Commit 511e44f4 authored by Martin K. Petersen's avatar Martin K. Petersen Committed by James Bottomley
Browse files

[SCSI] Do not retry a request whose data integrity check failed



If initiator or target reject the I/O due to DIF errors there is no
point in retrying.
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 7027ad72
......@@ -344,6 +344,9 @@ static int scsi_check_sense(struct scsi_cmnd *scmd)
return /* soft_error */ SUCCESS;
case ABORTED_COMMAND:
if (sshdr.asc == 0x10) /* DIF */
return SUCCESS;
return NEEDS_RETRY;
case NOT_READY:
case UNIT_ATTENTION:
......
......@@ -950,9 +950,14 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
* 6-byte command.
*/
scsi_requeue_command(q, cmd);
return;
} else {
} else if (sshdr.asc == 0x10) /* DIX */
scsi_end_request(cmd, -EIO, this_count, 0);
else
scsi_end_request(cmd, -EIO, this_count, 1);
return;
case ABORTED_COMMAND:
if (sshdr.asc == 0x10) { /* DIF */
scsi_end_request(cmd, -EIO, this_count, 0);
return;
}
break;
......
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