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 D7CCEC32771 for ; Mon, 26 Sep 2022 14:54:10 +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=7a/V89npBHRwzuuTz3Nss9tFstt+7uZ2MJdGjbIq5wU=; b=IIzwF69fSSBLHj/Bf83HdQjR4c a03rebqQgJz+HRRf3Bmq/bappnNK6pPFOWpHAxgFvpN+GFbQe9WHsmLqbLn5MlPhSIVtS/XZeSEFe BsbrRKn3JjOgf2obcZ2ABsiB5yImDfHSut1Il1ctZvQfdkolSvhFEYinUob0/8oS0OwZwmlNK0mQ+ ysC69bKlWnDgbkHeNC0I+7940SsWOBMr8GcLWSGgJbeVW5QibSlQOVMyWEf1XRoe+6JBnae9H1piw zKVTve7PUD2x9YgfuOV6ApvwNB+n+5wJzcLgCg6yEISXFtp3gRA5ELWvFDMriXaco3/9j6HIQt2kg 33Rp1oiw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ocpUm-005WMz-BJ; Mon, 26 Sep 2022 14:54:08 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ocpUj-005WL4-2i for linux-nvme@lists.infradead.org; Mon, 26 Sep 2022 14:54:06 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 914A868AFE; Mon, 26 Sep 2022 16:54:01 +0200 (CEST) Date: Mon, 26 Sep 2022 16:54:01 +0200 From: Christoph Hellwig To: Kanchan Joshi Cc: axboe@kernel.dk, hch@lst.de, kbusch@kernel.org, io-uring@vger.kernel.org, linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, gost.dev@samsung.com, Anuj Gupta Subject: Re: [PATCH for-next v9 6/7] block: introduce helper to map bvec iterator Message-ID: <20220926145401.GA20939@lst.de> References: <20220925202304.28097-1-joshi.k@samsung.com> <20220925202304.28097-7-joshi.k@samsung.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220925202304.28097-7-joshi.k@samsung.com> 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-20220926_075405_293375_5A1E2C5E X-CRM114-Status: GOOD ( 12.66 ) 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 Mon, Sep 26, 2022 at 01:53:03AM +0530, Kanchan Joshi wrote: > Add blk_rq_map_user_bvec which maps the pages from bvec iterator into a > bio, and places the bio into the request. This helper will be used by > nvme for uring-passthrough path with pre-mapped buffers. I still don't think this should be separate per the ongoing discussion. It would also be nice if we had a chance to finish the discussion without seeing a reposted series before we've made much progress on it.