[PATCH] scsi: libsas: Directly kick-off EH when ATA device fell off

[Xingui Yang <yangxingui@huawei.com>]

If the ATA device fell off, call sas_ata_device_link_abort() directly and
mark all outstanding QCs as failed and kick-off EH Immediately. This avoids
having to wait for block layer timeouts.

Signed-off-by: Xingui Yang <yangxingui@huawei.com>
---
 drivers/scsi/libsas/sas_discover.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
index d5bc1314c341..bd22741daa99 100644
--- a/drivers/scsi/libsas/sas_discover.c
+++ b/drivers/scsi/libsas/sas_discover.c
@@ -362,6 +362,11 @@ static void sas_destruct_ports(struct asd_sas_port *port)
 
 void sas_unregister_dev(struct asd_sas_port *port, struct domain_device *dev)
 {
+	if (test_bit(SAS_DEV_GONE, &dev->state) &&
+	    (dev->dev_type == SAS_SATA_DEV ||
+	    (dev->tproto & SAS_PROTOCOL_STP)))
+		sas_ata_device_link_abort(dev, false);
+
 	if (!test_bit(SAS_DEV_DESTROY, &dev->state) &&
 	    !list_empty(&dev->disco_list_node)) {
 		/* this rphy never saw sas_rphy_add */
-- 
2.17.1