From: Stephan von Krawczynski <skraw@ithnet.com>
To: Andrew Pimlott <andrew@pimlott.net>
Cc: aia21@cam.ac.uk, aebr@win.tue.nl, linux-kernel@vger.kernel.org
Subject: Re: FS: hardlinks on directories
Date: Tue, 5 Aug 2003 02:19:38 +0200 [thread overview]
Message-ID: <20030805021938.7e547cce.skraw@ithnet.com> (raw)
In-Reply-To: <20030804225819.GA23512@pimlott.net>
On Mon, 4 Aug 2003 18:58:19 -0400
Andrew Pimlott <andrew@pimlott.net> wrote:
> On Mon, Aug 04, 2003 at 04:50:02PM +0200, Stephan von Krawczynski wrote:
> > There is a flaw in this argument. If I am told that mount --bind
> > does just about what I want to have as a feature then these
> > applictions must have the same problems already (if I mount
> > braindead). So an implementation in fs cannot do any _additional_
> > damage to these applications, or not?
>
> There is a flaw in this flaw. :-)
>
> /tmp# mkdir a
> /tmp# mkdir a/b
> /tmp# mkdir a/c
> /tmp# mount --bind a a/b
> /tmp# ls a
> b c
> /tmp# ls a/b
> b c
> /tmp# ls a/b/b/
> /tmp#
>
> It is enlightening in this regard to consider the difference between
> using unix /etc/fstab and Hurd translators to manage your namespace.
>
> In preparing this example, I discovered that find and ls -R already
> have hard-link cycle "protection" built in, so they are broken in
> the presence of bind mounts. :-(
Ok, so now we are at: application programmer expected hardlinks to exist, but
fs programmer says they won't because they break existing applications.
Now the discussion gets real interesting ;-)
Regards,
Stephan
next prev parent reply other threads:[~2003-08-05 0:19 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-04 12:15 FS: hardlinks on directories Stephan von Krawczynski
2003-08-04 12:45 ` Måns Rullgård
2003-08-04 13:22 ` Stephan von Krawczynski
2003-08-04 13:37 ` Christian Reichert
2003-08-04 13:44 ` Stephan von Krawczynski
2003-08-04 14:22 ` Christian Reichert
2003-08-04 15:31 ` Jeff Muizelaar
2003-08-04 16:15 ` Stephan von Krawczynski
2003-08-05 2:45 ` Neil Brown
2003-08-05 9:41 ` Stephan von Krawczynski
2003-08-06 1:12 ` Neil Brown
2003-08-06 10:14 ` Stephan von Krawczynski
2003-08-07 2:27 ` Neil Brown
2003-08-04 12:47 ` Nikita Danilov
2003-08-04 13:32 ` Stephan von Krawczynski
2003-08-04 13:44 ` Andries Brouwer
2003-08-04 13:56 ` Stephan von Krawczynski
2003-08-04 14:04 ` Anton Altaparmakov
2003-08-04 14:50 ` Stephan von Krawczynski
2003-08-04 20:03 ` Olivier Galibert
2003-08-04 21:16 ` Jesse Pollard
2003-08-04 23:34 ` Stephan von Krawczynski
2003-08-05 14:20 ` Jesse Pollard
2003-08-05 14:44 ` Stephan von Krawczynski
2003-08-04 22:58 ` Andrew Pimlott
2003-08-05 0:19 ` Stephan von Krawczynski [this message]
2003-08-05 1:18 ` Andrew Pimlott
2003-08-05 8:04 ` Stephan von Krawczynski
2003-08-05 11:18 ` Wakko Warner
2003-08-04 14:33 ` Jesse Pollard
2003-08-04 15:05 ` Stephan von Krawczynski
2003-08-04 15:57 ` Richard B. Johnson
2003-08-04 21:23 ` Jesse Pollard
2003-08-04 16:11 ` Adam Sampson
2003-08-04 17:00 ` Hans Reiser
2003-08-04 17:18 ` Sean Neakums
2003-08-05 4:53 ` jw schultz
2003-08-04 18:50 ` jlnance
2003-08-04 21:09 ` Jesse Pollard
2003-08-04 22:13 ` Stephan von Krawczynski
2003-08-04 22:32 ` Stephan von Krawczynski
2003-08-04 23:00 ` Randolph Bentson
2003-08-05 0:10 ` Stephan von Krawczynski
2003-08-05 2:09 ` Edgar Toernig
2003-08-05 8:05 ` Stephan von Krawczynski
2003-08-05 12:51 ` Helge Hafting
2003-08-05 13:03 ` Stephan von Krawczynski
2003-08-05 13:13 ` Bernd Petrovitsch
2003-08-05 13:39 ` Stephan von Krawczynski
2003-08-05 13:36 ` Richard B. Johnson
2003-08-05 14:04 ` Stephan von Krawczynski
2003-08-05 14:57 ` Richard B. Johnson
2003-08-05 15:08 ` Stephan von Krawczynski
2003-08-05 15:02 ` Jesse Pollard
2003-08-05 15:12 ` Stephan von Krawczynski
2003-08-05 15:44 ` Trond Myklebust
2003-08-05 14:56 ` Jesse Pollard
2003-08-05 22:08 ` Helge Hafting
2003-08-24 17:35 ` Hans Reiser
2003-08-24 19:02 ` Helge Hafting
2003-08-25 8:27 ` Nikita Danilov
2003-08-25 15:48 ` Hans Reiser
2003-08-05 14:12 ` Jesse Pollard
2003-08-05 14:21 ` Stephan von Krawczynski
2003-08-05 15:53 ` Herbert Pötzl
2003-08-04 20:47 ` Jan Harkes
2003-08-04 15:42 ` Brian Pawlowski
2003-08-04 15:56 ` Stephan von Krawczynski
2003-08-04 16:16 ` Herbert Pötzl
2003-08-04 16:35 ` Stephan von Krawczynski
2003-08-04 16:54 ` Herbert Pötzl
2003-08-04 17:18 ` Stephan von Krawczynski
2003-08-04 17:25 ` Herbert Pötzl
2003-08-04 21:38 ` Jesse Pollard
2003-08-05 0:06 ` Stephan von Krawczynski
2003-08-05 3:11 ` Neil Brown
2003-08-04 21:29 ` Jesse Pollard
2003-08-04 23:42 ` Stephan von Krawczynski
2003-08-05 16:46 ` viro
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20030805021938.7e547cce.skraw@ithnet.com \
--to=skraw@ithnet.com \
--cc=aebr@win.tue.nl \
--cc=aia21@cam.ac.uk \
--cc=andrew@pimlott.net \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).