scsi: iscsi: Register sysfs for workqueue iscsi_destroy
Register sysfs for workqueue iscsi_destroy so that users can set CPU affinity through "cpumask" for this workqueue to get better isolation in cloud multi-tenant scenario. This patch unfolded create_singlethread_workqueue(), added WQ_SYSFS and drop __WQ_ORDERED_EXPLICIT since __WQ_ORDERED_EXPLICIT workqueue isn't allowed to change "cpumask". Link: https://lore.kernel.org/r/20200703051603.1473-1-bob.liu@oracle.comSuggested-by:Mike Christie <michael.christie@oracle.com> Reviewed-by:
Lee Duncan <lduncan@suse.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>
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