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SubjectRe: Unionmount status?
On 16 April 2011 00:18, Andreas Dilger <> wrote:
> On 2011-04-15, at 6:29 AM, Miklos Szeredi wrote:
>> Apparently tmpfs does not support generic xattr.  I understand why
>> tmpfs is an attractive choice for an upper filesystem, so this should
>> be addressed.
>> I see two options here:
>> 1) implement generic xattr in tmpfs
> There was a patch posted recently to add xattr support to tmpfs, so that it can use security labels:
> From: Eric Paris <>
> Subject: [PATCH] tmpfs: implement xattr support for the entire security namespace
> Date: March 29, 2011 12:56:49 PM MDT
> Cheers, Andreas

Applying this patch is not sufficient. Apparently more xattrs are
needed but adding them on top of this patch should be easy.

The ones mentioned in the overlayfs doc are


The patch implements security.*


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