linux-kernel - Re: [PATCH 0/3] kill-the-BKL/reiserfs: reiserfs fixes

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Date:	Tue, 14 Apr 2009 12:00:13 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Alessio Igor Bogani <abogani@...ware.it>,
	Jeff Mahoney <jeffm@...e.com>,
	ReiserFS Development List <reiserfs-devel@...r.kernel.org>,
	Alexander Beregalov <a.beregalov@...il.com>,
	Chris Mason <chris.mason@...cle.com>
Subject: Re: [PATCH 0/3] kill-the-BKL/reiserfs: reiserfs fixes


* Frederic Weisbecker <fweisbec@...il.com> wrote:

> Ingo,
> 
> This small patchset fixes some deadlocks I've faced after trying 
> some pressures with dbench on a reiserfs partition.
> 
> There is still some work pending such as adding some checks to 
> ensure we _always_ release the lock before sleeping, as you 
> suggested. Also I have to fix a lockdep warning reported by 
> Alessio Igor Bogani. And also some optimizations....
> 
> Thanks,
> Frederic.
> 
> Frederic Weisbecker (3):
>   kill-the-BKL/reiserfs: provide a tool to lock only once the write lock
>   kill-the-BKL/reiserfs: lock only once in reiserfs_truncate_file
>   kill-the-BKL/reiserfs: only acquire the write lock once in
>     reiserfs_dirty_inode
> 
>  fs/reiserfs/inode.c         |   10 +++++++---
>  fs/reiserfs/lock.c          |   26 ++++++++++++++++++++++++++
>  fs/reiserfs/super.c         |   15 +++++++++------
>  include/linux/reiserfs_fs.h |    2 ++
>  4 files changed, 44 insertions(+), 9 deletions(-)

Applied, thanks Frederic!

	Ingo
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