netdev - Re: [PATCH] bonding: cancel_delayed_work() -> cancel_delayed_work

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Date:	Thu, 17 Dec 2009 15:30:59 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	Jarek Poplawski <jarkao2@...il.com>
Cc:	Mikhail Markine <markine@...gle.com>,
	Jay Vosburgh <fubar@...ibm.com>,
	David Miller <davem@...emloft.net>,
	bonding-devel@...ts.sourceforge.net, netdev@...r.kernel.org,
	Petri Gynther <pgynther@...gle.com>
Subject: Re: [PATCH] bonding: cancel_delayed_work() ->
 cancel_delayed_work_sync()

On Thu, 2009-12-17 at 13:36 +0000, Jarek Poplawski wrote:
> On Thu, Dec 17, 2009 at 02:19:46PM +0100, Johannes Berg wrote:
> > Jarek,
> > 
> > Sorry to mail you directly, but I only saw your reply on gmane and
> > didn't want to break up the threading etc.
> > 
> > cancel_delayed_work_sync() should be ok in this case unless the work
> > items themselves used the rtnl,
> 
> Hmm, I'm not sure I get your point, but e.g. bond_mii_monitor() work
> function can get rtnl_lock().

Ok in that case you can't cancel_sync() it under rtnl. I was thinking of
the case where it's just not ok because of other work. Sorry for the
confusion!

johannes

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