From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bharata B Rao <bharata@linux.vnet.ibm.com>
Subject: Re: [RFC 00/26] VFS based Union Mount (V2)
Date: Thu, 2 Aug 2007 12:19:43 +0530
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To: Jan Blunck <jblunck@suse.de>
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On Mon, Jul 30, 2007 at 06:13:23PM +0200, Jan Blunck wrote:
> Here is another post of the VFS based union mount implementation. Unlike the
> traditional mount which hides the contents of the mount point, union mounts
> present the merged view of the mount point and the mounted filesytem.

Doesn't compile without CONFIG_DEBUG_UNION_MOUNT.

fs/namei.c: In function `hash_lookup_union':
fs/namei.c:1798: error: implicit declaration of function `UM_DEBUG_LOOKUP'
make[1]: *** [fs/namei.o] Error 1

Regards,
Bharata.