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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4D795C38142 for ; Tue, 24 Jan 2023 13:17:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233773AbjAXNRQ (ORCPT ); Tue, 24 Jan 2023 08:17:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45134 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233594AbjAXNRO (ORCPT ); Tue, 24 Jan 2023 08:17:14 -0500 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 14A773C286; Tue, 24 Jan 2023 05:17:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; 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=W2+lHouydvSTpaycCGwYD9xOK2GTd/RqMIHUpyMgoSQ=; b=FBzt8gtKF3QFO7P8Ufp6unDk18 /su/Qx/mJSgZOA4aYDHbp5B4LMX0UHtIQcDvO39PXvIMeTGX4Bi7i11AuKO8ayad0Xc4rEkJaykR0 9rT2aw1+UGLYRjTTOPLykSh6vg8fFF+4GlyZXt93a5/5wgA/k7PSeNMfm+K8SyVXNtXdMb7kxhZ+G tm9yC1hZ2ptCFH0BWGZNHYoL2w53qrZSGar5GT19VNOSunidBqfL1N18o66FZD9iL7j/cUff8jm0W YMDfUlwyq3wwUoOt9x+L4g+KWTQs5Yu1gQYD119m4RAlzQopZOMeH4Sg0l8l0cIxtxTos8janJWQx 7kzQewPw==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1pKJAX-003uwH-K8; Tue, 24 Jan 2023 13:16:57 +0000 Date: Tue, 24 Jan 2023 05:16:57 -0800 From: Christoph Hellwig To: David Hildenbrand Cc: David Howells , Al Viro , Christoph Hellwig , Matthew Wilcox , Jens Axboe , Jan Kara , Jeff Layton , Logan Gunthorpe , linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v8 00/10] iov_iter: Improve page extraction (pin or just list) Message-ID: References: <20230123173007.325544-1-dhowells@redhat.com> <02063032-61e7-e1e5-cd51-a50337405159@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <02063032-61e7-e1e5-cd51-a50337405159@redhat.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 24, 2023 at 01:44:21PM +0100, David Hildenbrand wrote: > Once landed upstream, if we feel confident enough (I tend to), we could > adjust the open() man page to state that O_DIRECT can now be run > concurrently with fork(). Especially, the following documentation might be > adjusted: Note that while these series coverts the two most commonly used O_DIRECT implementations, there are various others ones that do not pin the pages yet.