From: Andi Kleen <andi@firstfloor.org>
To: Michal Hocko <mhocko@suse.cz>
Cc: Meelis Roos <mroos@linux.ee>,
Linux Kernel list <linux-kernel@vger.kernel.org>,
linux-fsdevel@vger.kernel.org
Subject: Re: file offset corruption on 32-bit machines?
Date: Thu, 10 Apr 2008 17:33:47 +0200 [thread overview]
Message-ID: <87k5j5n2qs.fsf@basil.nowhere.org> (raw)
In-Reply-To: <200804101555.58643.mhocko@suse.cz> (Michal Hocko's message of "Thu, 10 Apr 2008 15:55:58 +0200")
Michal Hocko <mhocko@suse.cz> writes:
> [Adding fsdevel list]
>
> On Tuesday 08 April 2008 10:05:47 am Meelis Roos wrote:
>> Jeff Robertson analyzes the behaviour of different operating systems'
>> 64-bit file offset implementation and concludes that on 32-bit
>> machines, Linux and Solaris lack any locking to keep the two 32-bit
>> halves in sync and this could cause rare file offset corruption.
>>
>> http://jeffr-tech.livejournal.com/21014.html
>
> AFAICS, this race is theoretically possible, but it is very hard (almost
> impossible) to trigger with a sane file usage pattern.
We discussed this extensively some time ago in
http://thread.gmane.org/gmane.linux.file-systems/20712/focus=20771
No solution so far
-Andi
next prev parent reply other threads:[~2008-04-10 15:36 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-08 8:05 file offset corruption on 32-bit machines? Meelis Roos
2008-04-10 13:55 ` Michal Hocko
2008-04-10 14:01 ` Jiri Kosina
2008-04-10 14:27 ` Jan Kara
2008-04-10 14:31 ` Jiri Kosina
2008-04-10 14:48 ` Matthew Wilcox
2008-04-10 15:22 ` Jan Kara
2008-04-10 15:30 ` Matthew Wilcox
2008-04-10 15:19 ` Jan Kara
2008-04-10 15:37 ` Michal Hocko
2008-04-10 15:56 ` Jan Kara
2008-04-10 16:03 ` Diego Calleja
2008-04-10 16:03 ` Diego Calleja
2008-04-10 16:15 ` Jan Kara
2008-04-11 19:26 ` Pavel Machek
2008-04-14 16:25 ` Jan Kara
2008-04-10 14:31 ` Michal Hocko
2008-04-10 14:35 ` Jiri Kosina
2008-04-10 14:11 ` Martin Mares
2008-04-10 15:12 ` Jan Kara
2008-04-10 15:14 ` Jamie Lokier
2008-04-10 15:21 ` Matthew Wilcox
2008-04-10 15:28 ` Jan Kara
2008-04-10 15:33 ` Andi Kleen [this message]
[not found] <agh4d-6yc-35@gated-at.bofh.it>
[not found] ` <ah5tY-3lR-7@gated-at.bofh.it>
[not found] ` <ah5DA-3X9-9@gated-at.bofh.it>
[not found] ` <ah5X5-4tl-13@gated-at.bofh.it>
[not found] ` <ah66A-4Nk-7@gated-at.bofh.it>
[not found] ` <ah7vN-7Wz-9@gated-at.bofh.it>
2008-04-11 12:24 ` Bodo Eggert
2008-04-11 12:24 ` Bodo Eggert
2008-04-11 13:55 ` Lennart Sorensen
2008-04-11 16:59 ` Bryan Henderson
2008-04-11 17:15 ` Lennart Sorensen
2008-04-11 21:29 ` Bryan Henderson
2008-04-12 8:48 ` Pavel Machek
2008-04-14 16:20 ` Jan Kara
2008-04-14 16:22 ` Lennart Sorensen
2008-04-14 16:53 ` Jan Kara
2008-04-14 16:54 ` Alan Cox
2008-04-14 18:34 ` Alexey Dobriyan
2008-04-14 17:06 ` Lennart Sorensen
2008-04-14 19:03 ` Jan Kara
2008-04-14 19:29 ` Lennart Sorensen
2008-04-14 19:42 ` Jan Kara
2008-04-14 19:45 ` Lennart Sorensen
2008-04-15 8:57 ` Pavel Machek
2008-04-15 15:32 ` Lennart Sorensen
2008-04-15 17:34 ` Pavel Machek
2008-04-15 18:24 ` Lennart Sorensen
2008-04-15 19:12 ` Pavel Machek
2008-04-15 19:49 ` Lennart Sorensen
2008-04-15 20:06 ` Pavel Machek
2008-04-15 20:28 ` Peter Zijlstra
2008-04-16 8:15 ` Pavel Machek
2008-04-16 8:20 ` Peter Zijlstra
2008-04-16 10:54 ` Alan Cox
2008-04-16 13:57 ` Lennart Sorensen
2008-04-15 20:29 ` Lennart Sorensen
2008-04-15 22:11 ` Bryan Henderson
2008-04-16 9:40 ` Jamie Lokier
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