From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, 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 71595C18DF5 for ; Tue, 20 Nov 2018 14:58:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EBD1A206BA for ; Tue, 20 Nov 2018 14:58:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EBD1A206BA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726224AbeKUB16 (ORCPT ); Tue, 20 Nov 2018 20:27:58 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:15565 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725999AbeKUB16 (ORCPT ); Tue, 20 Nov 2018 20:27:58 -0500 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 513A3A5693F9E; Tue, 20 Nov 2018 22:58:21 +0800 (CST) Received: from localhost.localdomain (10.67.212.75) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.408.0; Tue, 20 Nov 2018 22:58:12 +0800 From: John Garry To: , CC: , , , John Garry Subject: [PATCH 1/4] scsi: Add scsi_prot_op_normal() Date: Tue, 20 Nov 2018 22:59:01 +0800 Message-ID: <1542725944-244183-2-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1542725944-244183-1-git-send-email-john.garry@huawei.com> References: <1542725944-244183-1-git-send-email-john.garry@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.212.75] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It is a common pattern to check if a Scsi command protection option is "normal", i.e. regular IO. Add a common simple wrapper for this. Signed-off-by: John Garry --- include/scsi/scsi_cmnd.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index c891ada..3b26ea1 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -271,6 +271,11 @@ static inline unsigned char scsi_get_prot_op(struct scsi_cmnd *scmd) return scmd->prot_op; } +static inline bool scsi_prot_op_normal(struct scsi_cmnd *scmd) +{ + return scmd->prot_op == SCSI_PROT_NORMAL; +} + enum scsi_prot_flags { SCSI_PROT_TRANSFER_PI = 1 << 0, SCSI_PROT_GUARD_CHECK = 1 << 1, -- 1.9.1