linux-kernel - Re: PROBLEM: 2.6.35.7 to 3.0 Inotify events missing

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Message-ID: <20110822172239.GA15960@fieldses.org>
Date:	Mon, 22 Aug 2011 13:22:39 -0400
From:	"J. Bruce Fields" <bfields@...ldses.org>
To:	NeilBrown <neilb@...e.de>
Cc:	Jamie Lokier <jamie@...reable.org>,
	Al Viro <viro@...IV.linux.org.uk>,
	Sylvain Rochet <gradator@...dator.net>,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	linux-nfs@...r.kernel.org
Subject: Re: PROBLEM: 2.6.35.7 to 3.0 Inotify events missing

On Mon, Aug 22, 2011 at 09:07:51AM +1000, NeilBrown wrote:
> One is to use bind mounts. i.e. I effectively do
>     mount --bind $HOME/.config $HOME/.config
> and ask for events from the newly created vfsmnt.
> This will not catch changes made through file descriptors that were opened
> before I did the mount, or through hard links from some other directory
> tree.  But for a particular use-case that might not be a problem.

I'm missing what the extra vfsmount gets you here.  The problems seem
just the same as if you don't have one.

Oh, wait, I see, it's that the file descriptors are associated with
vfsmounts, not just dentries.  Hm.

--b.
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