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From: Chris Mason <mason@suse.com>
To: Alan Cox <alan@redhat.com>, Ken Moffat <ken@kenmoffat.uklinux.net>
Cc: Erik Mouw <J.A.K.Mouw@ITS.TUDelft.NL>,
	Linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: reiserfs: still problems with tail conversion
Date: Sat, 24 Feb 2001 19:41:57 -0500	[thread overview]
Message-ID: <878610000.983061717@tiny> (raw)
In-Reply-To: <E14Wlgs-0000Sp-00@the-village.bc.nu>



On Saturday, February 24, 2001 08:53:15 PM +0000 Alan Cox
<alan@lxorguk.ukuu.org.uk> wrote:

>> 32Mb. The test results vary depending on what else is on the partition,
>> but in each case the last file affected is 01017 and there are sequences
>> of previous_number+4, for up to 8 files (but next file after this might
>> be previous+7 or previous +15, or sporadic). From other problems I've
>> seen on the list, maybe I need more memory to run reiserfs ?
> 
> No. Reiserfs cannot go around corrupting files regardless of the amount of
> memory you have. What is however quite possible is that there is a race
> condition on reiserfs (or in the VFS) that is triggered when you are
> paging and programs are thus sleeping on buffer and memory allocations
> 
> 
Exactly.  The tail conversion code depends heavily on the page up to date
bit being set right.  It is more than possible that I've screwed up
something there, and the code thinks a page is valid when it really isn't.

-chris





  reply	other threads:[~2001-02-25  0:43 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-02-23 21:18 reiserfs: still problems with tail conversion Erik Mouw
2001-02-23 22:10 ` Chris Mason
2001-02-23 22:19   ` Erik Mouw
2001-02-24  2:52     ` Michal Gornisiewicz
2001-02-24  4:13     ` Meino Christian Cramer
2001-02-24  8:18     ` thunder7
2001-02-24 19:27     ` Ken Moffat
2001-02-24 20:53       ` Alan Cox
2001-02-25  0:41         ` Chris Mason [this message]
2001-02-25  4:21           ` Bernd Eckenfels
2001-02-25  5:41             ` Mike Galbraith
2001-02-25 13:53             ` Alan Cox
2001-02-25 16:37     ` Erik Mouw
2001-02-25 17:32       ` Erik Mouw
2001-02-26  2:40         ` [PATCH] " Chris Mason
2001-02-26 11:07           ` Erik Mouw
2001-02-26 15:37             ` Erik Mouw
2001-02-26 22:46           ` Ken Moffat
2001-02-25 20:32       ` Chris Mason
2001-02-24  0:34   ` Oliver Teuber
     [not found] ` <01022318321302.01755@flash>
2001-02-24  8:40   ` John E. Adams
2001-02-24 15:45 ` Arjan Filius
2001-02-24 16:24   ` [lkml]Re: " thunder7
2001-02-24 17:28   ` Chris Mason

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