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From: Michael Tokarev <mjt@tls.msk.ru>
To: Kirill Korotaev <dev@openvz.org>
Cc: Andrew Morton <akpm@osdl.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] ext3: ext3_symlink should use GFP_NOFS allocations inside
Date: Fri, 10 Mar 2006 16:02:07 +0300	[thread overview]
Message-ID: <441178CF.7040705@tls.msk.ru> (raw)
In-Reply-To: <44106393.2050207@openvz.org>

Kirill Korotaev wrote:
> This patch fixes illegal __GFP_FS allocation inside ext3
> transaction in ext3_symlink().
> Such allocation may re-enter ext3 code from
> try_to_free_pages. But JBD/ext3 code keeps a pointer to current
> journal handle in task_struct and, hence, is not reentrable.
> 
> This bug led to "Assertion failure in journal_dirty_metadata()" messages.
> 
> http://bugzilla.openvz.org/show_bug.cgi?id=115

Is it the same bug as http://marc.theaimsgroup.com/?t=113870577100003&r=1&w=2 ?

Thanks.

/mjt

  parent reply	other threads:[~2006-03-10 13:02 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-03-09 17:19 [PATCH] ext3: ext3_symlink should use GFP_NOFS allocations inside Kirill Korotaev
2006-03-09 21:04 ` Al Viro
2006-03-10 13:02 ` Michael Tokarev [this message]
2006-03-10 20:21   ` Andrew Morton
  -- strict thread matches above, loose matches on Subject: below --
2006-03-10  8:08 Kirill Korotaev
2006-03-10  8:31 ` Al Viro
2006-03-10  8:46   ` Kirill Korotaev

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