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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 40F3CC6FA82 for ; Fri, 23 Sep 2022 06:16:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:MIME-Version: Content-Transfer-Encoding:Content-Type:In-Reply-To:References:Message-ID:Date :Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=c7Zg4WfQgTO9t7BU1e8OVrW64EFtAfAbPlubEtZKdpk=; b=Gmfc+I1HdQBYP8VFu0jvfdS54s scseP8EDo6Y45uilispOIpx6ZWJIyS0QLEJ+FEstkDNw0IGsTP3xcdxlRKhE5c0n8MbJgkdrykao7 J20CnkO0WkRGMfzYowAzmkB60uzA48V5QytUgvtr/s+UCV/4dAeah/iz20zmB8Rj9H2Ojiy/2en+L 9epBGdAEqYW9NnoZuW/OGgz9YKk6Xn/7Sv2QGAhylgbu7eTkgQJ80WkF+L9dRoNfS7rqDvVffkkqH 0nXtMeKis2WKpBBFJadBi0p8ld/sB9e+/pCJD0MP5eUkY0L9AxVDC+veBIK221B18euEVzxCEo0C8 kCg/cZyw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1obbyy-002QJ2-MM; Fri, 23 Sep 2022 06:16:16 +0000 Received: from spam1.phison.com ([60.249.103.136]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1obbyu-002QHS-Rf for linux-nvme@lists.infradead.org; Fri, 23 Sep 2022 06:16:14 +0000 X-UUID: 2c322588028743f6a294428bfaff513f-20220923 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.11,REQID:3994f220-7937-4cd3-919b-7a0981c8dcd8,IP:0,U RL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:-5 X-CID-META: VersionHash:39a5ff1,CLOUDID:7ed4f9e3-87f9-4bb0-97b6-34957dc0fbbe,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0 X-UUID: 2c322588028743f6a294428bfaff513f-20220923 Received: from mail.phison.com [(192.168.1.113)] by spam1.phison.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 100404508; Fri, 23 Sep 2022 14:16:03 +0800 Received: from ExMBX2.phison.com (192.168.1.113) by ExMBX2.phison.com (192.168.1.113) with Microsoft SMTP Server (TLS) id 15.0.1497.38; Fri, 23 Sep 2022 14:16:02 +0800 Received: from ExMBX2.phison.com ([fe80::1518:aa7a:367f:18f7]) by ExMBX2.phison.com ([fe80::1518:aa7a:367f:18f7%23]) with mapi id 15.00.1497.040; Fri, 23 Sep 2022 14:16:02 +0800 From: Rita Lin To: Christoph Hellwig CC: Keith Busch , Jens Axboe , Sagi Grimberg , "linux-nvme@lists.infradead.org" , "linux-kernel@vger.kernel.org" , =?gb2312?B?/FPqyax8?= , Tina Hsu , =?gb2312?B?Vml0YSBIc3VlaCAo0abSwdm7KQ==?= , "Wang, Audrey" Subject: RE: nvme-pci: disable write zeros support on SSDs Thread-Topic: nvme-pci: disable write zeros support on SSDs Thread-Index: AQHYzxNtQi5UhZQ6SUWSK6rbmXfzH63siVcw Date: Fri, 23 Sep 2022 06:16:01 +0000 Message-ID: <2b685d5ccb6e492b938c1c10ce378430@ExMBX2.phison.com> References: <36fd82e8780742c2881f078f98110e5e@ExMBX2.phison.com> <20220922053137.GA27191@lst.de> <53e4a6192bf746af839d8da90917a248@ExMBX2.phison.com> <20220922055231.GA27560@lst.de> <1c9807fea3424be486190a99c923a228@ExMBX2.phison.com> <20220922142626.GB28397@lst.de> <97217d166814421d9de587e84c328580@ExMBX2.phison.com> <20220923061130.GA15835@lst.de> In-Reply-To: <20220923061130.GA15835@lst.de> Accept-Language: zh-TW, en-US Content-Language: zh-TW X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [192.168.1.3] Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220922_231613_216068_E3574479 X-CRM114-Status: UNSURE ( 8.27 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org RGVhciBDaHJpc3RvcGgsDQoNClRoZSBzaWduZWQgb2ZmIGluZm9ybWF0aW9uIHdhcyBwdXQgaW4g bGluZSAxMCBpbiBwcmV2aW91cyBwYXRjaC4NCkkgd2FzIG5vdCBhYmxlIHRvIGF0dGFjaCBhbiBp bWFnZSB0byBpZGVudGlmeSB0aGUgbG9jYXRpb24gdG8geW91Lg0KDQpSaXRhIExpbsHW3b3s0w0K Kzg4Ni0zNy01ODYtODk2IEV4dC44MDA1MQ0Kcml0YWNoX2xpbkBwaGlzb24uY29tDQoNCg0KLS0t LS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCkZyb206IENocmlzdG9waCBIZWxsd2lnIFttYWlsdG86 aGNoQGxzdC5kZV0NClNlbnQ6IEZyaWRheSwgU2VwdGVtYmVyIDIzLCAyMDIyIDI6MTIgUE0NClRv OiBSaXRhIExpbiA8cml0YWNoX2xpbkBwaGlzb24uY29tPg0KQ2M6IENocmlzdG9waCBIZWxsd2ln IDxoY2hAbHN0LmRlPjsgS2VpdGggQnVzY2ggPGtidXNjaEBrZXJuZWwub3JnPjsgSmVucyBBeGJv ZSA8YXhib2VAZmIuY29tPjsgU2FnaSBHcmltYmVyZyA8c2FnaUBncmltYmVyZy5tZT47IGxpbnV4 LW52bWVAbGlzdHMuaW5mcmFkZWFkLm9yZzsgbGludXgta2VybmVsQHZnZXIua2VybmVsLm9yZzsg /FPqyax8IDxyZWRkX2h1YW5nQHBoaXNvbi5jb20+OyBUaW5hIEhzdSA8dGluYV9oc3VAcGhpc29u LmNvbT47IFZpdGEgSHN1ZWggKNGm0sHZuykgPFZpdGEuSHN1ZWhAcXVhbnRhdHcuY29tPjsgV2Fu ZywgQXVkcmV5IDxhdWRyZXkud2FuZ0BocC5jb20+DQpTdWJqZWN0OiBSZTogbnZtZS1wY2k6IGRp c2FibGUgd3JpdGUgemVyb3Mgc3VwcG9ydCBvbiBTU0RzDQoNCk9uIEZyaSwgU2VwIDIzLCAyMDIy IGF0IDAzOjE4OjUyQU0gKzAwMDAsIFJpdGEgTGluIHdyb3RlOg0KPiBEZWFyIENocmlzdG9waCwN Cj4NCj4gV2UgaGFkIGluY2x1ZGVkIHNpZ25lZCBvZmYgYnkgaW5mb3JtYXRpb24gaW4gdGhlIHBh dGNoLg0KDQpJJ3ZlIG5vdCBhY3R1YWxseSBmb3VuZCBhIHNpZ25vZmYgaW4gZWl0aGVyIHZlcnNp b24gb2YgdGhlIHBhdGNoLg0KDQoNClRoaXMgbWVzc2FnZSBhbmQgYW55IGF0dGFjaG1lbnRzIGFy ZSBjb25maWRlbnRpYWwgYW5kIG1heSBiZSBsZWdhbGx5IHByaXZpbGVnZWQuIEFueSB1bmF1dGhv cml6ZWQgcmV2aWV3LCB1c2Ugb3IgZGlzdHJpYnV0aW9uIGJ5IGFueW9uZSBvdGhlciB0aGFuIHRo ZSBpbnRlbmRlZCByZWNpcGllbnQgaXMgc3RyaWN0bHkgcHJvaGliaXRlZC4gSWYgeW91IGFyZSBu b3QgdGhlIGludGVuZGVkIHJlY2lwaWVudCwgcGxlYXNlIGltbWVkaWF0ZWx5IG5vdGlmeSB0aGUg c2VuZGVyLCBjb21wbGV0ZWx5IGRlbGV0ZSB0aGUgbWVzc2FnZSBhbmQgYW55IGF0dGFjaG1lbnRz LCBhbmQgZGVzdHJveSBhbGwgY29waWVzLiBZb3VyIGNvb3BlcmF0aW9uIHdpbGwgYmUgaGlnaGx5 IGFwcHJlY2lhdGVkLg0K