linux-kernel - Re: [linux-cifs-client] [PATCH] cifs: wrap cifs_dnotify_thread in CONFIG

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Date:	Thu, 22 Jan 2009 19:13:07 -0500
From:	Christoph Hellwig <hch@...radead.org>
To:	Jeff Layton <jlayton@...hat.com>
Cc:	Steve French <smfrench@...il.com>,
	Christoph Hellwig <hch@...radead.org>,
	linux-fsdevel@...r.kernel.org, linux-cifs-client@...ts.samba.org,
	linux-kernel@...r.kernel.org
Subject: Re: [linux-cifs-client] [PATCH] cifs: wrap cifs_dnotify_thread in
	CONFIG_BROKEN

On Thu, Jan 22, 2009 at 06:31:15PM -0500, Jeff Layton wrote:
> Removing this kthread won't measurably move us farther away from that
> goal either.
> 
> It's currently under CONFIG_CIFS_EXPERIMENTAL, which would be fine if
> it actually did something. It doesn't though -- it just wakes up tasks
> that don't need to be woken up.
> 
> I have no issue with a kthread that does useful work, but why not remove
> this kthread out of the mainline code for now and just plan to put it
> back when it actually has something useful to do?
> 
> The patch that removes it will live in perpetuity in git. It'll be a
> trivial matter to revert it when you're ready to have the kthread do
> real work.

Yeah.  Currently it's useless code.  If a proper *notify implementation
for cifs still needs a thread it can be added with that implementation,
and I'm sure it'll look very different from the current one (at least
after review..)

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