From: William <wh@designed4u.net>
To: linux-kernel@vger.kernel.org
Cc: wh@designed4u.net
Subject: the umount() saga for regular linux desktop users
Date: Fri, 31 Dec 2004 17:41:02 +0000 [thread overview]
Message-ID: <200412311741.02864.wh@designed4u.net> (raw)
Hi
I am a linux desktop user. I love linux and all the wonderfull
open-source/free software that comes with it... blah, blah, blah :). The
following comments and suggestions about umount() stem from personal
experience and are meant as friendly feedback for all you clever people. (I
wish I understook how the kernel works)
Regularly, when attempting to umount() a filesystem I receive 'device is busy'
errors. The only way (that I have found) to solve these problems is to go on
a journey into processland and kill all the guilty ones that have tied
themselves to the filesystem concerned.
In order to help solve this problem is it possible to modify the behaviour of
the linux kernel.
In my opinion, in order for linux to be trully user friendly, "a umount()
should NEVER fail" (even if the device containing the filesystem is no
longuer attached to the system). The kernel should do it's best to satisfy
the umount request and cleanup. Maybe the kernel could try some of the
following:
1) if the device containing the filesystem (for local filesystems) is no
longer physicaly attached to the system: revoke all process access to the
filesystem and umount. Notify umount that the filesystem was not cleanly
umounted.
2) notify all processes attached to the filesystem that they must release
control of it.
3) the processes may respond to the notifications and request time to clean up
in order to read/write any remaining data.
4) processes that do not respond within a given time-frame should have their
filesystem access revoked.
5) once all the clean up has finnished... umount the filesystem.....
I am not subscribed to the list so please email me on wh@designed4u.net
Kind Regards
William Heyland
the new "a umount() should NEVER fail" campaign launched by me on december the
31 of 2004. Just in time for new year ;-)
PS: I am currently teaching myself about kernels in general and am hoping to
start contributing to linux soon. But until then... if the kernel can't
handle a umount() then nothing in userspace can do any better... rant, rant,
rant, ... make umount() smarter.... Please?
next reply other threads:[~2004-12-31 17:39 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-31 17:41 William [this message]
2004-12-31 17:47 ` the umount() saga for regular linux desktop users Arjan van de Ven
2004-12-31 17:48 ` Ush
2004-12-31 18:22 ` Gene Heskett
2004-12-31 18:31 ` Miquel van Smoorenburg
2004-12-31 21:48 ` Tom Felker
2005-01-01 0:07 ` Gene Heskett
2004-12-31 17:50 ` Andries Brouwer
2005-01-01 19:40 ` Andy Lutomirski
2004-12-31 17:51 ` Gene Heskett
2005-01-16 4:39 ` Greg Stark
[not found] <fa.iji5lco.m6nrs@ifi.uio.no>
[not found] ` <fa.fv0gsro.143iuho@ifi.uio.no>
2005-01-02 12:38 ` Bodo Eggert
2005-01-02 20:27 ` Adrian Bunk
2005-01-03 0:37 ` Bodo Eggert
2005-01-02 22:43 ` Valdis.Kletnieks
2005-01-04 20:28 ` Lee Revell
2005-01-05 2:12 ` Bodo Eggert
2005-01-02 19:37 Pavel Machek
2005-01-02 20:11 ` Adrian Bunk
2005-01-02 20:15 ` Pavel Machek
2005-01-02 20:34 ` Oliver Neukum
2005-01-02 20:51 ` Adrian Bunk
2005-01-02 20:56 ` Pavel Machek
2005-01-02 21:05 ` Adrian Bunk
2005-01-03 9:35 ` Frank van Maarseveen
2005-01-03 19:14 ` Ingo Oeser
2005-01-02 20:36 ` Adrian Bunk
2005-01-03 1:36 ` Puneet Vyas
2005-01-02 20:36 ` Andreas Schwab
[not found] <fa.foeqpaf.nlmd9n@ifi.uio.no>
[not found] ` <fa.d9avdr3.1jm46gr@ifi.uio.no>
2005-01-03 1:17 ` Bodo Eggert
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