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 8909AD1AD45 for ; Thu, 17 Oct 2024 08:21:48 +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=npTh0hJ9OReB2/XVPh3WwcfGSQO+rpdg9dm12iWDLKc=; b=AVaL/mfzYNs6IsvBL5kSOPiUeA J3HpuSVwi6rZHJrqj4Hu+Slu2Rsz59StAH+4QZiubHEH/pfX+VSQteusLfskB1GtWkr84kKRzr58j 0Sl3sSFUbzCNW2VnSB3CN8ONI/9t/FQl5X10T6z0ZRucHI0Dp251hHy2Z6elqzajI69rmrhwL7UxO wRnlZefIrWd/0/FjWB88DmYW+eNOkhq1IU2B96WvyPExUcQksMgKsl0EfTy/rUEKby/MjK7adTLXf xGtG+RT2ZbqTxn1RfO0BEqXfyF9dMkH5b/9XTdxmOZV5DGERJss/lEwgLHI5X0tRBfFqogjw6bM8s +HhU9WrA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t1LlO-0000000EA1T-0pDn; Thu, 17 Oct 2024 08:21:42 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t1LlL-0000000E9zm-17Qj for linux-nvme@lists.infradead.org; Thu, 17 Oct 2024 08:21:41 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 02E7E227A87; Thu, 17 Oct 2024 10:21:36 +0200 (CEST) Date: Thu, 17 Oct 2024 10:21:35 +0200 From: Christoph Hellwig To: Anuj Gupta Cc: Keith Busch , hch@lst.de, axboe@kernel.dk, linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, martin.petersen@oracle.com, Keith Busch Subject: Re: [PATCH] blk-integrity: remove seed for user mapped buffers Message-ID: <20241017082135.GA28355@lst.de> References: <20241016201309.1090320-1-kbusch@meta.com> <20241017060123.GA8191@green245> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241017060123.GA8191@green245> User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241017_012139_470156_DBB04DCF X-CRM114-Status: GOOD ( 10.23 ) 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, Oct 17, 2024 at 11:31:23AM +0530, Anuj Gupta wrote: > Not for nvme passthrough, but all this code is needed for io_uring > metadata series. Please see the need/justifcation [*]. > > [*] https://lore.kernel.org/linux-block/20241017054900.alfiqn3o37f4kkxb@green245/ But it could easily set it in bio_integrity_map_user.