linux-kernel - Re: [PATCH 09/18] fs: rework icount to be a locked variable

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Date:	Fri, 8 Oct 2010 09:53:04 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Dave Chinner <david@...morbit.com>
Cc:	Al Viro <viro@...IV.linux.org.uk>, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 09/18] fs: rework icount to be a locked variable

On Fri, Oct 08, 2010 at 09:15:49PM +1100, Dave Chinner wrote:
> > You are overdoing the information hiding here; _way_ too many small
> > functions that don't buy you anything so far, AFAICS.
> 
> See akpm's comments on the previous version of the series.

It's one persons opinion.  I tend to disagree with lots of it.  iref
is a good new helper for filesystems to use, but for the unlocked
read it's reather pointless.  iref_locked is even more pointless -
it's only used in core fs code (fs/inode.c, fs/fs-writeback.c,
fs/drop_caches.c, fs/notify/inode_mark.c and fs/quota/dquot.c) and
an opencoded increment would be a lot more readable.

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