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From: Theodore Ts'o <tytso@mit.edu>
To: David Woodhouse <dwmw2@infradead.org>
Cc: ksummit-discuss@lists.linuxfoundation.org, mszeredi@suse.com
Subject: Re: [Ksummit-discuss] [TECH TOPIC] Overlays and file(system) unioning issues
Date: Mon, 27 Jul 2015 10:33:42 -0400	[thread overview]
Message-ID: <20150727143342.GA2851@thunk.org> (raw)
In-Reply-To: <1438003184.26913.23.camel@infradead.org>

On Mon, Jul 27, 2015 at 02:19:44PM +0100, David Woodhouse wrote:
> This was much nicer when it was being done with DT_WHT internally. And
> you could *still* expose that to userspace as a 0,0 chardev — or
> however you like.

Yeah, that was what I was going to propose.  We can expose it to
userspace as a 0,0 chardev with an inode number of UINT_MAX-1, but
that doesn't have to be the internal representation inside the kernel...

     	     	     	    	     		    	   - Ted

  reply	other threads:[~2015-07-27 14:33 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-24 16:01 [Ksummit-discuss] [TECH TOPIC] Overlays and file(system) unioning issues David Howells
2015-07-24 16:10 ` David Howells
2015-07-24 16:58   ` Eric W. Biederman
2015-07-24 17:12     ` James Bottomley
2015-07-25 15:39     ` Lai Jiangshan
2015-07-29 13:36     ` Serge E. Hallyn
2015-07-27 13:19 ` David Woodhouse
2015-07-27 14:33   ` Theodore Ts'o [this message]
2015-07-28  7:13     ` Miklos Szeredi
2015-07-28 12:16       ` Theodore Ts'o
2015-10-15 19:49         ` David Howells

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