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 603F1C433FE for ; Tue, 4 Oct 2022 07:32:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229819AbiJDHcP (ORCPT ); Tue, 4 Oct 2022 03:32:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55230 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229782AbiJDHcN (ORCPT ); Tue, 4 Oct 2022 03:32:13 -0400 Received: from spam1.phison.com (spam1.phison.com [60.249.103.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 195C62FC3A for ; Tue, 4 Oct 2022 00:32:10 -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 293MwNM1073549 for ; Tue, 4 Oct 2022 15:32:09 +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=I9l3O63Yv+w/rovYKpm+RlRcb6iVQde4FL/aJwERW/o=; b=E7Y1/dNlTj+BGwLDZDrpL4l0CcUuqY5hhb9MWSiFTEC5hnqTH99azQltIcmV3j6m8Wf+ R1y12W1O/BVBU6KIb+NdUkQXjoz27ZIiKolq3p1/TIeXePnsscqhDl7Ld2Uf3ckzOakq 55/TyO/aEp/8fLHX2Nll70b9OZbK6t8Ppo3NyNf8gM50hz8Wb7eeM++Z5omX6OkloQuV kFXyJi+ly9pT0rZxghIRmPnfZUEIAFIoEyRC25nb/0dWorBsOr8pZ3G7YbAJmW3CU2Xl AQzLkMwUiyc7f8DWSlTfeBFmaUor79JS9k52OOQEwNHxqjw1HzIGB63/snwyMABMrg5r 1Q== Received: from spam1.phison.com ([192.168.10.11]) by phisonpps.phison.com (PPS) with ESMTPS id 3jys94t44q-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 04 Oct 2022 15:32:09 +0800 X-UUID: 631f3f4674a74635bd6098787a2fd206-20221004 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.11,REQID:0f00a8e8-7156-4651-92b1-c9ebe0c9592c,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:e558e907-1cee-4c38-b21b-a45f9682fdc0,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:1,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0 X-UUID: 631f3f4674a74635bd6098787a2fd206-20221004 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 438133062; Tue, 04 Oct 2022 15:32:05 +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 15:32:04 +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 15:32:04 +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: AQHY18LoTUA//5yehkSdjvmkP8qjP6391t/g Date: Tue, 4 Oct 2022 07:32:03 +0000 Message-ID: References: <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> <1a5c4e8559d0495eb78479cd18fcbe95@ExMBX2.phison.com> <20221004072816.GA30470@lst.de> In-Reply-To: <20221004072816.GA30470@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: 7cvubgrVfgvnK-ShIbjzkppTYJV7FaQ8 X-Proofpoint-GUID: 7cvubgrVfgvnK-ShIbjzkppTYJV7FaQ8 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=1015 suspectscore=0 mlxlogscore=572 priorityscore=1501 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2209130000 definitions=main-2210040048 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org VGhpcyB3YXMgdGhlIHByZXZpb3VzIGxpbmsgd2UgcmVjZWl2ZWQgYXMgYW4gZXhhbXBsZSBmcm9t IG90aGVycy4NCmh0dHBzOi8vY2hyb21pdW0tcmV2aWV3Lmdvb2dsZXNvdXJjZS5jb20vYy9jaHJv bWl1bW9zL3RoaXJkX3BhcnR5L2tlcm5lbC8rLzM1MjgxODANCldvdWxkIGxpa2UgdG8gdW5kZXJz dGFuZCBpZiBvdXIgYXBwbGljYXRpb24gaGFzIHNvbWV0aGluZyBzaW1pbGFyLg0KDQpSaXRhIExp bsHW3b3s0w0KKzg4Ni0zNy01ODYtODk2IEV4dC44MDA1MQ0Kcml0YWNoX2xpbkBwaGlzb24uY29t DQoNCg0KLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCkZyb206IENocmlzdG9waCBIZWxsd2ln IFttYWlsdG86aGNoQGxzdC5kZV0NClNlbnQ6IFR1ZXNkYXksIE9jdG9iZXIgNCwgMjAyMiAzOjI4 IFBNDQpUbzogUml0YSBMaW4gPHJpdGFjaF9saW5AcGhpc29uLmNvbT4NCkNjOiBDaHJpc3RvcGgg SGVsbHdpZyA8aGNoQGxzdC5kZT47IEtlaXRoIEJ1c2NoIDxrYnVzY2hAa2VybmVsLm9yZz47IEpl bnMgQXhib2UgPGF4Ym9lQGZiLmNvbT47IFNhZ2kgR3JpbWJlcmcgPHNhZ2lAZ3JpbWJlcmcubWU+ OyBsaW51eC1udm1lQGxpc3RzLmluZnJhZGVhZC5vcmc7IGxpbnV4LWtlcm5lbEB2Z2VyLmtlcm5l bC5vcmc7IPxT6smsfCA8cmVkZF9odWFuZ0BwaGlzb24uY29tPjsgVGluYSBIc3UgPHRpbmFfaHN1 QHBoaXNvbi5jb20+OyBWaXRhIEhzdWVoICjRptLB2bspIDxWaXRhLkhzdWVoQHF1YW50YXR3LmNv bT47IFdhbmcsIEF1ZHJleSA8YXVkcmV5LndhbmdAaHAuY29tPg0KU3ViamVjdDogUmU6IG52bWUt cGNpOiBkaXNhYmxlIHdyaXRlIHplcm9zIHN1cHBvcnQgb24gU1NEcw0KDQpPbiBUdWUsIE9jdCAw NCwgMjAyMiBhdCAwNzoyMDowMUFNICswMDAwLCBSaXRhIExpbiB3cm90ZToNCj4gSGkgQ2hyaXN0 b3BoDQo+DQo+IFdvdWxkIHlvdSBwbGVhc2Ugc2hhcmUgdGhlIHBhdGNoIG1vZGlmaWVkIGxpbmsg b24gR2Vycml0IFNlcnZlciB0byB1cz8NCg0KSSBoYXZlIG5vIGlkZWEgV1RGIHlvdSdyZSBldmVu IHRhbGtpbmcgYWJvdXQuDQoNCg0KVGhpcyBtZXNzYWdlIGFuZCBhbnkgYXR0YWNobWVudHMgYXJl IGNvbmZpZGVudGlhbCBhbmQgbWF5IGJlIGxlZ2FsbHkgcHJpdmlsZWdlZC4gQW55IHVuYXV0aG9y aXplZCByZXZpZXcsIHVzZSBvciBkaXN0cmlidXRpb24gYnkgYW55b25lIG90aGVyIHRoYW4gdGhl IGludGVuZGVkIHJlY2lwaWVudCBpcyBzdHJpY3RseSBwcm9oaWJpdGVkLiBJZiB5b3UgYXJlIG5v dCB0aGUgaW50ZW5kZWQgcmVjaXBpZW50LCBwbGVhc2UgaW1tZWRpYXRlbHkgbm90aWZ5IHRoZSBz ZW5kZXIsIGNvbXBsZXRlbHkgZGVsZXRlIHRoZSBtZXNzYWdlIGFuZCBhbnkgYXR0YWNobWVudHMs IGFuZCBkZXN0cm95IGFsbCBjb3BpZXMuIFlvdXIgY29vcGVyYXRpb24gd2lsbCBiZSBoaWdobHkg YXBwcmVjaWF0ZWQuDQo=