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

From: Ingo Molnar
Date: Tue Apr 14 2009 - 06:00:47 EST



* Frederic Weisbecker <fweisbec@xxxxxxxxx> 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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