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=-1.4 required=3.0 tests=BAYES_50, 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 CBB1DC433DB for ; Wed, 10 Feb 2021 13:19:34 +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 5895164E77 for ; Wed, 10 Feb 2021 13:19:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5895164E77 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 1F105100EAB69; Wed, 10 Feb 2021 05:19:34 -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 E4C63100EB32C for ; Wed, 10 Feb 2021 05:19:31 -0800 (PST) Received: by verein.lst.de (Postfix, from userid 2407) id E84686736F; Wed, 10 Feb 2021 14:19:28 +0100 (CET) Date: Wed, 10 Feb 2021 14:19:28 +0100 From: Christoph Hellwig To: Ruan Shiyang Subject: Re: [PATCH 5/7] fsdax: Dedup file range to use a compare function Message-ID: <20210210131928.GA30109@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> <20210209093438.GA630@lst.de> <79b0d65c-95dd-4821-e412-ab27c8cb6942@cn.fujitsu.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <79b0d65c-95dd-4821-e412-ab27c8cb6942@cn.fujitsu.com> User-Agent: Mutt/1.5.17 (2007-11-01) Message-ID-Hash: 4XNKDV3C57O4YRW6HC4TEM53DWPKP2MQ X-Message-ID-Hash: 4XNKDV3C57O4YRW6HC4TEM53DWPKP2MQ 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="utf-8" Content-Transfer-Encoding: base64 T24gVHVlLCBGZWIgMDksIDIwMjEgYXQgMDU6NDY6MTNQTSArMDgwMCwgUnVhbiBTaGl5YW5nIHdy b3RlOg0KPg0KPg0KPiBPbiAyMDIxLzIvOSDkuIvljYg1OjM0LCBDaHJpc3RvcGggSGVsbHdpZyB3 cm90ZToNCj4+IE9uIFR1ZSwgRmViIDA5LCAyMDIxIGF0IDA1OjE1OjEzUE0gKzA4MDAsIFJ1YW4g U2hpeWFuZyB3cm90ZToNCj4+PiBUaGUgZGF4IGRlZHVwZSBjb21wYXJpc29uIG5lZWQgdGhlIGlv bWFwX29wcyBwb2ludGVyIGFzIGFyZ3VtZW50LCBzbyBteQ0KPj4+IHVuZGVyc3RhbmRpbmcgaXMg dGhhdCB3ZSBkb24ndCBtb2RpZnkgdGhlIGFyZ3VtZW50IGxpc3Qgb2YNCj4+PiBnZW5lcmljX3Jl bWFwX2ZpbGVfcmFuZ2VfcHJlcCgpLCBidXQgbW92ZSBpdHMgY29kZSBpbnRvDQo+Pj4gX19nZW5l cmljX3JlbWFwX2ZpbGVfcmFuZ2VfcHJlcCgpIHdob3NlIGFyZ3VtZW50IGxpc3QgY2FuIGJlIG1v ZGlmaWVkIHRvDQo+Pj4gYWNjZXB0cyB0aGUgaW9tYXBfb3BzIHBvaW50ZXIuICBUaGVuIGl0IGxv b2tzIGxpa2UgdGhpczoNCj4+DQo+PiBJJ2Qgc2F5IGp1c3QgYWRkIHRoZSBpb21hcF9vcHMgcG9p bnRlciB0bw0KPj4gZ2VuZXJpY19yZW1hcF9maWxlX3JhbmdlX3ByZXAgYW5kIGRvIGF3YXkgd2l0 aCB0aGUgZXh0cmEgd3JhcHBlcnMuICBXZQ0KPj4gb25seSBoYXZlIHRocmVlIGNhbGxlcnMgYW55 d2F5Lg0KPg0KPiBPSy4NCg0KU28gbG9va2luZyBhdCB0aGlzIGFnYWluIEkgdGhpbmsgeW91ciBw cm9wb3NhbCBhY3RhdWxseSBpcyBiZXR0ZXIsDQpnaXZlbiB0aGF0IHRoZSBpb21hcCB2YXJpYW50 IGlzIHN0aWxsIERBWCBzcGVjaWZpYy4gIFNvcnJ5IGZvcg0KdGhlIG5vaXNlLg0KDQpBbHNvIEkg dGhpbmsgZGF4X2ZpbGVfcmFuZ2VfY29tcGFyZSBzaG91bGQgdXNlIGlvbWFwX2FwcGx5IGluc3Rl YWQNCm9mIG9wZW4gY29kaW5nIGl0LgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpMaW51eC1udmRpbW0gbWFpbGluZyBsaXN0IC0tIGxpbnV4LW52ZGltbUBs aXN0cy4wMS5vcmcKVG8gdW5zdWJzY3JpYmUgc2VuZCBhbiBlbWFpbCB0byBsaW51eC1udmRpbW0t bGVhdmVAbGlzdHMuMDEub3JnCg==