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=-13.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 79506C433E0 for ; Sat, 1 Aug 2020 08:52:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5DB2A20716 for ; Sat, 1 Aug 2020 08:52:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728595AbgHAIwZ (ORCPT ); Sat, 1 Aug 2020 04:52:25 -0400 Received: from mail.cn.fujitsu.com ([183.91.158.132]:3428 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725931AbgHAIwY (ORCPT ); Sat, 1 Aug 2020 04:52:24 -0400 X-IronPort-AV: E=Sophos;i="5.75,420,1589212800"; d="scan'208";a="97330054" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 01 Aug 2020 16:52:23 +0800 Received: from G08CNEXMBPEKD04.g08.fujitsu.local (unknown [10.167.33.201]) by cn.fujitsu.com (Postfix) with ESMTP id EEBE949B1116 for ; Sat, 1 Aug 2020 16:52:21 +0800 (CST) Received: from localhost.localdomain (10.167.220.84) by G08CNEXMBPEKD04.g08.fujitsu.local (10.167.33.201) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 1 Aug 2020 16:52:24 +0800 From: Yang Xu To: CC: Yang Xu Subject: [PATCH] loop.4: Document LO_FLAGS_DIRECT_IO flag Date: Sat, 1 Aug 2020 16:52:24 +0800 Message-ID: <1596271944-1420-1-git-send-email-xuyang2018.jy@cn.fujitsu.com> X-Mailer: git-send-email 1.8.3.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.167.220.84] X-ClientProxiedBy: G08CNEXCHPEKD06.g08.fujitsu.local (10.167.33.205) To G08CNEXMBPEKD04.g08.fujitsu.local (10.167.33.201) X-yoursite-MailScanner-ID: EEBE949B1116.AEEF1 X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: xuyang2018.jy@cn.fujitsu.com Sender: linux-man-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-man@vger.kernel.org Signed-off-by: Yang Xu --- man4/loop.4 | 3 +++ 1 file changed, 3 insertions(+) diff --git a/man4/loop.4 b/man4/loop.4 index a3c59310d..2dcbac807 100644 --- a/man4/loop.4 +++ b/man4/loop.4 @@ -130,6 +130,9 @@ The loopback device will autodestruct on last close. .BR LO_FLAGS_PARTSCAN " (since Linux 3.2)" .\" commit e03c8dd14915fabc101aa495828d58598dc5af98 Allow automatic partition scanning. +.BR LO_FLAGS_DIRECT_IO " (since Linux 4.10)" +.\" commit 2e5ab5f379f96a6207c45be40c357ebb1beb8ef3 +Use direct io mode to access backing file. .RE .TP .B LOOP_GET_STATUS -- 2.23.0