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 BC47CC433EF for ; Wed, 13 Jul 2022 15:01:00 +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=mJjBmMAXT2h6I0nmMQuW56J/7RtTYtOpHF5Tj5AvOWE=; b=emqPrVIoVzo9+WCUYFX47SXVjY 6cVmBSTkBmCS0B2XfGQK4UuxGT3wjnxgVIZjPOPDP0g0tI+2H5XOhiVqZF3+yOrPzU8D064YronHT ecX83wfYiEw+AJjl9sNpp/RfBlepkVQo729hKwxoTPGths7FOUjzS8sDktj4JD7powxPt+UfWtMHh /Ra9wIZdHTd7EOvZtw2nOC6z5/L6yJzVOlN6hldDDSGpOxUoEfRyrTEwbd1xac4Zjt+7pHigvywHf KN9YLBMbBiVx0GcGBVsTnWpZeMmza0ZJKeoMIJZygEh877FzV47Xue32+7tzo3mvyPc1+f/JePcVd PVJSbHpg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oBdrF-004pz1-Rp; Wed, 13 Jul 2022 15:00:57 +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 1oBbKi-003SNz-3f for linux-nvme@bombadil.infradead.org; Wed, 13 Jul 2022 12:19:12 +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=mJjBmMAXT2h6I0nmMQuW56J/7RtTYtOpHF5Tj5AvOWE=; b=WMa19WfnzPViDLABSHs3QnQmSW 4Yn9G+E+X+eHmXygmZ9SJISv+OjO4Uet8m9+0J8uKFMeGLXluy40BJGPVnAieJzm0fn+vmh5jDS9P d3JN2TlJCNWWpUL/PwQSv79shcoOlUdWO8TcM5BkVLX7NU45Y9z78/dU4PHkKFkcIexCFJs2m9R+R RG5tg4d9l0HcbjratWoNf9PCm/ofpp7zdYUZbpwPLjnqq6Y/iHgZMgpPulPD8LAUwZW4PtUZ390qa lAEs/1h8We8KTGbsylxYgERHE/pMWH+Lui46xp88dsXquY86RVjWfA5/O9QucoBk9BC5KebK2lgkR +dJ/tBoA==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1oBbKd-008Alv-T2; Wed, 13 Jul 2022 12:19:07 +0000 Date: Wed, 13 Jul 2022 13:19:07 +0100 From: Matthew Wilcox To: Chaitanya Kulkarni Cc: linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, linux-nvme@lists.infradead.org, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, axboe@kernel.dk, agk@redhat.com, song@kernel.org, djwong@kernel.org, kbusch@kernel.org, hch@lst.de, sagi@grimberg.me, jejb@linux.ibm.com, martin.petersen@oracle.com, viro@zeniv.linux.org.uk, javier@javigon.com, johannes.thumshirn@wdc.com, bvanassche@acm.org, dongli.zhang@oracle.com, ming.lei@redhat.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 V2 0/6] block: add support for REQ_OP_VERIFY Message-ID: References: <20220713072019.5885-1-kch@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220713072019.5885-1-kch@nvidia.com> X-Mailman-Approved-At: Wed, 13 Jul 2022 08:00:42 -0700 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 Wed, Jul 13, 2022 at 12:20:13AM -0700, Chaitanya Kulkarni wrote: > Hi, > > One of the responsibilities of the Operating System, along with managing > resources, is to provide a unified interface to the user by creating > hardware abstractions. In the Linux Kernel storage stack that > abstraction is created by implementing the generic request operations > such as REQ_OP_READ/REQ_OP_WRITE or REQ_OP_DISCARD/REQ_OP_WRITE_ZEROES, > etc that are mapped to the specific low-level hardware protocol commands > e.g. SCSI or NVMe. Still NAK, see previous thread for reasons. Somewhat disappointing that you sent a new version instead of addressing those comments first.