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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46322C433FE for ; Tue, 4 Oct 2022 07:20:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229716AbiJDHUT (ORCPT ); Tue, 4 Oct 2022 03:20:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37922 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229620AbiJDHUP (ORCPT ); Tue, 4 Oct 2022 03:20:15 -0400 Received: from spam1.phison.com (spam1.phison.com [60.249.103.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 177551CFDD for ; Tue, 4 Oct 2022 00:20:12 -0700 (PDT) Received: from pps.filterd (phisonpps.phison.com [127.0.0.1]) by phisonpps.phison.com (8.17.1.5/8.17.1.5) with ESMTP id 293NSxah098667 for ; Tue, 4 Oct 2022 15:20:08 +0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=phison.com; h=from : to : cc : subject : date : message-id : references : in-reply-to : content-type : content-transfer-encoding : mime-version; s=PPSPHISON20220831; bh=Pw3UlxjSUTapMC83rK2kAMvh3ej/oP4TzKQHhAUNujQ=; b=QX+My/XP/4UZWDsnom9lxX2KF2uMH5+3h1XJ87OrUlbShvJnP8ZipTf1HovLaeeYVtfC y1KCCT6Do0Hms7o+L0JeCpz20NOd4gze7utZbCK96rlGucyu6NWJwDlCbYNGAr91Uy7P CucbeKbWk1ghHBuQGPwCSwzGKPFYbuzFQGpJQISnMTEtoKhPlN4rkg3fEnPRJxIFWn5x LSGi4RJXoS81xkE8aKUo+x1dKjT20VyJCqhc3SH8E/3+mhubER3cYzJoTKI59xed1PQn nbHWUbowKsGL/bHABcwkKMOzOLegD8Eq9VtJg5GKVvEt7aEjPzkFxL6QMmCF1zNyUL81 RQ== Received: from spam1.phison.com ([192.168.10.11]) by phisonpps.phison.com (PPS) with ESMTPS id 3jys94t39f-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 04 Oct 2022 15:20:07 +0800 X-UUID: 71db42a0126f467897e221408210a5b0-20221004 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.11,REQID:3e521f7d-83a2-4820-8c93-75a4e5407646,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:8c25071f-b96c-4512-b576-5860f4fb25e5,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0 X-UUID: 71db42a0126f467897e221408210a5b0-20221004 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 885214815; Tue, 04 Oct 2022 15:20:03 +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; Tue, 4 Oct 2022 15:20:02 +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; Tue, 4 Oct 2022 15:20:02 +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: AQHY0kHS5oNwRgsGI06uVIp7z1+XBa391xOg Date: Tue, 4 Oct 2022 07:20:01 +0000 Message-ID: <1a5c4e8559d0495eb78479cd18fcbe95@ExMBX2.phison.com> References: <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> <2b685d5ccb6e492b938c1c10ce378430@ExMBX2.phison.com> <20220927070822.GA15262@lst.de> <3aeb692e9037462b9f9a23a60277b80c@ExMBX2.phison.com> <20220927072141.GA16372@lst.de> In-Reply-To: <20220927072141.GA16372@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-Proofpoint-ORIG-GUID: NQTJdwnTkKlKGe9VrPTzGwo6owMIk6VX X-Proofpoint-GUID: NQTJdwnTkKlKGe9VrPTzGwo6owMIk6VX X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 adultscore=0 impostorscore=0 spamscore=0 lowpriorityscore=0 mlxscore=0 bulkscore=0 clxscore=1011 suspectscore=0 mlxlogscore=745 priorityscore=1501 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2209130000 definitions=main-2210040046 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SGkgQ2hyaXN0b3BoDQoNCldvdWxkIHlvdSBwbGVhc2Ugc2hhcmUgdGhlIHBhdGNoIG1vZGlmaWVk IGxpbmsgb24gR2Vycml0IFNlcnZlciB0byB1cz8NCkluIHRoZSBtZWFudGltZSwgd291bGQgeW91 IHBsZWFzZSBjb25maXJtIGlmIG52bWUtNi4wIGJyYW5jaCBjYW4gYmUgY2hlcnJ5LXBpY2sgdG8g YWxsIGNocm9tZSBicmFuY2g/DQpUaGFuayB5b3UuDQoNClJpdGEgTGluwdbdvezTDQorODg2LTM3 LTU4Ni04OTYgRXh0LjgwMDUxDQpyaXRhY2hfbGluQHBoaXNvbi5jb20NCg0KDQotLS0tLU9yaWdp bmFsIE1lc3NhZ2UtLS0tLQ0KRnJvbTogQ2hyaXN0b3BoIEhlbGx3aWcgW21haWx0bzpoY2hAbHN0 LmRlXQ0KU2VudDogVHVlc2RheSwgU2VwdGVtYmVyIDI3LCAyMDIyIDM6MjIgUE0NClRvOiBSaXRh IExpbiA8cml0YWNoX2xpbkBwaGlzb24uY29tPg0KQ2M6IENocmlzdG9waCBIZWxsd2lnIDxoY2hA bHN0LmRlPjsgS2VpdGggQnVzY2ggPGtidXNjaEBrZXJuZWwub3JnPjsgSmVucyBBeGJvZSA8YXhi b2VAZmIuY29tPjsgU2FnaSBHcmltYmVyZyA8c2FnaUBncmltYmVyZy5tZT47IGxpbnV4LW52bWVA bGlzdHMuaW5mcmFkZWFkLm9yZzsgbGludXgta2VybmVsQHZnZXIua2VybmVsLm9yZzsg/FPqyax8 IDxyZWRkX2h1YW5nQHBoaXNvbi5jb20+OyBUaW5hIEhzdSA8dGluYV9oc3VAcGhpc29uLmNvbT47 IFZpdGEgSHN1ZWggKNGm0sHZuykgPFZpdGEuSHN1ZWhAcXVhbnRhdHcuY29tPjsgV2FuZywgQXVk cmV5IDxhdWRyZXkud2FuZ0BocC5jb20+DQpTdWJqZWN0OiBSZTogbnZtZS1wY2k6IGRpc2FibGUg d3JpdGUgemVyb3Mgc3VwcG9ydCBvbiBTU0RzDQoNClRoYW5rcywgSSd2ZSB1cGRhdGUgdGhlIGNv bW1pdCBtZXNzYWdlIGEgYml0IGFuZCBhcHBsaWVkIGl0IHRvIHRoZQ0KbnZtZS02LjAgYnJhbmNo Lg0KDQoNCg0KVGhpcyBtZXNzYWdlIGFuZCBhbnkgYXR0YWNobWVudHMgYXJlIGNvbmZpZGVudGlh bCBhbmQgbWF5IGJlIGxlZ2FsbHkgcHJpdmlsZWdlZC4gQW55IHVuYXV0aG9yaXplZCByZXZpZXcs IHVzZSBvciBkaXN0cmlidXRpb24gYnkgYW55b25lIG90aGVyIHRoYW4gdGhlIGludGVuZGVkIHJl Y2lwaWVudCBpcyBzdHJpY3RseSBwcm9oaWJpdGVkLiBJZiB5b3UgYXJlIG5vdCB0aGUgaW50ZW5k ZWQgcmVjaXBpZW50LCBwbGVhc2UgaW1tZWRpYXRlbHkgbm90aWZ5IHRoZSBzZW5kZXIsIGNvbXBs ZXRlbHkgZGVsZXRlIHRoZSBtZXNzYWdlIGFuZCBhbnkgYXR0YWNobWVudHMsIGFuZCBkZXN0cm95 IGFsbCBjb3BpZXMuIFlvdXIgY29vcGVyYXRpb24gd2lsbCBiZSBoaWdobHkgYXBwcmVjaWF0ZWQu DQo=