linux-kernel - Re: [PATCH 02/17] fs: icache lock s

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Message-ID: <20101016161210.GA16861@infradead.org>
Date:	Sat, 16 Oct 2010 12:12:10 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Nick Piggin <npiggin@...nel.dk>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Dave Chinner <david@...morbit.com>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 02/17] fs: icache lock s_inodes list

On Sat, Oct 16, 2010 at 06:54:11PM +1100, Nick Piggin wrote:
> Because in the first part of the inode lock series, it is breaking
> locks in obvious small steps as possible, by adding global locks
> protecting bits of what inode_lock used to.

As seen by Dave's respin making it per-sb was just as easy as making
it global. And it really is the logical synchronization domain.

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