From: Wenchao Hao <haowenchao2@xxxxxxxxxx>
Add new param lun_eh to control if enable LUN based error handler, since
smartpqi did not define other further reset callbacks, it is not
necessary to fallback to further recover any more, so set the LUN
error handler with fallback set to 0.
Signed-off-by: Wenchao Hao <haowenchao2@xxxxxxxxxx>
---
drivers/scsi/smartpqi/smartpqi_init.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c
index 0da7be40c925..eb6e9be2efc2 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -189,6 +189,10 @@ module_param_named(ctrl_ready_timeout,
MODULE_PARM_DESC(ctrl_ready_timeout,
"Timeout in seconds for driver to wait for controller ready.");
+static bool pqi_lun_eh;
+module_param_named(lun_eh, pqi_lun_eh, bool, 0444);
+MODULE_PARM_DESC(lun_eh, "LUN based error handle (def=0)");
+
static char *raid_levels[] = {
"RAID-0",
"RAID-4",
@@ -6496,6 +6500,13 @@ static int pqi_sdev_init(struct scsi_device *sdev)
struct pqi_ctrl_info *ctrl_info;
struct scsi_target *starget;
struct sas_rphy *rphy;
+ int ret = 0;
+
+ if (pqi_lun_eh) {
+ ret = scsi_device_setup_eh(sdev, 0);
+ if (ret)
+ return ret;
+ }
ctrl_info = shost_to_hba(sdev->host);
@@ -6583,6 +6594,9 @@ static void pqi_sdev_destroy(struct scsi_device *sdev)
ctrl_info = shost_to_hba(sdev->host);
+ if (pqi_lun_eh)
+ scsi_device_clear_eh(sdev);
+
mutex_acquired = mutex_trylock(&ctrl_info->scan_mutex);
if (!mutex_acquired)
return;
--
2.33.0
