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SubjectRe: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug()
On Thu, Sep 17, 2015 at 11:04:03PM -0700, Linus Torvalds wrote:
> On Thu, Sep 17, 2015 at 10:40 PM, Dave Chinner <> wrote:
> >
> > Ok, makes sense - the plug is not being flushed as we switch away,
> > but Chris' patch makes it do that.
> Yup.

Huh, that does make much more sense, thanks Linus. I'm wondering where
else I've assumed that cond_resched() unplugged.

> And I actually think Chris' patch is better than the one I sent out
> (but maybe the scheduler people should take a look at the behavior of
> cond_resched()), I just wanted you to test that to verify the
> behavior.

Ok, I'll fix up the description and comments and send out.


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