linux-kernel - Re: [BUGFIX][PATCH v2 0/2] configfs: Fix cleanup after mkdir() failure

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Message-ID: <20080704163240.GQ30545@hawkmoon.kerlabs.com>
Date:	Fri, 4 Jul 2008 18:32:40 +0200
From:	Louis Rilling <Louis.Rilling@...labs.com>
To:	Joel Becker <Joel.Becker@...cle.com>
Cc:	linux-kernel@...r.kernel.org, ocfs2-devel@....oracle.com
Subject: Re: [BUGFIX][PATCH v2 0/2] configfs: Fix cleanup after mkdir()
	failure

Joel,

Sorry for posting to a wrong address (really fun to see you working at Kerlabs
;)). I've just discovered that git-send-email is case-sensitive with email
aliases while mutt is not...

Cheers,

Louis

On Fri, Jul 04, 2008 at 04:56:04PM +0200, Louis Rilling wrote:
>  [ applies on top of http://lkml.org/lkml/2008/6/23/145 aka symlink() fixes ]
> 
> Hi,
> 
> This patchset fixes two kinds of bugs happening when
> configfs_attach_group()/configfs_attach_item() fail and userspace races with
> mkdir() or symlink().
> 
> Please read the first patch header for a detailed scenario explaining the bugs.
> 
> Louis
> 
> Changelog:
>   - Few code reworks as requested by Joel (details in patch headers)
> 
> Summary (2):
>   configfs: Prevent userspace from creating new entries under attaching
>     directories
>   configfs: Lock new directory inodes before removing on cleanup after
>     failure
> 
>  fs/configfs/configfs_internal.h |    2 +
>  fs/configfs/dir.c               |  141 ++++++++++++++++++++++++++++++++-------
>  fs/configfs/symlink.c           |   15 ++++
>  3 files changed, 133 insertions(+), 25 deletions(-)
> 
> -- 
> Dr Louis Rilling			Kerlabs
> Skype: louis.rilling			Batiment Germanium
> Phone: (+33|0) 6 80 89 08 23		80 avenue des Buttes de Coesmes
> http://www.kerlabs.com/			35700 Rennes
> --
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-- 
Dr Louis Rilling			Kerlabs
Skype: louis.rilling			Batiment Germanium
Phone: (+33|0) 6 80 89 08 23		80 avenue des Buttes de Coesmes
http://www.kerlabs.com/			35700 Rennes

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