diff options
Diffstat (limited to 'drivers/scsi/scsi_error.c')
| -rw-r--r-- | drivers/scsi/scsi_error.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index f31d868f9362..a5d630f5f519 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -306,7 +306,20 @@ static int scsi_check_sense(struct scsi_cmnd *scmd) if (scmd->device->allow_restart && (sshdr.asc == 0x04) && (sshdr.ascq == 0x02)) return FAILED; - return SUCCESS; + + if (blk_barrier_rq(scmd->request)) + /* + * barrier requests should always retry on UA + * otherwise block will get a spurious error + */ + return NEEDS_RETRY; + else + /* + * for normal (non barrier) commands, pass the + * UA upwards for a determination in the + * completion functions + */ + return SUCCESS; /* these three are not supported */ case COPY_ABORTED: |