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From: Eric Sandeen <sandeen@redhat.com>
To: Alex Tomas <alex@clusterfs.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	ext4 development <linux-ext4@vger.kernel.org>
Subject: Re: [PATCH] [RFC] remove ext3 inode from orphan list when link and unlink race
Date: Fri, 12 Jan 2007 15:48:03 -0600	[thread overview]
Message-ID: <45A80213.5060401@redhat.com> (raw)
In-Reply-To: <m3lkk8ym2f.fsf@bzzz.home.net>

Alex Tomas wrote:
>>>>>> Eric Sandeen (ES) writes:
> 
>  ES> so I think it's possible that link can sneak in there & find it after
>  ES> the mutex is dropped...?  Is this ok? :)  It's certainly -happening-
>  ES> anyway....
> 
> yes, but it shouldn't allow to re-link such inode back, IMHO.
> a filesystem may start some non-revertable activity in its
> unlink method.
> 
> thanks, Alex

I tend to agree, chatting w/ Al I think he does too.  :)  I'll test
a patch that kicks out ext3_link() with -ENOENT at the top, and resubmit
that if things go well.

-Eric

  reply	other threads:[~2007-01-12 21:48 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-12 20:45 Eric Sandeen
2007-01-12 21:02 ` Alex Tomas
2007-01-12 21:14   ` Eric Sandeen
2007-01-12 21:25     ` Alex Tomas
2007-01-12 21:48       ` Eric Sandeen [this message]
2007-01-12 21:55         ` Alex Tomas
2007-01-12 22:01           ` Eric Sandeen
2007-01-12 22:07             ` Alex Tomas
2007-01-12 22:35         ` Eric Sandeen
2007-01-12 21:17   ` Alex Tomas
2007-01-12 21:24   ` Dave Kleikamp
2007-01-14 11:58 ` Dmitriy Monakhov
2007-01-14 15:42   ` Eric Sandeen

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