From: Mike Christie Date: Fri, 12 Aug 2022 01:00:27 +0000 (-0500) Subject: scsi: core: Remove useless host error codes X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=68a3a9102a6891635fa7595ce78808e57b66fc6f;p=linux.git scsi: core: Remove useless host error codes The host codes that were supposed to only be used for internal use are now not used, so remove them. Link: https://lore.kernel.org/r/20220812010027.8251-11-michael.christie@oracle.com Reviewed-by: Bart Van Assche Signed-off-by: Mike Christie Signed-off-by: Martin K. Petersen --- diff --git a/include/scsi/scsi_status.h b/include/scsi/scsi_status.h index 31d30cee18691..9cb85262de64f 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 */ };