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/openbmc/linux/drivers/scsi/libsas/ |
H A D | sas_port.c | 517e5153 Fri Dec 08 03:42:08 CST 2017 Jason Yan <yanaijie@huawei.com> scsi: libsas: use flush_workqueue to process disco events synchronously
Now we are processing sas event and discover event in different workqueues. It's safe to wait the discover event done in the sas event work. Use flush_workqueue() to insure the disco and revalidate events processed synchronously so that the whole discover and revalidate process will not be interrupted by other events.
Signed-off-by: Jason Yan <yanaijie@huawei.com> CC: John Garry <john.garry@huawei.com> CC: Johannes Thumshirn <jthumshirn@suse.de> CC: Ewan Milne <emilne@redhat.com> CC: Christoph Hellwig <hch@lst.de> CC: Tomas Henzl <thenzl@redhat.com> CC: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> 517e5153 Fri Dec 08 03:42:08 CST 2017 Jason Yan <yanaijie@huawei.com> scsi: libsas: use flush_workqueue to process disco events synchronously Now we are processing sas event and discover event in different workqueues. It's safe to wait the discover event done in the sas event work. Use flush_workqueue() to insure the disco and revalidate events processed synchronously so that the whole discover and revalidate process will not be interrupted by other events. Signed-off-by: Jason Yan <yanaijie@huawei.com> CC: John Garry <john.garry@huawei.com> CC: Johannes Thumshirn <jthumshirn@suse.de> CC: Ewan Milne <emilne@redhat.com> CC: Christoph Hellwig <hch@lst.de> CC: Tomas Henzl <thenzl@redhat.com> CC: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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