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Re: [PATCH v3 0/7] User namespace mount updates

From Richard Weinberger <richard.weinberger@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH v3 0/7] User namespace mount updates
Date 2015-11-18 16:30 +0100
Message-ID <qwcQi-4HC-9@gated-at.bofh.it> (permalink)
References (6 earlier) <qwa26-2NS-5@gated-at.bofh.it> <qwbUf-445-25@gated-at.bofh.it> <qwcng-4gQ-21@gated-at.bofh.it> <qwcwW-4zt-7@gated-at.bofh.it> <qwcGC-4D5-13@gated-at.bofh.it>
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On Wed, Nov 18, 2015 at 4:13 PM, Al Viro <viro@zeniv.linux.org.uk> wrote:
> On Wed, Nov 18, 2015 at 09:05:12AM -0600, Seth Forshee wrote:
>
>> Yes, the host admin. I'm not talking about trusting the admin inside the
>> container at all.
>
> Then why not have the same host admin just plain mount it when setting the
> container up and be done with that?  From the host namespace, before spawning
> the docker instance or whatever framework you are using.  IDGI...

Because hosting companies sell containers as "full virtual machines"
and customers expect to be able mount stuff like disk images they upload.

-- 
Thanks,
//richard
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Thread

[PATCH v3 0/7] User namespace mount updates Seth Forshee <seth.forshee@canonical.com> - 2015-11-17 17:50 +0100
  [PATCH v3 1/7] block_dev: Support checking inode permissions in lookup_bdev() Seth Forshee <seth.forshee@canonical.com> - 2015-11-17 17:50 +0100
  [PATCH v3 2/7] block_dev: Check permissions towards block device inode when mounting Seth Forshee <seth.forshee@canonical.com> - 2015-11-17 17:50 +0100
  [PATCH v3 3/7] mtd: Check permissions towards mtd block device inode when mounting Seth Forshee <seth.forshee@canonical.com> - 2015-11-17 17:50 +0100
  Re: [PATCH v3 0/7] User namespace mount updates Al Viro <viro@ZenIV.linux.org.uk> - 2015-11-17 18:10 +0100
    Re: [PATCH v3 0/7] User namespace mount updates Seth Forshee <seth.forshee@canonical.com> - 2015-11-17 18:30 +0100
      Re: [PATCH v3 0/7] User namespace mount updates "Serge E. Hallyn" <serge@hallyn.com> - 2015-11-17 18:50 +0100
      Re: [PATCH v3 0/7] User namespace mount updates Al Viro <viro@ZenIV.linux.org.uk> - 2015-11-17 19:00 +0100
        Re: [PATCH v3 0/7] User namespace mount updates Seth Forshee <seth.forshee@canonical.com> - 2015-11-17 19:40 +0100
          Re: [PATCH v3 0/7] User namespace mount updates Richard Weinberger <richard.weinberger@gmail.com> - 2015-11-17 20:20 +0100
            Re: [PATCH v3 0/7] User namespace mount updates Octavian Purdila <octavian.purdila@intel.com> - 2015-11-17 20:30 +0100
              Re: [PATCH v3 0/7] User namespace mount updates Richard Weinberger <richard@nod.at> - 2015-11-17 21:20 +0100
                Re: [PATCH v3 0/7] User namespace mount updates Octavian Purdila <octavian.purdila@intel.com> - 2015-11-17 23:10 +0100
                Re: [PATCH v3 0/7] User namespace mount updates Seth Forshee <seth.forshee@canonical.com> - 2015-11-19 16:30 +0100
                Re: [PATCH v3 0/7] User namespace mount updates Octavian Purdila <octavian.purdila@intel.com> - 2015-11-19 17:20 +0100
                Re: [PATCH v3 0/7] User namespace mount updates Seth Forshee <seth.forshee@canonical.com> - 2015-11-19 17:40 +0100
                Re: [PATCH v3 0/7] User namespace mount updates "Serge E. Hallyn" <serge.hallyn@ubuntu.com> - 2015-11-20 18:40 +0100
            Re: [PATCH v3 0/7] User namespace mount updates Richard Weinberger <richard@nod.at> - 2015-11-17 20:30 +0100
            Re: [PATCH v3 0/7] User namespace mount updates Seth Forshee <seth.forshee@canonical.com> - 2015-11-17 20:30 +0100
          Re: [PATCH v3 0/7] User namespace mount updates Theodore Ts'o <tytso@mit.edu> - 2015-11-18 20:20 +0100
            Re: [PATCH v3 0/7] User namespace mount updates Seth Forshee <seth.forshee@canonical.com> - 2015-11-18 20:30 +0100
            Re: [PATCH v3 0/7] User namespace mount updates Serge Hallyn <serge.hallyn@ubuntu.com> - 2015-11-18 20:40 +0100
        Re: [PATCH v3 0/7] User namespace mount updates Austin S Hemmelgarn <ahferroin7@gmail.com> - 2015-11-17 20:10 +0100
          Re: [PATCH v3 0/7] User namespace mount updates Seth Forshee <seth.forshee@canonical.com> - 2015-11-17 20:20 +0100
            Re: [PATCH v3 0/7] User namespace mount updates Austin S Hemmelgarn <ahferroin7@gmail.com> - 2015-11-17 22:00 +0100
              Re: [PATCH v3 0/7] User namespace mount updates Seth Forshee <seth.forshee@canonical.com> - 2015-11-17 22:40 +0100
                Re: [PATCH v3 0/7] User namespace mount updates Austin S Hemmelgarn <ahferroin7@gmail.com> - 2015-11-18 13:30 +0100
                Re: [PATCH v3 0/7] User namespace mount updates Seth Forshee <seth.forshee@canonical.com> - 2015-11-18 15:30 +0100
                Re: [PATCH v3 0/7] User namespace mount updates Al Viro <viro@ZenIV.linux.org.uk> - 2015-11-18 16:00 +0100
                Re: [PATCH v3 0/7] User namespace mount updates Seth Forshee <seth.forshee@canonical.com> - 2015-11-18 16:10 +0100
                Re: [PATCH v3 0/7] User namespace mount updates Al Viro <viro@ZenIV.linux.org.uk> - 2015-11-18 16:20 +0100
                Re: [PATCH v3 0/7] User namespace mount updates Richard Weinberger <richard.weinberger@gmail.com> - 2015-11-18 16:30 +0100
                Re: [PATCH v3 0/7] User namespace mount updates James Morris <jmorris@namei.org> - 2015-11-19 08:50 +0100
                Re: [PATCH v3 0/7] User namespace mount updates Richard Weinberger <richard@nod.at> - 2015-11-19 09:00 +0100
                Re: [PATCH v3 0/7] User namespace mount updates "Serge E. Hallyn" <serge.hallyn@ubuntu.com> - 2015-11-19 15:30 +0100
                Re: [PATCH v3 0/7] User namespace mount updates Richard Weinberger <richard@nod.at> - 2015-11-19 16:10 +0100
                Re: [PATCH v3 0/7] User namespace mount updates Colin Walters <walters@verbum.org> - 2015-11-19 15:40 +0100
                Re: [PATCH v3 0/7] User namespace mount updates Richard Weinberger <richard@nod.at> - 2015-11-19 15:50 +0100
                Re: [PATCH v3 0/7] User namespace mount updates "Richard W.M. Jones" <rjones@redhat.com> - 2015-11-19 16:20 +0100
                Re: [PATCH v3 0/7] User namespace mount updates "Serge E. Hallyn" <serge.hallyn@ubuntu.com> - 2015-11-19 16:00 +0100
                Re: [PATCH v3 0/7] User namespace mount updates Nikolay Borisov <kernel@kyup.com> - 2015-11-18 16:40 +0100
                Re: [PATCH v3 0/7] User namespace mount updates Austin S Hemmelgarn <ahferroin7@gmail.com> - 2015-11-18 16:40 +0100
          Re: [PATCH v3 0/7] User namespace mount updates Al Viro <viro@ZenIV.linux.org.uk> - 2015-11-17 20:40 +0100
            Re: [PATCH v3 0/7] User namespace mount updates Austin S Hemmelgarn <ahferroin7@gmail.com> - 2015-11-17 21:40 +0100
              Re: [PATCH v3 0/7] User namespace mount updates Al Viro <viro@ZenIV.linux.org.uk> - 2015-11-17 22:10 +0100
                Re: [PATCH v3 0/7] User namespace mount updates Seth Forshee <seth.forshee@canonical.com> - 2015-11-17 23:10 +0100
                Re: [PATCH v3 0/7] User namespace mount updates Austin S Hemmelgarn <ahferroin7@gmail.com> - 2015-11-18 13:50 +0100
                Re: [PATCH v3 0/7] User namespace mount updates Seth Forshee <seth.forshee@canonical.com> - 2015-11-18 15:40 +0100
                Re: [PATCH v3 0/7] User namespace mount updates Austin S Hemmelgarn <ahferroin7@gmail.com> - 2015-11-18 16:40 +0100
            Re: [PATCH v3 0/7] User namespace mount updates bfields@fieldses.org (J. Bruce Fields) - 2015-11-18 19:50 +0100

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