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From: Jamie Lokier <jamie@shareable.org>
To: Pavel Machek <pavel@ucw.cz>
Cc: "Jörn Engel" <joern@wohnheim.fh-wedel.de>,
	mj@ucw.cz, jack@ucw.cz,
	"Patrick J. LoPresti" <patl@users.sourceforge.net>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] cowlinks v2
Date: Sat, 3 Apr 2004 02:04:25 +0100	[thread overview]
Message-ID: <20040403010425.GJ653@mail.shareable.org> (raw)
In-Reply-To: <20040402213933.GB246@elf.ucw.cz>

Here's a tricky situation:

   1. A file is cowlinked.  Then each cowlink is mmap()'d, one per process.

   2. At this point both mappings share the same pages in RAM.

   3. Then one of the cowlinks is written to...

-- Jamie

  parent reply	other threads:[~2004-04-03  1:04 UTC|newest]

Thread overview: 95+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-03-20  8:34 [PATCH] cowlinks v2 Jörn Engel
2004-03-20  8:49 ` Andrew Morton
2004-03-20 11:27   ` Jörn Engel
2004-03-20 19:28     ` Andrew Morton
2004-03-21 12:43       ` Jörn Engel
2004-03-21 18:53       ` Jörn Engel
     [not found] ` <mit.lcs.mail.linux-kernel/20040320083411.GA25934@wohnheim.fh-wedel.de>
2004-03-20 15:03   ` Patrick J. LoPresti
2004-03-20 15:23     ` Jörn Engel
2004-03-29 17:12       ` Pavel Machek
2004-03-29 21:05         ` Patrick J. LoPresti
2004-03-29 23:16           ` Pavel Machek
2004-03-31 14:34             ` Jamie Lokier
2004-03-31 14:45               ` Pavel Machek
2004-03-31 15:20                 ` Jamie Lokier
2004-04-02 11:44                 ` Tim Connors
2004-04-02 16:54             ` Jörn Engel
2004-04-02 18:01               ` Pavel Machek
2004-04-02 18:17                 ` Jörn Engel
2004-04-02 18:23                   ` Pavel Machek
2004-04-02 19:28                     ` Ross Biro
2004-04-02 21:35                       ` Pavel Machek
2004-04-05  8:12                       ` Jörn Engel
2004-04-05  8:19                         ` Pavel Machek
2004-04-05  8:45                           ` Jörn Engel
2004-04-02 20:09                     ` Jamie Lokier
2004-04-02 21:39                       ` Pavel Machek
2004-04-02 22:00                         ` Chris Friesen
2004-04-03  0:49                           ` Jamie Lokier
2004-04-03  8:23                             ` Pavel Machek
2004-04-03 13:15                               ` Jamie Lokier
2004-04-05  8:19                                 ` Jörn Engel
2004-04-05  8:22                                   ` Pavel Machek
2004-04-03  0:46                         ` Jamie Lokier
2004-04-03  1:04                         ` Jamie Lokier [this message]
2004-04-03  1:21                           ` Erik Andersen
2004-04-03  1:59                             ` Jamie Lokier
2004-04-03  3:55                               ` Ross Biro
2004-04-03  9:09                               ` Pavel Machek
2004-04-03 13:27                                 ` Jamie Lokier
2004-04-03 18:39                           ` Eric W. Biederman
2004-04-03 19:43                             ` Jamie Lokier
2004-04-03 20:30                               ` Eric W. Biederman
2004-04-03 21:59                                 ` Jamie Lokier
2004-04-04  8:15                                   ` Eric W. Biederman
2004-04-05  8:35                               ` Jörn Engel
2004-04-05  9:15                                 ` Eric W. Biederman
2004-04-05  9:18                                   ` Jörn Engel
2004-04-05 11:43                                   ` Pavel Machek
2004-04-05 12:17                                     ` Jamie Lokier
2004-04-05 12:39                                   ` Jamie Lokier
2004-04-05 12:41                                 ` Jamie Lokier
2004-04-05 18:03                                   ` Jörn Engel
2004-04-05 11:10                         ` jlnance
2004-04-05 11:46                           ` Pavel Machek
2004-04-05 12:35                           ` Jamie Lokier
2004-04-05  8:43                     ` Jörn Engel
2004-04-03 19:47               ` Eric W. Biederman
2004-04-05  8:54                 ` Jörn Engel
2004-04-05  9:07                   ` Eric W. Biederman
2004-03-20 16:48     ` Davide Libenzi
2004-03-21 12:57       ` Jörn Engel
2004-03-21 17:59         ` Davide Libenzi
2004-03-21 18:14           ` Jörn Engel
2004-03-21 20:26             ` Davide Libenzi
2004-03-21 20:35               ` Jörn Engel
2004-03-22  0:18             ` Eric W. Biederman
2004-03-22  0:25               ` Davide Libenzi
2004-03-22  5:07                 ` Eric W. Biederman
2004-03-22  5:11                   ` Davide Libenzi
2004-03-22 11:20                     ` Eric W. Biederman
2004-03-22 16:02                       ` Davide Libenzi
2004-03-25 17:49               ` Jamie Lokier
2004-03-25 18:06                 ` Eric W. Biederman
2004-03-25 19:43                   ` Jamie Lokier
2004-03-25 20:38                     ` Linus Torvalds
2004-03-25 22:16                       ` Eric W. Biederman
2004-04-01 14:53                         ` Jörn Engel
2004-04-02 11:54                         ` Tim Connors
2004-03-25 21:46                     ` Eric W. Biederman
2004-03-27 10:28                       ` Jamie Lokier
2004-03-27 21:00                         ` Eric W. Biederman
2004-03-27 21:42                           ` Jamie Lokier
2004-03-27 23:45                             ` Eric W. Biederman
2004-03-28  0:43                               ` Eric W. Biederman
2004-03-28 12:22                                 ` Jamie Lokier
2004-03-28 20:07                                   ` Eric W. Biederman
2004-03-28 23:55                                     ` Jamie Lokier
2004-03-29  1:31                                       ` Eric W. Biederman
2004-03-29 12:36                                         ` Jamie Lokier
2004-03-29 19:36                                           ` Eric W. Biederman
2004-03-29 23:05                                             ` Jamie Lokier
2004-03-29 23:58                                               ` Eric W. Biederman
2004-03-29  7:45                                       ` Denis Vlasenko
2004-03-29  9:28                             ` Pavel Machek
2004-03-29 12:40                               ` Jamie Lokier

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