diff options
| author | James Smart <jsmart2021@gmail.com> | 2017-05-15 15:20:46 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-05-16 21:22:22 -0400 |
| commit | a8cf5dfeb4d84248c0ad12386ae0cb36ee21589a (patch) | |
| tree | fb4580dc29cc56663b5702a688bf3518bd6ff7e6 /drivers/scsi/lpfc/lpfc_debugfs.c | |
| parent | 6c621a2229b084da0d926967f84b059a10c26ede (diff) | |
scsi: lpfc: Added recovery logic for running out of NVMET IO context resources
Previous logic would just drop the IO.
Added logic to queue the IO to wait for an IO context resource from an
IO thats already in progress.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_debugfs.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_debugfs.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index 7284533f4df2..c7d1c9d37a64 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -842,6 +842,12 @@ lpfc_debugfs_nvmestat_data(struct lpfc_vport *vport, char *buf, int size) } spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); } + + len += snprintf(buf + len, size - len, + "IO_CTX: %08x outstanding %08x total %08x\n", + phba->sli4_hba.nvmet_ctx_cnt, + phba->sli4_hba.nvmet_io_wait_cnt, + phba->sli4_hba.nvmet_io_wait_total); } else { if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) return len; |