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scsi: lpfc: Return DID_TRANSPORT_DISRUPTED instead of DID_REQUEUE 

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@suse.de
Reviewed-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Hannes Reinecke 2022-08-24 08:00:33 +02:00 committed by Martin K. Petersen
parent 785538bfdd
commit c0a50cd389
1 changed files with 2 additions and 2 deletions
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4
drivers/scsi/lpfc/lpfc_scsi.c
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@ -4272,7 +4272,7 @@ lpfc_fcp_io_cmd_wqe_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeIn,
lpfc_cmd->result == IOERR_ABORT_REQUESTED ||
lpfc_cmd->result == IOERR_RPI_SUSPENDED ||
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 ||
@ -4562,7 +4562,7 @@ 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 ||