From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH] vfs: initialize d_iname to null for long file names
Date: Wed, 26 Nov 2008 11:45:05 -0500
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Cc: Andrew Morton <akpm@linux-foundation.org>,
	Eric Van Hensbergen <ericvh@gmail.com>,
	Latchesar Ionkov <lucho@ionkov.net>,
	v9fs-developer@lists.sourceforge.net,
	LKML <linux-kernel@vger.kernel.org>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>
To: Wu Fengguang <fengguang.wu@intel.com>
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On Wed, Nov 26, 2008 at 09:41:05PM +0800, Wu Fengguang wrote:
> dentry->d_iname is currently uninitialized for long file names.  Init
> it to null string to avoid bad behaviors on careless references to it.

I don't really see the point.  If your code references it's already
buggy.  The only proper way to acces it is through dentry->d_name.