linux-kernel - Re: [PATCH 12/18] fs: add a per-superblock lock for the inode list

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Message-ID: <20101008073533.GA24089@infradead.org>
Date:	Fri, 8 Oct 2010 03:35:33 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Dave Chinner <david@...morbit.com>
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 12/18] fs: add a per-superblock lock for the inode list

On Fri, Oct 08, 2010 at 04:21:26PM +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner@...hat.com>
> 
> To allow removal of the inode_lock, we first need to protect the
> superblock inode list with its own lock instead of using the
> inode_lock. Add a lock to the superblock to protect this list and
> nest the new lock inside the inode_lock around the list operations
> it needs to protect.
> 
> Based on a patch originally from Nick Piggin.

Looks good,


Reviewed-by: Christoph Hellwig <hch@....de>
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