aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/scsi/scsi_error.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index d45c69ca573..7ad53fa4276 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -302,7 +302,20 @@ 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: