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Re: [PATCH] Add pidfs filesystem

From Oleg Nesterov <oleg@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH] Add pidfs filesystem
Date 2017-02-22 18:50 +0100
Message-ID <tdJd8-5hl-3@gated-at.bofh.it> (permalink)
References <tcm8W-7QL-9@gated-at.bofh.it> <tdk53-3Wc-5@gated-at.bofh.it> <tdHkZ-3U4-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 02/22, Dmitry V. Levin wrote:
>
> On Tue, Feb 21, 2017 at 03:57:47PM +0100, Oleg Nesterov wrote:
> >
> > But perhaps we can use mnt_flags? For example, lets abuse MNT_NODEV, see
> > the simple patch below. Not sure it is correct/complete, just to illustrate
> > the idea.

...

> I like the idea of using mnt_flags to turn procfs into pidfs, thus
> avoiding yet another filesystem, but MNT_NODEV has a different meaning,

Yes, yes, see "abuse MNT_NODEV" above. The patch just tries to illustrate
the idea.

Oleg.

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Thread

[PATCH] Add pidfs filesystem Alexey Gladkov <gladkov.alexey@gmail.com> - 2017-02-19 00:00 +0100
  Re: [PATCH] Add pidfs filesystem ebiederm@xmission.com (Eric W. Biederman) - 2017-02-20 05:20 +0100
    Re: [PATCH] Add pidfs filesystem Alexey Gladkov <gladkov.alexey@gmail.com> - 2017-02-20 11:40 +0100
    Re: [PATCH] Add pidfs filesystem Richard Weinberger <richard.weinberger@gmail.com> - 2017-02-22 21:20 +0100
  Re: [PATCH] Add pidfs filesystem Oleg Nesterov <oleg@redhat.com> - 2017-02-21 16:00 +0100
    Re: [PATCH] Add pidfs filesystem Alexey Gladkov <gladkov.alexey@gmail.com> - 2017-02-22 12:50 +0100
    Re: [PATCH] Add pidfs filesystem Alexey Gladkov <gladkov.alexey@gmail.com> - 2017-02-22 13:00 +0100
    Re: [PATCH] Add pidfs filesystem "Dmitry V. Levin" <ldv@altlinux.org> - 2017-02-22 16:50 +0100
      Re: [PATCH] Add pidfs filesystem Oleg Nesterov <oleg@redhat.com> - 2017-02-22 18:50 +0100
        Re: [PATCH] Add pidfs filesystem Alexey Gladkov <gladkov.alexey@gmail.com> - 2017-02-22 20:50 +0100
  Re: [PATCH] Add pidfs filesystem Michael Kerrisk <mtk.manpages@gmail.com> - 2017-02-27 20:00 +0100

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