linux-ext4 - Re: [PATCH 2/2] e2fsprogs: enable user namespace xattrs by default

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Message-ID: <4D5C473D.5030009@redhat.com>
Date:	Wed, 16 Feb 2011 15:53:01 -0600
From:	Eric Sandeen <sandeen@...hat.com>
To:	"Ted Ts'o" <tytso@....edu>
CC:	Andreas Dilger <adilger@...ger.ca>,
	ext4 development <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH 2/2] e2fsprogs: enable user namespace xattrs by default

On 2/16/11 3:49 PM, Ted Ts'o wrote:
> On Wed, Feb 16, 2011 at 01:27:39PM -0600, Eric Sandeen wrote:
>> On 2/16/11 1:15 PM, Andreas Dilger wrote:
>>> On 2011-02-16, at 11:21, Eric Sandeen wrote:
>>>> User namespace xattrs are generally useful, and I think extN
>>>> is the only filesystem requiring a special mount option to
>>>> enable them, when xattrs are otherwise available.  So this
>>>> change sets that mount option into the defaults.
>>>>
>>>
>>> Wouldn't it be more useful to change this in the kernel, instead of only changing it in the superblock for new filesystems?
>>>
>>
>> I thought about that; maybe it should happen in both places?
> 
> Yes, agreed.  Maybe we should do the same thing with posix ACL's as
> well?  ACL's can only take away access as compared to the unix
> permission bits, so it's safe to enable ACL's.
> 
> 	   	    	      	 	- Ted
> 

Whoops, I didn't realize that acls were in the same boat, of "config on and then turn on with a mount option"

Ok, sure, adding that makes sense to me too...

Is sticking it in the _initialize() function ok with you?  It's a little odd, but ...

-Eric
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