diff options
| author |   Bob Liu <bob.liu@oracle.com> | 2020-07-01 11:07:45 +0800 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2020-07-02 23:17:05 -0400 |
| commit | 6292130093c5d102194bfe1eb6edc5563401eeb8 (patch) | |
| tree | f0a38a1b6dca212f1f13418a798a079a66cf6cac /drivers/scsi/hosts.c | |
| parent | scsi: lpfc: Update lpfc version to 12.8.0.2 (diff) | |
| download | linux-dev-6292130093c5d102194bfe1eb6edc5563401eeb8.tar.xz linux-dev-6292130093c5d102194bfe1eb6edc5563401eeb8.zip | |
scsi: core: Register sysfs for SCSI workqueue
Permit scsi_wq_xxx and scsi_tmf_xxx to be bound to different CPUs to get
better isolation.
Use alloc_workqueue with WQ_SYSFS and drop __WQ_ORDERED_EXPLICIT since a
__WQ_ORDERED_EXPLICIT workqueue isn't allowed to change the CPU mask.
Link: https://lore.kernel.org/r/20200701030745.16897-2-bob.liu@oracle.com
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Bob Liu <bob.liu@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/hosts.c')
| -rw-r--r-- | drivers/scsi/hosts.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index 7ec91c3a66ca..37d1c5565d90 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -272,8 +272,10 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev, if (shost->transportt->create_work_queue) { snprintf(shost->work_q_name, sizeof(shost->work_q_name), "scsi_wq_%d", shost->host_no); - shost->work_q = create_singlethread_workqueue( - shost->work_q_name); + shost->work_q = alloc_workqueue("%s", + WQ_SYSFS | __WQ_LEGACY | WQ_MEM_RECLAIM | WQ_UNBOUND, + 1, shost->work_q_name); + if (!shost->work_q) { error = -EINVAL; goto out_free_shost_data; @@ -487,7 +489,7 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize) } shost->tmf_work_q = alloc_workqueue("scsi_tmf_%d", - WQ_UNBOUND | WQ_MEM_RECLAIM, + WQ_UNBOUND | WQ_MEM_RECLAIM | WQ_SYSFS, 1, shost->host_no); if (!shost->tmf_work_q) { shost_printk(KERN_WARNING, shost, |