linux-kernel - Re: Unionmount status?

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Message-ID: <BANLkTikTUo17RncV7bushPTri=LEykep5g@mail.gmail.com>
Date:	Fri, 15 Apr 2011 13:51:11 +0200
From:	Michal Suchanek <hramrach@...trum.cz>
To:	Miklos Szeredi <miklos@...redi.hu>
Cc:	Jiri Kosina <jkosina@...e.cz>, Ric Wheeler <ricwheeler@...il.com>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	David Howells <dhowells@...hat.com>,
	Ian Kent <ikent@...hat.com>, Jeff Moyer <jmoyer@...hat.com>,
	Christoph Hellwig <hch@...radead.org>
Subject: Re: Unionmount status?

On 15 April 2011 13:31, Miklos Szeredi <miklos@...redi.hu> wrote:
> On Fri, Apr 15, 2011 at 1:22 PM, Michal Suchanek <hramrach@...trum.cz> wrote:
>> On 14 April 2011 10:38, Miklos Szeredi <miklos@...redi.hu> wrote:
>>> On Wed, Apr 13, 2011 at 5:13 PM, Michal Suchanek <hramrach@...trum.cz> wrote:
>>>> On 13 April 2011 16:18, Jiri Kosina <jkosina@...e.cz> wrote:
>>>>> https://lkml.org/lkml/2011/3/22/222
>>>>>
>>>>
>>>> Thanks for pointing out this announcement.
>>>>
>>>> However, neither this announcement nor the document
>>>> Documentation/filesystems/overlayfs.txt included in the git tree
>>>> details how to mount the filesystem. Without that it is kind of
>>>> useless.
>>>
>>> Oh, I'll fix that in the docs.  Thanks for pointing it out.
>>>
>>> Here's how to mount:
>>>
>>>  mount -t overlayfs overlayfs -olowerdir=/lower -oupperdir=/upper /overlay
>>>
>>
>> OK, I built a small live CD with the v7 patch and I can boot it but I
>> get errors like
>>
>> Cleaning up temporary files...
>> [    nn.nnnnnn] overlayfs: ERROR - failed to whiteout 'motd'
>> find: cannot delete `./motd': Operation not supported
>
> What is the upper filesystem type?  Is xattr support enabled?
>

The upper filesystem is tmpfs and there is not option regarding XATTR
in the config.

Thanks

Michal
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