[PATCH 17/20] [SCSI] mpt3sas: Use alloc_ordered_workqueue() API instead of create_singlethread_workqueue() API

Sreekanth Reddy
2015-06-12T09:45:56Z

Created a thread using alloc_ordered_workqueue() API in order to process
the works from firmware Work-queue sequentially instead of
create_singlethread_workqueue() API.

Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com>
---
drivers/scsi/mpt3sas/mpt3sas_scsih.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index 837c22a..42bb731 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -8024,8 +8024,13 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
/* event thread */
snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name),
"fw_event%d", ioc->id);
- ioc->firmware_event_thread = create_singlethread_workqueue(
+#if defined(alloc_ordered_workqueue)
+ ioc->firmware_event_thread = alloc_ordered_workqueue(
+ ioc->firmware_event_name, WQ_MEM_RECLAIM);
+#else
+ ioc->firmware_event_thread = create_singlethread_workqueue(
ioc->firmware_event_name);
+#endif
if (!ioc->firmware_event_thread) {
pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
--
2.0.2