From mboxrd@z Thu Jan  1 00:00:00 1970
From: Al Viro <viro@ZenIV.linux.org.uk>
Subject: Re: [PATCH 0/9] overlay filesystem: request for inclusion (v17)
Date: Fri, 15 Mar 2013 05:13:23 +0000
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Cc: Miklos Szeredi <miklos@szeredi.hu>,
	Andrew Morton <akpm@linux-foundation.org>,
	torvalds@linux-foundation.org, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org, hch@infradead.org, apw@canonical.com,
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	ezk@fsl.cs.sunysb.edu, dhowells@redhat.com,
	sedat.dilek@googlemail.com, mszeredi@suse.cz
To: "J. R. Okajima" <hooanon05@yahoo.co.jp>
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On Fri, Mar 15, 2013 at 02:09:14PM +0900, J. R. Okajima wrote:

> If so, it has a big disadvantage for the layer-fs (or branch-fs) to have
> to implement a new method for whiteout.
> 
> Overlayfs implements whiteout as symlink+xattr which consumes an
> inode. And you don't like it, right?
> What I showed is another generic approach without xattr where the new
> method to whiteout is unnecessary.

I'm yet to see the reason that would make implementing that method a big
disadvantage, TBH...