linux-kernel - Re: [PATCH 08/17] fs: icache protect inode state

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Message-ID: <20101001060227.GF32349@infradead.org>
Date:	Fri, 1 Oct 2010 02:02:27 -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 08/17] fs: icache protect inode state

On Wed, Sep 29, 2010 at 10:18:40PM +1000, Dave Chinner wrote:
> From: Nick Piggin <npiggin@...e.de>
> 
> Before removing the inode_lock, we need to protect the inode list
> operations with the inode->i_lock. This ensures that all inode state
> changes are serialised regardless of the fact that the lists they
> are moving around might be protected by different locks. Hence we
> can safely protect an inode in transit from one list to another
> without needing to hold all the list locks at the same time.

The subject does not seem to match the patch description and content.

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