linux-kernel - Re: [PATCH 0/7] overlay filesystem: request for inclusion

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Date:	Fri, 15 Jul 2011 22:04:00 +0900
From:	"J. R. Okajima" <hooanon05@...oo.co.jp>
To:	Miklos Szeredi <miklos@...redi.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	NeilBrown <neilb@...e.de>, viro@...IV.linux.org.uk,
	torvalds@...ux-foundation.org, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, apw@...onical.com, nbd@...nwrt.org,
	hramrach@...trum.cz, jordipujolp@...il.com, ezk@....cs.sunysb.edu
Subject: Re: [PATCH 0/7] overlay filesystem: request for inclusion


> > st_nlink==1 for directories is widely accepted way of saying that the
> > number of subdirectories is unknown.  Various filesystems already do
> > this, and versions of GNU utils that I have come across accept it.
>
> When the upperdir is tmpfs, the link count of the directories in it will
> not be 1, won't it?

Ah, I've found overlayfs sets it to 1 now.

Thanks
J. R. Okajima
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