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From: Al Viro <viro@ZenIV.linux.org.uk>
Subject: Re: Intentionally corrupted vfat fs causing BUG
Date: Thu, 23 Oct 2014 17:56:29 +0100
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Cc: Richard Weinberger <richard@nod.at>,
	Sami Liedes <sami.liedes@iki.fi>,
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To: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
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On Fri, Oct 24, 2014 at 01:45:49AM +0900, OGAWA Hirofumi wrote:

> Hm, sounds like I'm missing something. what case has different
> ->d_parent on alias if prevented by my check?

A cross-directory link.