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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 26912C433E0 for ; Tue, 9 Feb 2021 09:38:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C824464E4F for ; Tue, 9 Feb 2021 09:38:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230296AbhBIJhh (ORCPT ); Tue, 9 Feb 2021 04:37:37 -0500 Received: from verein.lst.de ([213.95.11.211]:45717 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229917AbhBIJf1 (ORCPT ); Tue, 9 Feb 2021 04:35:27 -0500 Received: by verein.lst.de (Postfix, from userid 2407) id 0B90868BFE; Tue, 9 Feb 2021 10:34:38 +0100 (CET) Date: Tue, 9 Feb 2021 10:34:38 +0100 From: Christoph Hellwig To: Ruan Shiyang Cc: Christoph Hellwig , linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-nvdimm@lists.01.org, linux-fsdevel@vger.kernel.org, darrick.wong@oracle.com, dan.j.williams@intel.com, willy@infradead.org, jack@suse.cz, viro@zeniv.linux.org.uk, linux-btrfs@vger.kernel.org, ocfs2-devel@oss.oracle.com, david@fromorbit.com, rgoldwyn@suse.de, Goldwyn Rodrigues Subject: Re: [PATCH 5/7] fsdax: Dedup file range to use a compare function Message-ID: <20210209093438.GA630@lst.de> References: <20210207170924.2933035-1-ruansy.fnst@cn.fujitsu.com> <20210207170924.2933035-6-ruansy.fnst@cn.fujitsu.com> <20210208151920.GE12872@lst.de> <9193e305-22a1-3928-0675-af1cecd28942@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9193e305-22a1-3928-0675-af1cecd28942@cn.fujitsu.com> User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Tue, Feb 09, 2021 at 05:15:13PM +0800, Ruan Shiyang wrote: > The dax dedupe comparison need the iomap_ops pointer as argument, so my > understanding is that we don't modify the argument list of > generic_remap_file_range_prep(), but move its code into > __generic_remap_file_range_prep() whose argument list can be modified to > accepts the iomap_ops pointer. Then it looks like this: I'd say just add the iomap_ops pointer to generic_remap_file_range_prep and do away with the extra wrappers. We only have three callers anyway. 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=-2.3 required=3.0 tests=BAYES_20, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 39B70C433E0 for ; Tue, 9 Feb 2021 09:34:45 +0000 (UTC) Received: from ml01.01.org (ml01.01.org [198.145.21.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6767164E16 for ; Tue, 9 Feb 2021 09:34:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6767164E16 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvdimm-bounces@lists.01.org Received: from ml01.vlan13.01.org (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 0F2FA100EAB55; Tue, 9 Feb 2021 01:34:44 -0800 (PST) Received-SPF: None (mailfrom) identity=mailfrom; client-ip=213.95.11.211; helo=verein.lst.de; envelope-from=hch@lst.de; receiver= Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 37415100EAB4D for ; Tue, 9 Feb 2021 01:34:41 -0800 (PST) Received: by verein.lst.de (Postfix, from userid 2407) id 0B90868BFE; Tue, 9 Feb 2021 10:34:38 +0100 (CET) Date: Tue, 9 Feb 2021 10:34:38 +0100 From: Christoph Hellwig To: Ruan Shiyang Subject: Re: [PATCH 5/7] fsdax: Dedup file range to use a compare function Message-ID: <20210209093438.GA630@lst.de> References: <20210207170924.2933035-1-ruansy.fnst@cn.fujitsu.com> <20210207170924.2933035-6-ruansy.fnst@cn.fujitsu.com> <20210208151920.GE12872@lst.de> <9193e305-22a1-3928-0675-af1cecd28942@cn.fujitsu.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <9193e305-22a1-3928-0675-af1cecd28942@cn.fujitsu.com> User-Agent: Mutt/1.5.17 (2007-11-01) Message-ID-Hash: SZROXHL5JBQP4NALBYXYS5A3ADVDOMDB X-Message-ID-Hash: SZROXHL5JBQP4NALBYXYS5A3ADVDOMDB X-MailFrom: hch@lst.de X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation CC: Christoph Hellwig , linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-nvdimm@lists.01.org, linux-fsdevel@vger.kernel.org, darrick.wong@oracle.com, willy@infradead.org, jack@suse.cz, viro@zeniv.linux.org.uk, linux-btrfs@vger.kernel.org, ocfs2-devel@oss.oracle.com, david@fromorbit.com, rgoldwyn@suse.de, Goldwyn Rodrigues X-Mailman-Version: 3.1.1 Precedence: list List-Id: "Linux-nvdimm developer list." Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Tue, Feb 09, 2021 at 05:15:13PM +0800, Ruan Shiyang wrote: > The dax dedupe comparison need the iomap_ops pointer as argument, so my > understanding is that we don't modify the argument list of > generic_remap_file_range_prep(), but move its code into > __generic_remap_file_range_prep() whose argument list can be modified to > accepts the iomap_ops pointer. Then it looks like this: I'd say just add the iomap_ops pointer to generic_remap_file_range_prep and do away with the extra wrappers. We only have three callers anyway. _______________________________________________ Linux-nvdimm mailing list -- linux-nvdimm@lists.01.org To unsubscribe send an email to linux-nvdimm-leave@lists.01.org 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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 19B95C433DB for ; Tue, 9 Feb 2021 09:34:50 +0000 (UTC) Received: from userp2130.oracle.com (userp2130.oracle.com [156.151.31.86]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 61D9864E16 for ; Tue, 9 Feb 2021 09:34:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 61D9864E16 Authentication-Results: mail.kernel.org; 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Tue, 9 Feb 2021 10:34:38 +0100 (CET) Date: Tue, 9 Feb 2021 10:34:38 +0100 From: Christoph Hellwig To: Ruan Shiyang Message-ID: <20210209093438.GA630@lst.de> References: <20210207170924.2933035-1-ruansy.fnst@cn.fujitsu.com> <20210207170924.2933035-6-ruansy.fnst@cn.fujitsu.com> <20210208151920.GE12872@lst.de> <9193e305-22a1-3928-0675-af1cecd28942@cn.fujitsu.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <9193e305-22a1-3928-0675-af1cecd28942@cn.fujitsu.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-PDR: PASS X-Source-IP: 213.95.11.211 X-ServerName: verein.lst.de X-Proofpoint-SPF-Result: None X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=9889 signatures=668683 X-Proofpoint-Spam-Details: rule=tap_notspam policy=tap score=0 lowpriorityscore=0 adultscore=0 spamscore=0 bulkscore=0 clxscore=348 malwarescore=0 suspectscore=0 priorityscore=30 mlxscore=0 mlxlogscore=694 impostorscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2102090046 X-Spam: Clean Cc: jack@suse.cz, linux-nvdimm@lists.01.org, darrick.wong@oracle.com, david@fromorbit.com, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, ocfs2-devel@oss.oracle.com, viro@zeniv.linux.org.uk, Goldwyn Rodrigues , linux-fsdevel@vger.kernel.org, dan.j.williams@intel.com, linux-btrfs@vger.kernel.org Subject: Re: [Ocfs2-devel] [PATCH 5/7] fsdax: Dedup file range to use a compare function X-BeenThere: ocfs2-devel@oss.oracle.com X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: ocfs2-devel-bounces@oss.oracle.com Errors-To: ocfs2-devel-bounces@oss.oracle.com X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=9889 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 spamscore=0 phishscore=0 mlxscore=0 malwarescore=0 mlxlogscore=999 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2102090046 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=9889 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 impostorscore=0 priorityscore=1501 bulkscore=0 suspectscore=0 mlxscore=0 phishscore=0 lowpriorityscore=0 mlxlogscore=999 clxscore=1034 spamscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2102090046 On Tue, Feb 09, 2021 at 05:15:13PM +0800, Ruan Shiyang wrote: > The dax dedupe comparison need the iomap_ops pointer as argument, so my > understanding is that we don't modify the argument list of > generic_remap_file_range_prep(), but move its code into > __generic_remap_file_range_prep() whose argument list can be modified to > accepts the iomap_ops pointer. Then it looks like this: I'd say just add the iomap_ops pointer to generic_remap_file_range_prep and do away with the extra wrappers. We only have three callers anyway. _______________________________________________ Ocfs2-devel mailing list Ocfs2-devel@oss.oracle.com https://oss.oracle.com/mailman/listinfo/ocfs2-devel