From 2a5679df532dcde606145516eedca591769086ec Mon Sep 17 00:00:00 2001 From: Vladislav Bolkhovitin Date: Wed, 6 May 2015 00:48:42 +0000 Subject: [PATCH] T10-PI clarifications git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6200 d57e44dd-8a1f-0410-8b47-8ef2f437770f --- scst/README | 6 ++++-- scst/README_in-tree | 6 ++++-- 2 files changed, 8 insertions(+), 4 deletions(-) diff --git a/scst/README b/scst/README index 544f031f9..5fd03b38a 100644 --- a/scst/README +++ b/scst/README @@ -1028,10 +1028,12 @@ cache. The following parameters possible for vdisk_fileio: * scst - DIF tags are checked inside SCST core - * dev_check - DIF tags are checked inside backend device + * dev_check - DIF tags are checked inside backend device. No DIF + tags storing is required, but optionally possible. * dev_store - DIF tags are stored inside backend device on the WRITE - path and read from it on the READ path + path and read from it on the READ path. No DIF tags checking is + required, but optionally possible. For instance, if only tgt DIF mode specified, then target driver, serving this device, will inside hardware check, then STRIP DIF tags diff --git a/scst/README_in-tree b/scst/README_in-tree index 7f8ff81a7..2f1a0acf6 100644 --- a/scst/README_in-tree +++ b/scst/README_in-tree @@ -900,10 +900,12 @@ cache. The following parameters possible for vdisk_fileio: * scst - DIF tags are checked inside SCST core - * dev_check - DIF tags are checked inside backend device + * dev_check - DIF tags are checked inside backend device. No DIF + tags storing is required, but optionally possible. * dev_store - DIF tags are stored inside backend device on the WRITE - path and read from it on the READ path + path and read from it on the READ path. No DIF tags checking is + required, but optionally possible. For instance, if only tgt DIF mode specified, then target driver, serving this device, will inside hardware check, then STRIP DIF tags