Re: [PATCH 5/8] blkcg: make sure blkg_lookup() returns %NULL if @qis bypassing

From: Tejun Heo
Date: Fri Apr 13 2012 - 13:28:44 EST


On Fri, Apr 13, 2012 at 01:23:36PM -0400, Vivek Goyal wrote:
> I think now synchronize_rcu() has become part of cfq_init_queue()
> effectively and that will slow down boot. In the past I had to remove
> it.

Eh... crap. You're right. Forgot about that. Maybe we need to
special case initial queue setup. I'll look into it.

Thanks.

--
tejun
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