| Message ID | 20220816080801.13929-1-sreekanth.reddy@broadcom.com |
|---|---|
| State | New |
| Headers | show |
| Series | mpt3sas: Stop Error handler escalation when device removed | expand |
Sreekanth, > If SCSI Error Handler is going on for timedout I/Os on a drive and > that corresponding drive is removed then stop escalating to higher > level of reset by returning the TUR with "I_T NEXUS LOSS OCCURRED" > sense key. Applied to 6.1/scsi-staging, thanks!
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index e54747a..465603b 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -5156,6 +5156,19 @@ scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd) /* invalid device handle */ handle = sas_target_priv_data->handle; + + /* + * Avoid error handling escallation when device is disconnected + */ + if (handle == MPT3SAS_INVALID_DEVICE_HANDLE || sas_device_priv_data->block) { + if (scmd->device->host->shost_state == SHOST_RECOVERY && + scmd->cmnd[0] == TEST_UNIT_READY) { + scsi_build_sense(scmd, 0, UNIT_ATTENTION, 0x29, 0x07); + scsi_done(scmd); + return 0; + } + } + if (handle == MPT3SAS_INVALID_DEVICE_HANDLE) { scmd->result = DID_NO_CONNECT << 16; scsi_done(scmd);
If SCSI Error Handler is going on for timedout I/Os on a drive and that corresponding drive is removed then stop escalating to higher level of reset by returning the TUR with "I_T NEXUS LOSS OCCURRED" sense key. Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com> --- drivers/scsi/mpt3sas/mpt3sas_scsih.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)