From mboxrd@z Thu Jan  1 00:00:00 1970
From: Al Viro <viro@ZenIV.linux.org.uk>
Subject: Re: [RESEND][PATCH] lseek: remove i_mutex
Date: Thu, 25 Jun 2009 05:54:52 +0100
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Cc: Andrew Morton <akpm@linux-foundation.org>,
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	Christoph Hellwig <hch@infradead.org>
To: Hisashi Hifumi <hifumi.hisashi@oss.ntt.co.jp>
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On Thu, Jun 25, 2009 at 01:41:10PM +0900, Hisashi Hifumi wrote:
> Hi, 
> 
> Following patch removes i_mutex from generic_file_llseek.
> I think the reason of protecting lseek with i_mutex is just
> touching i_size (and f_pos) atomically.

NAK.  There's also a lot of fun with directories - readdir() vs. llseek().