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 22C3CC43217 for ; Thu, 1 Dec 2022 19:45:04 +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:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Hi8NdwJcM2fnWBK6zyZaE0cHTgaGCouT43ExNdFRJkk=; b=ptSHZup2GsjaTcYQzFLh/mubBb YkY/pz3s1P2VoBnYz1XJtppvX9qX7pzVVdb5ZbDB73b3bElT03Q28lFvGWzDu6TvBOrUWYvtQ71mY A8l6u6bzN7Zsfv+n52so0UnV+cf+SqnaYrb171iOXAZ3kkXjsXSv5VlmcrbyMogxGpqd89RM30y93 WQchwmL9KvoC/djDtEQAxhZOFA1+qKi0O4NYwG8Lmre2Idi2WxZVoTDfjJ8AKJHuF3+8jHid79M62 pgCLY5lr2KcIEHde9e90aiIN37GO9stxh8SGndZ9B79NxhtfuO9xvUyRlCtSk5rLE+pN9ntmFWRaT Y5MVtuAQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1p0pUS-00Ac2g-B3; Thu, 01 Dec 2022 19:45:00 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1p0pPA-00ATcs-9n for linux-nvme@bombadil.infradead.org; Thu, 01 Dec 2022 19:39:32 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=Hi8NdwJcM2fnWBK6zyZaE0cHTgaGCouT43ExNdFRJkk=; b=cc9S5eKoMZCC56Mi2GED9exshH VZD2iiW36YGQyBWoDNPRIWt2l51l2Eht+QKl3ns0X+gRVBh58/2N2JIMojPf6IcsuOstG6z4PemuI mJWOUjwQ11+KzOkv3LRrbwc0uyOP2JKggZamzlGzGDbJ6YYkDeKYUw/zKj59m34k4vQiyJqm1qSM4 /2vevWwCXJxm607nETe6Y43BQ77fiJVLzuahwD6Fg7DI+RC9zbLu2o76gw8rHts3txHktL7GW7GTJ GDatpCfDDAt0OAEmVRZA2awdw/CGwGNyXX6aaosdmQYKxXlaSxa0TMuJUeOGrYI0leJsFHzHcTvQi mvMfx+Rg==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1p0pPA-00GrMY-3M; Thu, 01 Dec 2022 19:39:32 +0000 Date: Thu, 1 Dec 2022 19:39:32 +0000 From: Matthew Wilcox To: Chaitanya Kulkarni Cc: "linux-block@vger.kernel.org" , "linux-raid@vger.kernel.org" , "linux-nvme@lists.infradead.org" , "linux-fsdevel@vger.kernel.org" , "axboe@kernel.dk" , "djwong@kernel.org" , "kbusch@kernel.org" , "hch@lst.de" , "sagi@grimberg.me" , "jejb@linux.ibm.com" , "martin.petersen@oracle.com" , "javier@javigon.com" , "johannes.thumshirn@wdc.com" , "bvanassche@acm.org" , "dongli.zhang@oracle.com" , "jefflexu@linux.alibaba.com" , "josef@toxicpanda.com" , "clm@fb.com" , "dsterba@suse.com" , "jack@suse.com" , "tytso@mit.edu" , "adilger.kernel@dilger.ca" , "jlayton@kernel.org" , "idryomov@gmail.com" , "danil.kipnis@cloud.ionos.com" , "ebiggers@google.com" , "jinpu.wang@cloud.ionos.com" Subject: Re: [PATCH 0/6] block: add support for REQ_OP_VERIFY Message-ID: References: <20220630091406.19624-1-kch@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 On Thu, Dec 01, 2022 at 06:12:46PM +0000, Chaitanya Kulkarni wrote: > So nobody can get away with a lie. And yet devices do exist which lie. I'm not surprised that vendors vehemently claim that they don't, or "nobody would get away with it". But, of course, they do. And there's no way for us to find out if they're lying!