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From: Carsten Otte <cotte@freenet.de>
To: Andrew Morton <akpm@osdl.org>, "Stephen C. Tweedie" <sct@redhat.com>
Cc: torvalds@osdl.org, linux-fsdevel@vger.kernel.org,
	schwidefsky@de.ibm.com, cotte@de.ibm.com, sct@redhat.com
Subject: Re: [PATCH] ext3 [linux-2.6.2.]: accessing already freed inodes when under memory pressure
Date: Thu, 19 Feb 2004 21:28:06 +0100	[thread overview]
Message-ID: <200402192128.12923.cotte@freenet.de> (raw)
In-Reply-To: <20040219104905.7d87f351.akpm@osdl.org>

Am Donnerstag 19 Februar 2004 19:49 schrieb Andrew Morton:
> There are a lot of places where we don't actually hold inode->i_sem while
> diddling inode->i_nlink: ext3_unlink, ext3_rename, others.
>
> hmm, I wonder if that could be it?  If the inode is hardlinked into a
> different directory then the parent dir's i_sem gives us no i_nlink
> protection.
>
> Carsten, are you aware of a particular workload which triggers this?
So far not, all I know is the symptom and a probable cause may be the 
sys_unlink path. I will try to dig that direction with another debugging 
patch tomorrow.


  reply	other threads:[~2004-02-19 20:24 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-02-19 12:21 [PATCH] ext3 [linux-2.6.2.]: accessing already freed inodes when under memory pressure Carsten Otte
2004-02-19 16:53 ` Linus Torvalds
2004-02-19 17:39   ` Stephen C. Tweedie
2004-02-19 18:49     ` Andrew Morton
2004-02-19 20:28       ` Carsten Otte [this message]
2004-02-19 20:26         ` viro
2004-02-19 20:35           ` Carsten Otte
2004-02-19 20:14     ` Carsten Otte
2004-02-20  3:41       ` Andrew Morton
2004-02-19 20:19   ` Carsten Otte
     [not found] ` <20040220164325.659c4e45.akpm@osdl.org>
     [not found]   ` <200402241338.57855.cotte@freenet.de>
2004-02-24 22:55     ` Andrew Morton
  -- strict thread matches above, loose matches on Subject: below --
2004-02-19 18:00 Martin Schwidefsky
2004-03-29 19:07 Martin Schwidefsky
2004-03-29 20:11 ` Linus Torvalds
2004-03-29 20:29   ` Dave Kleikamp
2004-03-30 11:57 Martin Schwidefsky
2004-03-30 13:39 ` David Woodhouse
2004-03-30 14:16   ` Matthew Wilcox
2004-03-30 15:51   ` Linus Torvalds
2004-04-02 16:12     ` viro
2004-04-02 18:01       ` viro
2004-04-02 18:52         ` Linus Torvalds
2004-04-02 19:02           ` Linus Torvalds
2004-04-02 19:10             ` viro
2004-04-02 19:07           ` viro
2004-04-02 20:23             ` viro
2004-04-02 22:40               ` Trond Myklebust
2004-04-02 23:06                 ` viro
2004-04-02 23:23                   ` Trond Myklebust
2004-04-03  0:53                     ` Neil Brown
2004-04-02 23:19                 ` Trond Myklebust
2004-04-02 19:17           ` Jamie Lokier
2004-04-02 19:25             ` viro
2004-04-02 19:32             ` Linus Torvalds
2004-04-02 19:37               ` viro
2004-04-02 19:45                 ` Linus Torvalds
2004-04-02 20:08                   ` viro
2004-04-02 20:40               ` Jamie Lokier
2004-04-02 20:59                 ` Christoph Hellwig
2004-04-02 21:09                   ` viro
2004-04-02 23:42                   ` Jamie Lokier
2004-04-02 21:08                 ` viro
2004-04-03  0:39                   ` Jamie Lokier
2004-04-05 14:07                   ` Stephen C. Tweedie
2004-03-30 15:07 ` Linus Torvalds
2004-04-02 16:14   ` viro
2004-03-30 15:13 Martin Schwidefsky

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