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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id B23C0C61DA4 for ; Tue, 14 Feb 2023 22:57:02 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 0FA866B0072; Tue, 14 Feb 2023 17:57:02 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 0AAB76B0073; Tue, 14 Feb 2023 17:57:02 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EB3DF6B007D; Tue, 14 Feb 2023 17:57:01 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id CE4726B0072 for ; Tue, 14 Feb 2023 17:57:01 -0500 (EST) Received: from smtpin24.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 9540F1C5061 for ; Tue, 14 Feb 2023 22:57:01 +0000 (UTC) X-FDA: 80467409442.24.28A8637 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by imf07.hostedemail.com (Postfix) with ESMTP id 9AF8240010 for ; Tue, 14 Feb 2023 22:56:59 +0000 (UTC) Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=GJzc4aX4; spf=pass (imf07.hostedemail.com: domain of dhowells@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=dhowells@redhat.com; dmarc=pass (policy=none) header.from=redhat.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1676415419; a=rsa-sha256; cv=none; b=IAav1e8iTeLCQ9OMEzVfwl7yRC/tJA9vdlinzCJFURsJSzgXh55cebaPvi/wC25oD/eSoJ pVWnrEKMwgzuOy7BuIDKWqUCzj+FCw24pjwxURoxOvwUlAjzg8yU13Iqd83Fel5f4c3QSS JEAbbWu/lV/e+u2GEVNtBQe05GwN2qE= ARC-Authentication-Results: i=1; imf07.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=GJzc4aX4; spf=pass (imf07.hostedemail.com: domain of dhowells@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=dhowells@redhat.com; dmarc=pass (policy=none) header.from=redhat.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1676415419; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=J1eB3+uWhBW292dy0PfFX0Qmu/QtjvuUp1sDv9ahW6A=; b=LwFDLNihkIeyn4a6w5j37MG8einFN70wm9v3bo9YHcfpk9c+g/LgcZCzRmwdZxhyEmnYZG brSWUO+it612ScKGlrGmhmb509KuaSVLmKUyBs4r9shfNM50FyG8FlYxPwZlW6iX5KUIYJ D8aLbRN/jF4f9BZyt4Qfp5B5SuYZz5Y= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1676415418; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=J1eB3+uWhBW292dy0PfFX0Qmu/QtjvuUp1sDv9ahW6A=; b=GJzc4aX4ep2duIogbv7UDVYN1IhPYK1X37nKt6yLy5ZaT0ycYGpRrA5t0OAk3hl8PzkiRC Pl45Ar81B26gvTL5OkRs4j6iQa9v4Rabayo8z/MC/Ye4G1kjY3P5OmJIkhH4wkc9AqNOho GTPwYWENS0wREbyUaF4MsYEqZIVBZho= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-317-vSwp5IO2PbGa6pnbSTtAuQ-1; Tue, 14 Feb 2023 17:56:55 -0500 X-MC-Unique: vSwp5IO2PbGa6pnbSTtAuQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id BB9D11C041AC; Tue, 14 Feb 2023 22:56:54 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.33.36.24]) by smtp.corp.redhat.com (Postfix) with ESMTP id C08FA2026D4B; Tue, 14 Feb 2023 22:56:52 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <20230214171330.2722188-1-dhowells@redhat.com> References: <20230214171330.2722188-1-dhowells@redhat.com> To: Jens Axboe , smfrench@gmail.com Cc: dhowells@redhat.com, Al Viro , Christoph Hellwig , Matthew Wilcox , Jan Kara , Jeff Layton , David Hildenbrand , Jason Gunthorpe , Logan Gunthorpe , Hillf Danton , linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH v14 00/17] iov_iter: Improve page extraction (pin or just list) MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <2877091.1676415412.1@warthog.procyon.org.uk> Content-Transfer-Encoding: quoted-printable Date: Tue, 14 Feb 2023 22:56:52 +0000 Message-ID: <2877092.1676415412@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 X-Rspam-User: X-Rspamd-Queue-Id: 9AF8240010 X-Rspamd-Server: rspam01 X-Stat-Signature: n5at3ta9z4nh6ph6yub1jxaj49jrdatn X-HE-Tag: 1676415419-434194 X-HE-Meta: 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 oZ0d1gRJ ATLRl8rP9po6YvyTs/g4K7mxSHzNx6kkDFzISDez1xWyINrWZpweO4i89h1/cLfOr6SZdFVRbFBqpgWUV6QTDU3VfOGjU4zF2KJdmqijCHU4tWs3GtbfttaQatsi3vs2gNrHw4L1gxb/Sv2yHLBUoBhp3+5Zn+NOG3z0i6tlCtRtt/6j0mlXM4dPrTS2xXR3n+mW1iqCmArj0EseKnNuTVjeREF73IRKZOoLDcBcKaNm8ezDIOvBgeD5m/er2hYGL0uEUaXXqSH2Ykxi67Ltv8BClVg== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi Jens, If you decide not to take my patches in this merge window, would you have = any objection to my patches 1-3 and 10-11 in this series going through Steve French's cifs tree so that he can take my cifs iteratorisation patches? Patches 1-3 would add filemap_splice_read() and direct_splice_read(), but = not connect them up to anything and 10-11 would add iov_iter_extract_pages(). = I can then give Steve a patch to make cifs use them as part of my patches fo= r that. This would only affect cifs. See my iov-cifs branch: https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/log= /?h=3Diov-cifs for an example of how this would look. David