From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alex Riesen <raa.lkml@gmail.com>
Subject: Re: [PATCH 17/38] union-mount: Union mounts documentation
Date: Thu, 17 Jun 2010 10:01:30 +0200
Message-ID: <AANLkTilNAGzn3ZC5eN2ZQMqNhcSWnT-mi_y2TkIkdeUU@mail.gmail.com>
References: <1276627208-17242-1-git-send-email-vaurora@redhat.com>
	<1276627208-17242-18-git-send-email-vaurora@redhat.com>
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Cc: Alexander Viro <viro@zeniv.linux.org.uk>,
	Miklos Szeredi <miklos@szeredi.hu>,
	Jan Blunck <jblunck@suse.de>,
	Christoph Hellwig <hch@infradead.org>,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
To: Valerie Aurora <vaurora@redhat.com>
Return-path: <linux-kernel-owner@vger.kernel.org>
In-Reply-To: <1276627208-17242-18-git-send-email-vaurora@redhat.com>
Sender: linux-kernel-owner@vger.kernel.org
List-Id: linux-fsdevel.vger.kernel.org

On Tue, Jun 15, 2010 at 20:39, Valerie Aurora <vaurora@redhat.com> wrot=
e:
> +git://git.kernel.org/pub/scm/fs/ext2/val/e2fsprogs.git
> +
> +Currently, whiteout directory entries are not returned to userland.
> +While the directory type for whiteouts, DT_WHT, has been defined for
> +many years, very little userland code handles them. =C2=A0Userland w=
ill
> +never see fallthru directory entries.

This may be a dumb question (I must admit I did only very little resear=
ch),
but how does one cleanup the topmost layer of whiteouts and fallthrough=
s,
so that the entries of lower layer(s) can be made visible again?