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| author | James Smart <jsmart2021@gmail.com> | 2019-03-12 16:30:19 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-03-19 13:15:09 -0400 |
| commit | c66a91974634bfdf9d8e8736219d3b27621fa704 (patch) | |
| tree | fde56d7651dbcae59f64bdc9f731601c9b678ab5 | |
| parent | e8869f5b0a7273fcf20ef99066fd8129e58ba5b7 (diff) | |
| download | linux-stable-c66a91974634bfdf9d8e8736219d3b27621fa704.tar.gz linux-stable-c66a91974634bfdf9d8e8736219d3b27621fa704.tar.bz2 linux-stable-c66a91974634bfdf9d8e8736219d3b27621fa704.zip | |
scsi: lpfc: Fix io lost on host resets
If the driver undergoes repeated host resets it starts losing exchange
structures and eventually returns SCSI_MLQUEUE_HOST_BUSY and does not
recover. The offline path is not reclaiming the outstanding ios on the fcp
pring txcmplq before calling lpfc_destroy_multixripool, which causes the
txmcplq to be reinit and the resources lost.
Flush the fcp rings before destroying the multixripools.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 05fbb4765d70..e3ff07f342dc 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -3250,6 +3250,13 @@ void lpfc_destroy_multixri_pools(struct lpfc_hba *phba) if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) lpfc_destroy_expedite_pool(phba); + if (!(phba->pport->load_flag & FC_UNLOADING)) { + lpfc_sli_flush_fcp_rings(phba); + + if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) + lpfc_sli_flush_nvme_rings(phba); + } + hwq_count = phba->cfg_hdw_queue; for (i = 0; i < hwq_count; i++) { |