From patchwork Fri Oct 23 20:57:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Disseldorp X-Patchwork-Id: 287075 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 81B61C388F9 for ; Fri, 23 Oct 2020 20:57:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 28F652098B for ; Fri, 23 Oct 2020 20:57:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755527AbgJWU5e (ORCPT ); Fri, 23 Oct 2020 16:57:34 -0400 Received: from mx2.suse.de ([195.135.220.15]:41942 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755398AbgJWU5e (ORCPT ); Fri, 23 Oct 2020 16:57:34 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 4E216AD1E; Fri, 23 Oct 2020 20:57:33 +0000 (UTC) From: David Disseldorp To: target-devel@vger.kernel.org Cc: linux-scsi@vger.kernel.org Subject: [PATCH 0/5] scsi: target: COMPARE AND WRITE miscompare sense Date: Fri, 23 Oct 2020 22:57:18 +0200 Message-Id: <20201023205723.17880-1-ddiss@suse.de> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org This patchset adds missing functionality to return the offset of non-matching read/compare data in the sense INFORMATION field on COMPARE AND WRITE miscompare. The functionality can be tested using the libiscsi CompareAndWrite.MiscompareSense test proposed via: https://github.com/sahlberg/libiscsi/pull/344 Cheers, David drivers/target/target_core_sbc.c | 134 +++++++++++++++---------- drivers/target/target_core_transport.c | 33 +++--- include/target/target_core_base.h | 2 +- lib/scatterlist.c | 2 +- 4 files changed, 102 insertions(+), 69 deletions(-)