Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug()

[Peter Zijlstra]

On Fri, Sep 18, 2015 at 05:59:56PM +0200, Peter Zijlstra wrote:
> >  - if it's not an actual PREEMPT_ACTIVE (ie in a random place)
> 
> PREEMPT_ACTIVE is actually a recursion flag, 'random place' does not
> factor into it. That is, most 'random places' will not have
> PREEMPT_ACTIVE set.

Ah, _not_ PREEMPT_ACTIVE, its late and I can't read no moar.
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