Date: Mon, 25 Oct 2004 13:29:11 -0400
From: Mike Waychison <Michael.Waychison@Sun.COM>
Subject: Re: [PATCH 8/28] VFS: Remove MNT_EXPIRE support
In-reply-to: <417D34D4.3040406@sun.com>
To: Mike Waychison <Michael.Waychison@Sun.COM>
Cc: Christoph Hellwig <hch@infradead.org>, linux-kernel@vger.kernel.org,
       linux-fsdevel@vger.kernel.org, raven@themaw.net
Message-id: <417D37E7.8030605@sun.com>
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 <20041025150446.GB1603@infradead.org> <417D34D4.3040406@sun.com>
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Mike Waychison wrote:
> Christoph Hellwig wrote:
> 
>>>On Mon, Oct 25, 2004 at 10:42:32AM -0400, Mike Waychison wrote:
>>>
>>>
>>>>Drop support for MNT_EXPIRE (flag to umount(2)).  Nobody was using it and it
>>>>didn't fit into the new expiry framework.
>>>
>>>
>>>umm, this is a user API, you can't simply drop it.
>>>
> 
> 
> I also wanted to add that given the current interface that is found in
> mainline, there is no way for userspace to even set a mountpoint as
> expiring.  The only consumer is still AFS which handles the
> mark_mounts_for_expiry stuff itself.
> 
> So even if userspace wanted to use MNT_EXPIRE, it couldn't.
> 

Gah, nevermind. I'm an idiot.

MNT_EXPIRE allows userspace to do the countdown itself.  For some reason
I assumed the mount in question had to be on a mnt_fslink list.

- --
Mike Waychison
Sun Microsystems, Inc.
1 (650) 352-5299 voice
1 (416) 202-8336 voice

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