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From: Miklos Szeredi <miklos@szeredi.hu>
To: hch@infradead.org
Cc: linux-fsdevel@vger.kernel.org, hch@infradead.org,
	linux-kernel@vger.kernel.org, akpm@osdl.org
Subject: Re: [PATCH] private mounts
Date: Sun, 24 Apr 2005 22:50:04 +0200	[thread overview]
Message-ID: <E1DPo3I-0000V0-00@localhost> (raw)
In-Reply-To: <20050424201820.GA28428@infradead.org> (message from Christoph Hellwig on Sun, 24 Apr 2005 21:18:20 +0100)

> > This simple patch adds support for private (or invisible) mounts.  The
> > rationale is to allow mounts to be private for a user but still in the
> > global namespace.
> 
> As mentioned in the last -fsdevel thread a few times the idea of per-user
> mounts is fundamentally flawed.  Crossing a namespace boundary must be
> explicit - using clone or a new unshare() syscall.

Also mentioned in that thread quite a few times is the fact the the
clone() and unshare() modell does not solve people's requirements.

Care to read through that thread and suggest an alternative solution?

Thanks,
Miklos

  reply	other threads:[~2005-04-24 20:50 UTC|newest]

Thread overview: 178+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-04-24 20:08 [PATCH] private mounts Miklos Szeredi
2005-04-24 20:13 ` Al Viro
2005-04-24 20:45   ` Miklos Szeredi
2005-04-24 20:18 ` Christoph Hellwig
2005-04-24 20:50   ` Miklos Szeredi [this message]
2005-04-24 20:54     ` Al Viro
2005-04-24 20:59       ` Miklos Szeredi
2005-04-24 21:06         ` Al Viro
2005-04-24 21:15           ` Miklos Szeredi
2005-04-24 21:19             ` Al Viro
2005-04-24 21:29               ` Miklos Szeredi
2005-04-24 21:39                 ` Jamie Lokier
2005-04-25  7:10                 ` Jan Hudec
2005-04-25  9:58                   ` Miklos Szeredi
2005-04-25 11:45                     ` Jan Hudec
2005-04-30  8:35                     ` Christoph Hellwig
2005-04-30  9:25                       ` Miklos Szeredi
2005-04-30  9:42                         ` Jamie Lokier
2005-04-30 10:14                           ` Miklos Szeredi
2005-04-30 14:36                             ` Jamie Lokier
2005-04-30 15:59                               ` Miklos Szeredi
2005-04-30 16:42                                 ` Jamie Lokier
2005-04-30 17:07                                   ` Miklos Szeredi
2005-04-30 18:20                                     ` Olivier Galibert
2005-04-30 23:58                                       ` Jamie Lokier
2005-05-01  2:39                                         ` Ram
2005-04-30 23:54                                     ` Jamie Lokier
2005-05-01  5:56                                       ` Miklos Szeredi
2005-05-01  6:39                                         ` Miklos Szeredi
2005-05-01 15:41                                         ` Eric Van Hensbergen
2005-05-11  9:00                         ` Christoph Hellwig
2005-05-11 10:42                           ` Miklos Szeredi
2005-04-24 21:43               ` Jamie Lokier
2005-04-25  7:14                 ` Jan Hudec
2005-04-27  9:14                 ` Helge Hafting
2005-04-25  9:48               ` Olivier Galibert
2005-04-25 16:37                 ` Tim Hockin
2005-04-30  8:37                 ` Christoph Hellwig
2005-04-25 21:09               ` Bryan Henderson
2005-04-26 13:46                 ` filesystem transactions API Ville Herva
2005-04-26 14:14                   ` Jamie Lokier
2005-04-26 14:22                     ` Artem B. Bityuckiy
2005-04-26 14:32                       ` Jamie Lokier
2005-04-26 14:46                         ` Artem B. Bityuckiy
2005-04-26 15:19                           ` Jamie Lokier
2005-04-26 15:01                         ` John Stoffel
2005-04-26 15:12                           ` Lars Marowsky-Bree
2005-04-26 15:19                           ` Trond Myklebust
2005-04-26 15:29                             ` Ritesh Kumar
2005-04-26 15:50                               ` Jamie Lokier
2005-04-26 16:44                               ` Trond Myklebust
2005-04-26 22:44                               ` Bryan Henderson
2005-04-26 15:47                             ` Jamie Lokier
2005-04-26 15:51                               ` Artem B. Bityuckiy
2005-04-26 15:56                                 ` Jamie Lokier
2005-04-26 16:01                                   ` Artem B. Bityuckiy
2005-04-27  9:14                                     ` Jan Hudec
2005-04-26 15:24                           ` Jamie Lokier
2005-04-26 17:22                             ` Diego Calleja
2005-04-26 17:38                               ` Jamie Lokier
2005-04-27  9:34                             ` Jan Hudec
2005-04-27 13:43                               ` Ville Herva
2005-04-27 15:17                                 ` Jamie Lokier
2005-04-26 15:40                       ` Charles P. Wright
2005-04-26 16:07                         ` Artem B. Bityuckiy
2005-04-26 17:22                           ` Charles P. Wright
2005-04-27  9:37                         ` Lars Marowsky-Bree
2005-04-27 13:36                       ` Andi Kleen
2005-04-26 14:25                   ` Trond Myklebust
2005-04-24 21:38           ` [PATCH] private mounts Jamie Lokier
2005-04-24 22:20             ` Ram
2005-04-24 22:22               ` Jamie Lokier
2005-04-25  6:00             ` Miklos Szeredi
2005-04-25  6:41               ` Ram
2005-04-25  9:55                 ` Miklos Szeredi
2005-04-25  7:22               ` Jan Hudec
2005-04-25 10:08                 ` Miklos Szeredi
2005-04-25 15:20             ` Pavel Machek
2005-04-25 19:07               ` Jamie Lokier
2005-04-26  9:29                 ` Pavel Machek
2005-04-26 14:07                   ` Jamie Lokier
2005-04-28 13:28                     ` Eric Van Hensbergen
2005-04-28 19:22                       ` Jamie Lokier
2005-04-28 13:47                     ` Eric Van Hensbergen
2005-04-28 19:20                       ` Jamie Lokier
2005-04-28 19:39                         ` Ram
2005-04-28 22:08                           ` Jamie Lokier
2005-04-29  7:57                             ` Ram
2005-04-29 14:13                               ` Miklos Szeredi
2005-04-29 14:42                                 ` Jamie Lokier
2005-04-29 14:50                                   ` Question about current->namespace and check_mnt() Jamie Lokier
2005-04-30  8:33                 ` [PATCH] private mounts Christoph Hellwig
2005-04-30 16:47                   ` Ram
2005-04-24 21:06         ` Christoph Hellwig
2005-04-24 21:12           ` Jamie Lokier
     [not found] <3WVU1-2GE-7@gated-at.bofh.it>
     [not found] ` <3WWn1-2ZC-5@gated-at.bofh.it>
     [not found]   ` <3WWn1-2ZC-3@gated-at.bofh.it>
     [not found]     ` <3WWwR-3hT-35@gated-at.bofh.it>
     [not found]       ` <3WWwU-3hT-49@gated-at.bofh.it>
     [not found]         ` <3WWGj-3nm-3@gated-at.bofh.it>
     [not found]           ` <3WWQ9-3uA-15@gated-at.bofh.it>
     [not found]             ` <3WWZG-3AC-7@gated-at.bofh.it>
     [not found]               ` <3X630-2qD-21@gated-at.bofh.it>
     [not found]                 ` <3X8HA-4IH-15@gated-at.bofh.it>
     [not found]                   ` <3Xagd-5Wb-1@gated-at.bofh.it>
2005-04-25 15:17                     ` Bodo Eggert <harvested.in.lkml@posting.7eggert.dyndns.org>
2005-04-25 16:18                       ` Ram
2005-04-25 19:10                         ` Jamie Lokier
2005-04-26  9:16                           ` Miklos Szeredi
2005-04-26  9:19                             ` Christoph Hellwig
2005-04-26  9:22                               ` Miklos Szeredi
2005-04-26  9:36                                 ` Christoph Hellwig
2005-04-26  9:41                                   ` Miklos Szeredi
2005-04-26  9:47                                     ` Christoph Hellwig
2005-04-26  9:53                                       ` Miklos Szeredi
2005-04-26  9:56                                         ` Christoph Hellwig
2005-04-26 10:01                                           ` Miklos Szeredi
2005-04-26 10:09                                             ` Christoph Hellwig
2005-04-26 12:08                                               ` Miklos Szeredi
2005-04-26 10:02                                           ` Christoph Hellwig
2005-04-26 13:19                                       ` Pavel Machek
2005-04-26 13:28                                         ` Miklos Szeredi
2005-04-26 20:14                                           ` Pavel Machek
2005-04-27  8:49                                             ` Miklos Szeredi
2005-04-27  9:24                                               ` Pavel Machek
2005-04-27 10:42                                                 ` Miklos Szeredi
2005-04-27 11:57                                                   ` Jan Hudec
2005-04-27 12:23                                                     ` Miklos Szeredi
2005-04-27 12:39                                                       ` Jan Hudec
2005-04-27 13:22                                                         ` Miklos Szeredi
2005-04-27 14:40                                                           ` Jamie Lokier
2005-04-27 14:58                                                           ` Pavel Machek
2005-04-27 23:21                                                             ` Trond Myklebust
2005-04-28  8:24                                                               ` Pavel Machek
2005-04-28  8:28                                                                 ` Miklos Szeredi
2005-04-28 11:35                                                                 ` Trond Myklebust
2005-04-28 17:58                                                                   ` Bryan Henderson
2005-04-28 19:46                                                                     ` Trond Myklebust
2005-04-28 22:38                                                                       ` Bryan Henderson
2005-04-29  0:35                                                                         ` Trond Myklebust
2005-04-27 14:31                                                   ` Jamie Lokier
2005-04-27 14:46                                                     ` Miklos Szeredi
2005-04-27 14:55                                                       ` Miklos Szeredi
2005-04-27 15:33                                                       ` Martin Mares
2005-04-27 15:50                                                         ` Lars Marowsky-Bree
2005-04-27 16:46                                                           ` Martin Mares
2005-04-27 17:38                                                             ` Miklos Szeredi
2005-04-27 17:54                                                               ` Martin Mares
2005-04-27 18:05                                                                 ` Miklos Szeredi
2005-04-27 18:25                                                                   ` Martin Mares
2005-04-27 18:42                                                                     ` Miklos Szeredi
2005-04-28 13:08                                                                   ` Pavel Machek
2005-04-28 19:41                                                                     ` Miklos Szeredi
2005-04-28 20:21                                                                       ` Pavel Machek
2005-04-27 17:33                                                           ` Miklos Szeredi
2005-04-27 17:39                                                             ` Ram
2005-04-27 17:47                                                               ` Miklos Szeredi
2005-04-27 17:55                                                                 ` Ram
2005-04-27 18:09                                                                   ` Miklos Szeredi
2005-04-27 19:40                                                                     ` Ram
2005-04-27 20:03                                                                       ` Miklos Szeredi
2005-04-27 21:38                                                                         ` Ram
2005-04-28  7:00                                                                           ` Miklos Szeredi
2005-04-28 19:30                                                                             ` Ram
2005-04-27 20:55                                                                       ` Bill Davidsen
2005-04-28  7:24                                                                         ` Miklos Szeredi
     [not found]                                                             ` <20050427174641.GZ4431@marowsky-bree.de>
2005-04-27 17:52                                                               ` Miklos Szeredi
2005-04-26 10:00                                     ` Andrew Morton
2005-04-26 10:04                                       ` Christoph Hellwig
2005-04-26 10:14                                         ` Andrew Morton
2005-04-26 10:38                                           ` Christoph Hellwig
2005-04-26 13:05                                             ` Eric Van Hensbergen
2005-04-26 14:14                                               ` Miklos Szeredi
2005-04-26 15:01                                                 ` Eric Van Hensbergen
2005-04-26 18:55                                         ` Bryan Henderson
2005-04-26  9:30                             ` Martin Mares
2005-04-25 19:02                       ` Bryan Henderson
2005-04-26  8:58                         ` Jan Hudec
2005-04-26 11:48                         ` Bodo Eggert
2005-04-26 17:10                           ` Bryan Henderson
2005-04-26 20:08                             ` Bodo Eggert
2005-04-26 22:07                               ` Bryan Henderson
2005-04-27  8:18                                 ` Bodo Eggert
2005-04-25 19:03                       ` Jamie Lokier
2005-04-26  9:05                       ` Jan Hudec
2005-04-26 11:46                         ` Bodo Eggert
  -- strict thread matches above, loose matches on Subject: below --
2005-05-10 18:28 Nir Tzachar
2005-05-10 19:15 ` Jan Hudec

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