This is a note to let you know that I've just added the patch titled
scsi: lpfc: Return DID_TRANSPORT_DISRUPTED instead of DID_REQUEUE
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
scsi-lpfc-return-did_transport_disrupted-instead-of-.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit f2c3ed5747f51accbfc5f7c69a537642abb015d9
Author: Hannes Reinecke <hare@xxxxxxx>
Date: Wed Aug 24 08:00:33 2022 +0200
scsi: lpfc: Return DID_TRANSPORT_DISRUPTED instead of DID_REQUEUE
[ Upstream commit c0a50cd389c3ed54831e240023dd12bafa56b3a6 ]
When the driver hits an internal error condition returning DID_REQUEUE the
I/O will be retried on the same ITL nexus. This will inhibit multipathing,
resulting in endless retries even if the error could have been resolved by
using a different ITL nexus. Return DID_TRANSPORT_DISRUPTED to allow for
multipath to engage and route I/O to another ITL nexus.
Link: https://lore.kernel.org/r/20220824060033.138661-1-hare@xxxxxxx
Reviewed-by: James Smart <jsmart2021@xxxxxxxxx>
Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 7da8e4c845df..41313fcaf84a 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -4278,7 +4278,7 @@ lpfc_fcp_io_cmd_wqe_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeIn,
lpfc_cmd->result == IOERR_NO_RESOURCES ||
lpfc_cmd->result == IOERR_ABORT_REQUESTED ||
lpfc_cmd->result == IOERR_SLER_CMD_RCV_FAILURE) {
- cmd->result = DID_REQUEUE << 16;
+ cmd->result = DID_TRANSPORT_DISRUPTED << 16;
break;
}
if ((lpfc_cmd->result == IOERR_RX_DMA_FAILED ||
@@ -4567,7 +4567,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
lpfc_cmd->result == IOERR_NO_RESOURCES ||
lpfc_cmd->result == IOERR_ABORT_REQUESTED ||
lpfc_cmd->result == IOERR_SLER_CMD_RCV_FAILURE) {
- cmd->result = DID_REQUEUE << 16;
+ cmd->result = DID_TRANSPORT_DISRUPTED << 16;
break;
}
if ((lpfc_cmd->result == IOERR_RX_DMA_FAILED ||
