diff options
| author | Martin K. Petersen <martin.petersen@oracle.com> | 2019-10-09 21:54:04 -0400 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-10-09 21:54:04 -0400 |
| commit | a3a8d13f625d9f20664515d61d4c9a9452119d21 (patch) | |
| tree | 8d3bd45b741f10980c141cc35c06143a82e8ea18 /drivers/s390 | |
| parent | 27f722ccbe1563629275bb7ee30c0e307f5837a2 (diff) | |
| parent | b23f330d5145b92f90cf16f1adc5444ad06764b4 (diff) | |
| download | linux-a3a8d13f625d9f20664515d61d4c9a9452119d21.tar.bz2 | |
Merge branch '5.4/scsi-fixes' into 5.5/scsi-queue
The qla2xxx driver updates for 5.5 depend on the fixes queued for
5.4.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/scsi/zfcp_fsf.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 296bbc3c4606..cf63916814cc 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -27,6 +27,11 @@ struct kmem_cache *zfcp_fsf_qtcb_cache; +static bool ber_stop = true; +module_param(ber_stop, bool, 0600); +MODULE_PARM_DESC(ber_stop, + "Shuts down FCP devices for FCP channels that report a bit-error count in excess of its threshold (default on)"); + static void zfcp_fsf_request_timeout_handler(struct timer_list *t) { struct zfcp_fsf_req *fsf_req = from_timer(fsf_req, t, timer); @@ -236,10 +241,15 @@ static void zfcp_fsf_status_read_handler(struct zfcp_fsf_req *req) case FSF_STATUS_READ_SENSE_DATA_AVAIL: break; case FSF_STATUS_READ_BIT_ERROR_THRESHOLD: - dev_warn(&adapter->ccw_device->dev, - "The error threshold for checksum statistics " - "has been exceeded\n"); zfcp_dbf_hba_bit_err("fssrh_3", req); + if (ber_stop) { + dev_warn(&adapter->ccw_device->dev, + "All paths over this FCP device are disused because of excessive bit errors\n"); + zfcp_erp_adapter_shutdown(adapter, 0, "fssrh_b"); + } else { + dev_warn(&adapter->ccw_device->dev, + "The error threshold for checksum statistics has been exceeded\n"); + } break; case FSF_STATUS_READ_LINK_DOWN: zfcp_fsf_status_read_link_down(req); |