Messages in this thread Patch in this message | | | From | Johannes Thumshirn <> | Subject | [PATCH 1/2] scsi: sas: flush destruct workqueue on device unregister | Date | Wed, 29 Mar 2017 11:41:08 +0200 |
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In the advent of an SAS device unregister we have to wait for all destruct works to be done to not accidently delay deletion of a SAS rphy or it's children to the point when we're removing the SCSI or SAS hosts.
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> --- drivers/scsi/libsas/sas_discover.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c index 60de662..75b18f1 100644 --- a/drivers/scsi/libsas/sas_discover.c +++ b/drivers/scsi/libsas/sas_discover.c @@ -382,9 +382,13 @@ void sas_unregister_dev(struct asd_sas_port *port, struct domain_device *dev) } if (!test_and_set_bit(SAS_DEV_DESTROY, &dev->state)) { + struct sas_discovery *disc = &dev->port->disc; + struct sas_work *sw = &disc->disc_work[DISCE_DESTRUCT].work; + sas_rphy_unlink(dev->rphy); list_move_tail(&dev->disco_list_node, &port->destroy_list); sas_discover_event(dev->port, DISCE_DESTRUCT); + flush_work(&sw->work); } } -- 1.8.5.6
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