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Subject[PATCH V2] scsi: libsas: Directly kick-off EH when ATA device fell off
Date
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>
---
Changes to v1:
- Use dev_is_sata() to check ATA device type
drivers/scsi/libsas/sas_discover.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
index d5bc1314c341..a12b65eb4a2a 100644
--- a/drivers/scsi/libsas/sas_discover.c
+++ b/drivers/scsi/libsas/sas_discover.c
@@ -362,6 +362,9 @@ 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_is_sata(dev))
+ 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
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