diff options
| author | James Smart <jsmart2021@gmail.com> | 2018-05-04 20:37:50 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-05-08 01:03:15 -0400 |
| commit | cd2400715c1250db78f5b54795edd1960815820a (patch) | |
| tree | d1e45bcb34f86e41778bb553b6fa7fbe46a52f23 /drivers/scsi/lpfc/lpfc_nvme.c | |
| parent | ab7ad49d01a5f03c5b1705334dc68f770f0a74f8 (diff) | |
scsi: lpfc: Change IO submit return to EBUSY if remote port is recovering
I/O submission paths in the lpfc nvme path are rejecting the io with an
error code that reflects back to the callee as a hard io failure. Many
of these conditions are transient and would likely resolve if retried.
Correct by returning -EBUSY, which the FC transport triggers off of to
return busy status codes to the blk-mq layer.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_nvme.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_nvme.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c index 9e0345697e1b..2d80c7207869 100644 --- a/drivers/scsi/lpfc/lpfc_nvme.c +++ b/drivers/scsi/lpfc/lpfc_nvme.c @@ -1452,8 +1452,8 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport, if (unlikely(!hw_queue_handle)) { lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_ABTS, - "6129 Fail Abort, NULL hw_queue_handle\n"); - ret = -EINVAL; + "6117 Fail Abort, NULL hw_queue_handle\n"); + ret = -EBUSY; goto out_fail; } @@ -1499,7 +1499,7 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport, "6066 Missing node for DID %x\n", pnvme_rport->port_id); atomic_inc(&lport->xmt_fcp_bad_ndlp); - ret = -ENODEV; + ret = -EBUSY; goto out_fail; } } @@ -1509,11 +1509,12 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport, (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) { lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE | LOG_NVME_IOERR, "6036 rport %p, DID x%06x not ready for " - "IO. State x%x, Type x%x\n", + "IO. State x%x, Type x%x Flg x%x\n", rport, pnvme_rport->port_id, - ndlp->nlp_state, ndlp->nlp_type); + ndlp->nlp_state, ndlp->nlp_type, + ndlp->upcall_flags); atomic_inc(&lport->xmt_fcp_bad_ndlp); - ret = -ENODEV; + ret = -EBUSY; goto out_fail; } |