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([2001:a61:253c:4c01:2cf1:7133:9da2:66a9]) by smtp.gmail.com with ESMTPSA id f6sm4390016wme.32.2020.08.26.00.31.26 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 26 Aug 2020 00:31:26 -0700 (PDT) Cc: mtk.manpages@gmail.com, Alexander Viro , "linux-fsdevel@vger.kernel.org" , Christian Brauner , linux-man , Linux API , lkml , Karel Zak Subject: Re: [PATCH 2/5] Add manpages for move_mount(2) and open_tree(2) To: David Howells References: <159680892602.29015.6551860260436544999.stgit@warthog.procyon.org.uk> <159680894741.29015.5588747939240667925.stgit@warthog.procyon.org.uk> <287644.1598263702@warthog.procyon.org.uk> From: "Michael Kerrisk (man-pages)" Message-ID: <91c4ada9-5b5d-e93e-0bf6-b0a36b240880@gmail.com> Date: Wed, 26 Aug 2020 09:31:25 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <287644.1598263702@warthog.procyon.org.uk> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On 8/24/20 12:08 PM, David Howells wrote: > Michael Kerrisk (man-pages) wrote: > >>> +To access the source mount object or the destination mountpoint, no >>> +permissions are required on the object itself, but if either pathname is >>> +supplied, execute (search) permission is required on all of the directories >>> +specified in >>> +.IR from_pathname " or " to_pathname . >>> +.PP >>> +The caller does, however, require the appropriate capabilities or permission >>> +to effect a mount. >> >> Maybe better: s/effect/create/ > > The mount has already been created. We're moving/attaching it. Ahh -- then the verb was wrong. to effect == to cause, bring about to affect == to change, have an impact on > Maybe: > > The caller does, however, require the appropriate privilege (Linux: > the CAP_SYS_ADMIN capability) to move or attach mounts. Yes, better. Thanks, Michael -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/