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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,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 2C909C433EF for ; Thu, 23 Sep 2021 09:25:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 18EFA60F48 for ; Thu, 23 Sep 2021 09:25:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240169AbhIWJ1C (ORCPT ); Thu, 23 Sep 2021 05:27:02 -0400 Received: from out30-130.freemail.mail.aliyun.com ([115.124.30.130]:54628 "EHLO out30-130.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240164AbhIWJ1B (ORCPT ); Thu, 23 Sep 2021 05:27:01 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R151e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04394;MF=jefflexu@linux.alibaba.com;NM=1;PH=DS;RN=7;SR=0;TI=SMTPD_---0UpJaDcd_1632389128; Received: from localhost(mailfrom:jefflexu@linux.alibaba.com fp:SMTPD_---0UpJaDcd_1632389128) by smtp.aliyun-inc.com(127.0.0.1); Thu, 23 Sep 2021 17:25:29 +0800 From: Jeffle Xu To: vgoyal@redhat.com, stefanha@redhat.com, miklos@szeredi.hu Cc: linux-fsdevel@vger.kernel.org, virtio-fs@redhat.com, bo.liu@linux.alibaba.com, joseph.qi@linux.alibaba.com Subject: [PATCH v5 3/5] fuse: support per-file DAX Date: Thu, 23 Sep 2021 17:25:24 +0800 Message-Id: <20210923092526.72341-4-jefflexu@linux.alibaba.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210923092526.72341-1-jefflexu@linux.alibaba.com> References: <20210923092526.72341-1-jefflexu@linux.alibaba.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Expand the fuse protocol to support per-file DAX. FUSE_ATTR_DAX flag is added indicating if DAX shall be enabled for corresponding file when replying FUSE_LOOKUP request. Signed-off-by: Jeffle Xu --- include/uapi/linux/fuse.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/include/uapi/linux/fuse.h b/include/uapi/linux/fuse.h index 36ed092227fa..88dc24512124 100644 --- a/include/uapi/linux/fuse.h +++ b/include/uapi/linux/fuse.h @@ -184,6 +184,9 @@ * * 7.34 * - add FUSE_SYNCFS + * + * 7.35 + * - add FUSE_ATTR_DAX */ #ifndef _LINUX_FUSE_H @@ -219,7 +222,7 @@ #define FUSE_KERNEL_VERSION 7 /** Minor version number of this interface */ -#define FUSE_KERNEL_MINOR_VERSION 34 +#define FUSE_KERNEL_MINOR_VERSION 35 /** The node ID of the root inode */ #define FUSE_ROOT_ID 1 @@ -449,8 +452,10 @@ struct fuse_file_lock { * fuse_attr flags * * FUSE_ATTR_SUBMOUNT: Object is a submount root + * FUSE_ATTR_DAX: Enable DAX for this file in per-file DAX mode */ #define FUSE_ATTR_SUBMOUNT (1 << 0) +#define FUSE_ATTR_DAX (1 << 1) /** * Open flags -- 2.27.0 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeffle Xu Date: Thu, 23 Sep 2021 17:25:24 +0800 Message-Id: <20210923092526.72341-4-jefflexu@linux.alibaba.com> In-Reply-To: <20210923092526.72341-1-jefflexu@linux.alibaba.com> References: <20210923092526.72341-1-jefflexu@linux.alibaba.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" Subject: [Virtio-fs] [PATCH v5 3/5] fuse: support per-file DAX List-Id: Development discussions about virtio-fs List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: vgoyal@redhat.com, stefanha@redhat.com, miklos@szeredi.hu Cc: linux-fsdevel@vger.kernel.org, virtio-fs@redhat.com, joseph.qi@linux.alibaba.com Expand the fuse protocol to support per-file DAX. FUSE_ATTR_DAX flag is added indicating if DAX shall be enabled for corresponding file when replying FUSE_LOOKUP request. Signed-off-by: Jeffle Xu --- include/uapi/linux/fuse.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/include/uapi/linux/fuse.h b/include/uapi/linux/fuse.h index 36ed092227fa..88dc24512124 100644 --- a/include/uapi/linux/fuse.h +++ b/include/uapi/linux/fuse.h @@ -184,6 +184,9 @@ * * 7.34 * - add FUSE_SYNCFS + * + * 7.35 + * - add FUSE_ATTR_DAX */ #ifndef _LINUX_FUSE_H @@ -219,7 +222,7 @@ #define FUSE_KERNEL_VERSION 7 /** Minor version number of this interface */ -#define FUSE_KERNEL_MINOR_VERSION 34 +#define FUSE_KERNEL_MINOR_VERSION 35 /** The node ID of the root inode */ #define FUSE_ROOT_ID 1 @@ -449,8 +452,10 @@ struct fuse_file_lock { * fuse_attr flags * * FUSE_ATTR_SUBMOUNT: Object is a submount root + * FUSE_ATTR_DAX: Enable DAX for this file in per-file DAX mode */ #define FUSE_ATTR_SUBMOUNT (1 << 0) +#define FUSE_ATTR_DAX (1 << 1) /** * Open flags -- 2.27.0