/scsi/isci/remote_device.c index d1c2a2294a3..21a9800a9be 100644 --- a/drivers/scsi/isci/remote_device.c +++ b/drivers/scsi/isci/remote_device.c @@ -145,6 +145,39 @@ static bool isci_compare_suspendcount( return localcount != idev->rnc.suspend_count; } +static bool isci_check_reqterm( + struct isci_host *ihost, + struct isci_remote_device *idev, + struct isci_request *ireq, + u32 localcount) +{ + unsigned long flags; + bool res; + + spin_lock_irqsave(&ihost->scic_lock, flags); + res = isci_compare_suspendcount(idev, localcount) + && !test_bit(IREQ_ABORT_PATH_ACTIVE, &ireq->flags); + spin_unlock_irqrestore(&ihost->scic_lock, flags); + + return res; +} + +static bool isci_check_devempty( + struct isci_host *ihost, + struct isci_remote_device *idev, + u32 localcount) +{ + unsigned long flags; + bool res; + + spin_lock_irqsave(&ihost->scic_lock, flags); + res = isci_compare_suspendcount(idev, localcount) + && idev->started_request_count == 0; + spin_unlock_irqrestore(&ihost->scic_lock, flags); + + return res; +} + enum sci_status isci_remote_device_terminate_requests( struct isci_host *ihost, struct isci_remote_device *idev, @@ -179,17 +212,15 @@ enum sci_status isci_remote_device_terminate_requests( sci_remote_device_terminate_req(ihost, idev, 0, ireq); spin_unlock_irqrestore(&ihost->scic_lock, flags); wait_event(ihost->eventq, - (isci_compare_suspendcount(idev, - rnc_suspend_count) - && !test_bit(IREQ_ACTIVE, &ireq->flags))); + isci_check_reqterm(ihost, idev, ireq, + rnc_suspend_count)); } else { /* Terminate all TCs. */ sci_remote_device_terminate_requests(idev); spin_unlock_irqrestore(&ihost->scic_lock, flags); wait_event(ihost->eventq, - (isci_compare_suspendcount(idev, - rnc_suspend_count) - && idev->started_request_count == 0)); + isci_check_devempty(ihost, idev, + rnc_suspend_count)); } dev_dbg(&ihost->pdev->dev, "%s: idev=%p, wait done\n", __func__, idev); |