Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp860136imm; Wed, 11 Jul 2018 12:13:10 -0700 (PDT) X-Google-Smtp-Source: AAOMgpcZIfZnMYjHyiw98B9vm4EOa/81gT/qrMFosCf+U60DAMH8AI5LtJKM1N9kMRcydhRz3UJC X-Received: by 2002:a65:6411:: with SMTP id a17-v6mr27297639pgv.287.1531336390026; Wed, 11 Jul 2018 12:13:10 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1531336389; cv=none; d=google.com; s=arc-20160816; b=XhQRCfYRO9vJCm0l4fTM7rOb+tiKtsmG3Nh0MgvPszEUdI7RH68x2KzIkuJQsGm5Oq BvY28uZOM5N2aO4zukYF+ef4bZw0TF6xp75Yn1PruwxRz1nesyXaCFWQFQrCofEzxSvm QXxfO2tK0whnVWOd7KhuAwG80ZSsRMOEF7MKVbdsxW4Jy8em0ge9LBCZF3Zr+ZUq8SJM apYvkp9Fslfw5jx1vchyZBo33lXz32rQpQHUZNTOepGuxpGu878b3am1fRlhnn1eJvQ7 61x0nw6uKd8/ODvtP322ICUQDV+xp6CBQIxOkkeA8drqhsgCiMaLtcNRfTtgYvVdtFUY I+gQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:content-id:mime-version :subject:cc:to:references:in-reply-to:from:organization :arc-authentication-results; bh=u4Bq9DqpuIo7YJKVCMbhIYYX0HXZrFcdIvEPxoClneY=; b=whiRc50kzY1RAWnFT4MKimWZyg95UBA/Ve5Nen67d70XER/ZbiJpBKxxYVNGGcJdKU PiX2h7SZZgHJxPh15O0eRJoWwqpjaTfLoF8GyG+XSi6zeOCmYka/Z8yWsPKUN8/emUbI mNlUv446HpUtX7bXsr3KJy81GPj6Eo1soVanqljfT1kNbxeYr/gXpulhueFnunlI6+qW WQgHC4rgrKKqhPHIeMyvSofwEFj7e7k0n3PxzWZ5jMtJWUdQU6/kcwLTbzPrIUBNLe2m k/lTYBllbZXvkfs0Iz457d2mIZGGkzkl8ixDrkKUXDgP2dP7SjpEZ/VdLIr7pNECZiZt JdMg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id w22-v6si19300970plp.294.2018.07.11.12.12.53; Wed, 11 Jul 2018 12:13:09 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389664AbeGKQXI (ORCPT + 99 others); Wed, 11 Jul 2018 12:23:08 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:43782 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1732721AbeGKQXI (ORCPT ); Wed, 11 Jul 2018 12:23:08 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 363B081A4EAF; Wed, 11 Jul 2018 16:18:04 +0000 (UTC) Received: from warthog.procyon.org.uk (ovpn-120-149.rdu2.redhat.com [10.10.120.149]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4D3B41C662; Wed, 11 Jul 2018 16:18:02 +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: <20180711095159.08e5435c@lwn.net> References: <20180711095159.08e5435c@lwn.net> <153126248868.14533.9751473662727327569.stgit@warthog.procyon.org.uk> <153126264966.14533.3388004240803696769.stgit@warthog.procyon.org.uk> To: Jonathan Corbet Cc: dhowells@redhat.com, viro@zeniv.linux.org.uk, linux-api@vger.kernel.org, linux-fsdevel@vger.kernel.org, torvalds@linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 24/32] vfs: syscall: Add fsopen() to prepare for superblock creation [ver #9] MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <14218.1531325881.1@warthog.procyon.org.uk> Date: Wed, 11 Jul 2018 17:18:01 +0100 Message-ID: <14219.1531325881@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Wed, 11 Jul 2018 16:18:04 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Wed, 11 Jul 2018 16:18:04 +0000 (UTC) for IP:'10.11.54.5' DOMAIN:'int-mx05.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'dhowells@redhat.com' RCPT:'' Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Jonathan Corbet wrote: > A minor detail but ... the "r" operation mentioned above is not actually > implemented in this system call. Yeah, that's something I'd like to add. NFS4 already does this inside its ->mount() method, so my thought is that we might be able to move this from there to the core. David