If SCSI Error Handler is going on for timedout I/Os on a drive
and that corresponding drive is removed then stop escalating to
higher level of reset by returning the TUR with
"I_T NEXUS LOSS OCCURRED" sense key.
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@xxxxxxxxxxxx>
---
drivers/scsi/mpt3sas/mpt3sas_scsih.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index e54747a..465603b 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -5156,6 +5156,19 @@ scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
/* invalid device handle */
handle = sas_target_priv_data->handle;
+
+ /*
+ * Avoid error handling escallation when device is disconnected
+ */
+ if (handle == MPT3SAS_INVALID_DEVICE_HANDLE || sas_device_priv_data->block) {
+ if (scmd->device->host->shost_state == SHOST_RECOVERY &&
+ scmd->cmnd[0] == TEST_UNIT_READY) {
+ scsi_build_sense(scmd, 0, UNIT_ATTENTION, 0x29, 0x07);
+ scsi_done(scmd);
+ return 0;
+ }
+ }
+
if (handle == MPT3SAS_INVALID_DEVICE_HANDLE) {
scmd->result = DID_NO_CONNECT << 16;
scsi_done(scmd);
--
2.27.0
Attachment:
smime.p7s
Description: S/MIME Cryptographic Signature
