From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: silent semantic changes with reiser4
Date: Wed, 08 Sep 2004 13:57:48 +0100
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Cc: Pavel Machek <pavel@ucw.cz>, Christer Weinigel <christer@weinigel.se>,
        Spam <spam@tnonline.net>, Linus Torvalds <torvalds@osdl.org>,
        Horst von Brand <vonbrand@inf.utfsm.cl>,
        David Masover <ninja@slaphack.com>, Jamie Lokier <jamie@shareable.org>,
        Chris Wedgwood <cw@f00f.org>, viro@parcelfarce.linux.theplanet.co.uk,
        Christoph Hellwig <hch@lst.de>, Hans Reiser <reiser@namesys.com>,
        linux-fsdevel@vger.kernel.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Alexander Lyamin aka FLX <flx@namesys.com>,
        ReiserFS List <reiserfs-list@namesys.com>
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To: Tonnerre <tonnerre@thundrix.ch>
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List-Id: linux-fsdevel.vger.kernel.org

On Mer, 2004-09-08 at 07:11, Tonnerre wrote:
> This  has   been  discussed  along   with  the  HAL  people   a  while
> ago. Actually, file systems can  introduce a refcount, where we need a
> decrement function  which automatically unmounts the  filesystem if we
> decrement the use count to zero. Kind of an automatic umount.

We've supported file system garbage collection when they become unused
since umm about 2.4.10 I think.