linux-kernel - Re: [PATCH] vfs: Pass setxattr(2) flags properly

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Date:	Wed, 20 Apr 2011 20:58:35 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Christoph Hellwig <hch@....de>
Cc:	Jan Kara <jack@...e.cz>, LKML <linux-kernel@...r.kernel.org>,
	linux-fsdevel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [PATCH] vfs: Pass setxattr(2) flags properly

On Wed, Apr 20, 2011 at 8:09 PM, Christoph Hellwig <hch@....de> wrote:
>
> It's not really used very much.  The only use of XATTR_CREATE is to
> prevent creating the attrs used for ACLs from the normal xattrs
> interface instead of going through the ACL code, and XATTR_REPLACE
> is only used to return -ENOATTR when it's set but the attribute
> actually is empty.
>
> The first one could probably be used (by root) to create invalid
> attrs that confuse the ACL code, and the second may confuse application
> using it, although I doubt there are many.

Ok.

So nobody much i going to care. But I presume that you ack the patch
itself as correct?

                      Linus
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