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From: "Dmitry V. Levin" <ldv@altlinux.org>
To: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>
Cc: Szunti <szunti@gmail.com>,
	Alejandro Colomar <alx.manpages@gmail.com>,
	linux-man <linux-man@vger.kernel.org>
Subject: Re: user_namespaces(7) should mention overlay as mountable since Linux 5.11
Date: Mon, 15 Mar 2021 02:20:09 +0300	[thread overview]
Message-ID: <20210314232009.GA2561@altlinux.org> (raw)
In-Reply-To: <CAKgNAkh9XgUT+257TLtKBHsxuOHopqt76BL2xCz+JN2=u-xm=w@mail.gmail.com>

Hi Michael,

On Sun, Mar 14, 2021 at 11:04:26PM +0100, Michael Kerrisk (man-pages) wrote:
> On Tue, 9 Mar 2021 at 16:00, Szunti <szunti@gmail.com> wrote:
> >
> > user_namespaces lists in Capabilities section the filesystems that can
> > be mount:
> >
> >   Holding  CAP_SYS_ADMIN  within  the  user  namespace that owns a process's
> >   mount namespace allows that process to create bind mounts  and  mount  the
> >   following types of filesystems:
> >
> >       * /proc (since Linux 3.8)
> >       * /sys (since Linux 3.8)
> >       * devpts (since Linux 3.9)
> >       * tmpfs(5) (since Linux 3.9)
> >       * ramfs (since Linux 3.9)
> >       * mqueue (since Linux 3.9)
> >       * bpf (since Linux 4.4)
> >
> > IUUC this list should add
> >       * overlay (since Linux 5.11)

It should rather say overlayfs.

> Could you add some info about how you discovered/verified this please.
> 
> That helps us check the details.

What a coincidence, I just happen to have the relevant Linux kernel
merge commits cached:
92dbc9dedccb9759c7f9f2f0ae6242396376988f aka v5.11-rc1~83
4cb2c00c43b3fe88b32f29df4f76da1b92c33224 aka v5.11-rc7~28


-- 
ldv

  reply	other threads:[~2021-03-14 23:20 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-09 15:00 user_namespaces(7) should mention overlay as mountable since Linux 5.11 Szunti
2021-03-14 22:04 ` Michael Kerrisk (man-pages)
2021-03-14 23:20   ` Dmitry V. Levin [this message]
2021-03-21 15:45     ` Michael Kerrisk (man-pages)

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