diff mbox series

[RFC,v2,16/19] scsi: smartpqi: Add param to control LUN based error handle

Message ID 20230901094127.2010873-17-haowenchao2@huawei.com (mailing list archive)
State Changes Requested
Headers show
Series scsi: scsi_error: Introduce new error handle mechanism | expand

Commit Message

Wenchao Hao Sept. 1, 2023, 9:41 a.m. UTC
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@huawei.com>
---
 drivers/scsi/smartpqi/smartpqi_init.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
diff mbox series

Patch

diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c
index 6aaaa7ebca37..107156d85d85 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -187,6 +187,10 @@  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",
@@ -6356,6 +6360,13 @@  static int pqi_slave_alloc(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);
 
@@ -6439,6 +6450,9 @@  static void pqi_slave_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;