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

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Date:	Wed, 16 Feb 2011 16:49:10 -0500
From:	Ted Ts'o <tytso@....edu>
To:	Eric Sandeen <sandeen@...hat.com>
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 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


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