From: "Dr. Giovanni A. Orlando" <gorlando@futuretg.com>
To: Peter Foldiak <Peter.Foldiak@st-andrews.ac.uk>
Cc: Horst von Brand <vonbrand@inf.utfsm.cl>,
Christian Mayrhuber <christian.mayrhuber@gmx.net>,
reiserfs-list@namesys.com, Hans Reiser <reiser@namesys.com>,
Paolo Ciarrocchi <paolo.ciarrocchi@gmail.com>,
linux-kernel@vger.kernel.org
Subject: Re: file as a directory
Date: Tue, 30 Nov 2004 18:23:13 +0000 [thread overview]
Message-ID: <41ACBA91.8020806@futuretg.com> (raw)
In-Reply-To: <1101834194.17826.194.camel@pear.st-and.ac.uk>
Peter Foldiak wrote:
>On Tue, 2004-11-30 at 16:31, Horst von Brand wrote:
>
>
>>>But namespace unification is important,
>>>
>>>
>>Why? Directories are directories, files are files, file contents is file
>>contents. Mixing them up is a bad idea.
>>
>>
>
>I disagree, I think it is a good idea.
>
>
Hi,
Please remember DOS.
In DOS a directory is a file with a SPECIAL attrib: D_DIR.
In Unix, is basically the same.
There are nothing bad. The attrib specify that a file with the
directory attrib
may include additional files or directories.
Thanks,
Giovanni.
>Why is namespace unification important? Because you can use the same
>tools on everything. Previously, each tool could handle one namespace.
>
>A very simple example would be:
>I want to count the words in the Appendix of my book.
>If I can't select the appendix, my "wc" tool is useless (or very
>difficult to use). On the other hand if I can say
>
>wc ~/book/Appendix
>
>it's fine. Hans Reiser would say that "namespaces are the roads and
>waterways of the operating system" and "the value of an operating system
>is proportional to the number of connections you can make". I think he
>is right in that. And the authors of Unix knew it too, when they used
>the same namespace for devices and files. They didn't say "files are
>files and devices are devices". They said the difference should not
>matter to the applications.
>But there is still namespace fragmentation even in Unix, and this is
>just one of them.
>
>
>
>> Sure, you could build a filesystem
>>of sorts (perhaps more in the vein of persistent programming, or even data
>>base systems) where there simply is no distinction (because there are no
>>differences to show), but that is something different.
>>
>>
>>
>>> and to unify the namespace, you
>>>have to use the same syntax. I guess you disagree with me on that. (If
>>>not, how would you do it?)
>>>
>>>
>>I'd go one level up: Eliminate the distinctions that bother you, not try to
>>patch over them.
>>
>>
>
>But that is my point too. Peter
>
>
>
--
--
--
Check FT Websites ... http://www.futuretg.com - ftp://ftp.futuretg.com
http://www.FTLinuxCourse.com
http://www.FTLinuxCourse.com/Certification
http://www.rpmparadaise.org
http://GNULinuxUtilities.com
http://www.YourPersonalOperatingSystem.com
WorldWide Global Mobile: +39 393 665 4239
--
next prev parent reply other threads:[~2004-11-30 17:24 UTC|newest]
Thread overview: 107+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-22 13:54 file as a directory Amit Gud
2004-11-22 14:37 ` Martin Waitz
2004-11-22 15:34 ` Zan Lynx
2004-11-22 17:18 ` Martin Waitz
2004-11-22 18:16 ` Jan Engelhardt
2004-11-22 14:38 ` Al Viro
2004-11-22 15:04 ` Helge Hafting
2004-11-22 17:15 ` Tomas Carnecky
2004-11-22 18:48 ` Hans Reiser
2004-11-24 9:16 ` Peter Foldiak
2004-11-24 14:05 ` Jan Engelhardt
2004-11-24 15:02 ` Paolo Ciarrocchi
2004-11-24 15:25 ` Peter Foldiak
2004-11-26 16:13 ` Hans Reiser
2004-11-24 16:11 ` Christian Mayrhuber
2004-11-25 10:50 ` Peter Foldiak
2004-11-26 18:19 ` Hans Reiser
2004-11-26 21:13 ` Christian Mayrhuber
2004-11-27 11:09 ` Peter Foldiak
2004-11-27 13:14 ` Christian Mayrhuber
2004-11-29 21:20 ` Horst von Brand
2004-11-29 22:59 ` Peter Foldiak
2004-11-29 23:35 ` Kevin Fox
2004-11-30 8:54 ` Peter Foldiak
2004-11-30 16:28 ` Kevin Fox
2004-11-30 16:42 ` Jan Engelhardt
2004-11-30 17:35 ` Jesse Pollard
2004-11-30 17:49 ` Jan Engelhardt
2004-11-30 18:26 ` Amit Gud
2004-11-30 18:39 ` Jan Engelhardt
2004-12-01 2:44 ` Scott Young
2004-12-03 9:58 ` Amit Gud
2004-11-30 14:51 ` Horst von Brand
2004-11-30 15:29 ` Peter Foldiak
2004-11-30 16:31 ` Horst von Brand
2004-11-30 17:03 ` Hans Reiser
2004-12-14 16:58 ` Peter Foldiak
2004-12-14 17:21 ` Jan Engelhardt
2004-12-14 18:11 ` Peter Foldiak
2004-12-14 18:16 ` Jan Engelhardt
2004-12-14 17:24 ` Hans Reiser
2004-12-14 21:27 ` Peter Foldiak
2004-12-15 4:47 ` David Masover
2004-12-15 5:28 ` Hans Reiser
2004-12-16 0:16 ` David Masover
2004-12-16 18:52 ` Hans Reiser
2004-12-17 15:58 ` David Masover
2004-12-17 16:52 ` Hans Reiser
2004-12-18 1:52 ` Horst von Brand
2004-12-20 17:21 ` Hans Reiser
2004-12-15 9:27 ` Peter Foldiak
2004-12-15 23:56 ` David Masover
2004-12-16 18:48 ` Hans Reiser
2004-12-16 19:01 ` Peter Foldiak
2004-12-17 18:09 ` Hans Reiser
2004-12-18 0:20 ` David Masover
2004-12-17 16:02 ` David Masover
2004-12-17 16:54 ` Hans Reiser
2004-12-15 5:19 ` Hans Reiser
2004-12-14 19:30 ` Horst von Brand
2004-12-15 4:52 ` David Masover
2004-12-15 5:31 ` Hans Reiser
2004-12-15 5:10 ` Hans Reiser
2004-12-15 13:28 ` Horst von Brand
2004-12-15 16:57 ` Hans Reiser
2004-12-15 19:11 ` Markus Törnqvist
2004-12-15 20:57 ` Hans Reiser
2004-11-30 17:03 ` Peter Foldiak
2004-11-30 17:50 ` Horst von Brand
2004-11-30 18:23 ` Dr. Giovanni A. Orlando [this message]
2004-11-29 23:11 ` Peter Foldiak
2004-11-30 16:04 ` Martin Waitz
2004-11-27 12:49 ` Markus Törnqvist
2004-11-29 15:41 ` Hans Reiser
2004-11-26 17:43 ` Hans Reiser
2004-11-27 11:50 ` Tomasz Torcz
2005-05-10 9:39 ` Peter Foldiak
2005-05-10 14:53 ` Hans Reiser
2005-05-10 15:32 ` Peter Foldiak
2005-05-10 16:30 ` Sean McGrath
2005-05-10 17:25 ` Hans Reiser
2005-05-10 17:39 ` Sean McGrath
2005-05-10 18:52 ` Hans Reiser
2005-05-10 19:39 ` Sean McGrath
2005-05-10 20:11 ` Hans Reiser
2005-05-16 12:32 ` Leo Comerford
2005-05-10 15:14 ` Valdis.Kletnieks
2005-05-10 15:38 ` Peter Foldiak
2005-05-10 17:20 ` Hans Reiser
2005-05-11 10:23 ` Helge Hafting
2004-11-23 6:20 ` Amit Gud
2004-11-24 10:32 ` Helge Hafting
2004-11-24 11:07 ` Amit Gud
2004-11-25 23:09 ` Pavel Machek
2004-11-28 18:53 ` Helge Hafting
2004-11-28 19:01 ` Pavel Machek
2004-11-22 17:59 ` Valdis.Kletnieks
2004-11-22 18:24 ` Jan Engelhardt
2004-11-22 18:52 ` Hans Reiser
2004-11-22 19:05 ` Jan Engelhardt
2004-11-23 9:46 ` Amit Gud
2004-11-23 14:00 ` Jan Engelhardt
2004-11-23 14:17 ` Amit Gud
2004-11-23 9:11 ` Dirk Steinberg
2004-11-23 9:37 ` Markus Törnqvist
2004-11-23 19:00 ` Hans Reiser
[not found] <fa.imi6gu8.1e7qkqc@ifi.uio.no>
[not found] ` <fa.hcr9rb0.k6egam@ifi.uio.no>
2004-11-26 4:11 ` Bodo Eggert
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=41ACBA91.8020806@futuretg.com \
--to=gorlando@futuretg.com \
--cc=Peter.Foldiak@st-andrews.ac.uk \
--cc=christian.mayrhuber@gmx.net \
--cc=linux-kernel@vger.kernel.org \
--cc=paolo.ciarrocchi@gmail.com \
--cc=reiser@namesys.com \
--cc=reiserfs-list@namesys.com \
--cc=vonbrand@inf.utfsm.cl \
/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