diff options
| author |   Narsimhulu Musini <nmusini@cisco.com> | 2016-03-17 00:51:11 -0700 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2016-04-11 16:57:09 -0400 |
| commit | f352a0d5bafa62d1f0b044613ea42483a529f9df (patch) | |
| tree | bb1b92b08cc444d19fa7c0cd838f60ada626ae58 /drivers/scsi/snic | |
| parent | snic: Added additional stats (diff) | |
| download | linux-dev-f352a0d5bafa62d1f0b044613ea42483a529f9df.tar.xz linux-dev-f352a0d5bafa62d1f0b044613ea42483a529f9df.zip | |
snic: LUN goes offline due to scsi cmd timeouts
- LUN goes offline if there are at least two scsi command timeouts
Completing the IO with scsi_done() fixes the issue.
Signed-off-by: Narsimhulu Musini <nmusini@cisco.com>
Signed-off-by: Sesidhar Baddela <sebaddel@cisco.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/snic')
| -rw-r--r-- | drivers/scsi/snic/snic_scsi.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/scsi/snic/snic_scsi.c b/drivers/scsi/snic/snic_scsi.c index e423eaacb926..5a709ebdb282 100644 --- a/drivers/scsi/snic/snic_scsi.c +++ b/drivers/scsi/snic/snic_scsi.c @@ -1465,11 +1465,19 @@ snic_abort_finish(struct snic *snic, struct scsi_cmnd *sc) case SNIC_STAT_IO_SUCCESS: case SNIC_STAT_IO_NOT_FOUND: ret = SUCCESS; + /* + * If abort path doesn't call scsi_done(), + * the # IO timeouts == 2, will cause the LUN offline. + * Call scsi_done to complete the IO. + */ + sc->result = (DID_ERROR << 16); + sc->scsi_done(sc); break; default: /* Firmware completed abort with error */ ret = FAILED; + rqi = NULL; break; } @@ -1842,6 +1850,9 @@ snic_dr_clean_single_req(struct snic *snic, snic_release_req_buf(snic, rqi, sc); + sc->result = (DID_ERROR << 16); + sc->scsi_done(sc); + ret = 0; return ret; @@ -2396,6 +2407,13 @@ snic_cmpl_pending_tmreq(struct snic *snic, struct scsi_cmnd *sc) "Completing Pending TM Req sc %p, state %s flags 0x%llx\n", sc, snic_io_status_to_str(CMD_STATE(sc)), CMD_FLAGS(sc)); + /* + * CASE : FW didn't post itmf completion due to PCIe Errors. + * Marking the abort status as Success to call scsi completion + * in snic_abort_finish() + */ + CMD_ABTS_STATUS(sc) = SNIC_STAT_IO_SUCCESS; + rqi = (struct snic_req_info *) CMD_SP(sc); if (!rqi) return; |