On 8/3/22 20:41, Mike Christie wrote:
The host codes that were supposed to only be used for internal use are
now not used, so remove them.
Signed-off-by: Mike Christie <michael.christie@xxxxxxxxxx>
---
include/scsi/scsi_status.h | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/include/scsi/scsi_status.h b/include/scsi/scsi_status.h
index 31d30cee1869..9cb85262de64 100644
--- a/include/scsi/scsi_status.h
+++ b/include/scsi/scsi_status.h
@@ -62,12 +62,12 @@ enum scsi_host_status {
* recover the link. Transport class will
* retry or fail IO */
DID_TRANSPORT_FAILFAST = 0x0f, /* Transport class fastfailed the io */
- DID_TARGET_FAILURE = 0x10, /* Permanent target failure, do not retry on
- * other paths */
- DID_NEXUS_FAILURE = 0x11, /* Permanent nexus failure, retry on other
- * paths might yield different results */
- DID_ALLOC_FAILURE = 0x12, /* Space allocation on the device failed */
- DID_MEDIUM_ERROR = 0x13, /* Medium error */
+ /*
+ * We used to have DID_TARGET_FAILURE, DID_NEXUS_FAILURE,
+ * DID_ALLOC_FAILURE and DID_MEDIUM_ERROR at 0x10 - 0x13. For compat
+ * with userspace apps that parse the host byte for SG IO, we leave
+ * that block of codes unused and start at 0x14 below.
+ */
DID_TRANSPORT_MARGINAL = 0x14, /* Transport marginal errors */
};
Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx>
