2014-12-18 2:06 GMT+03:00 Andrew Morton <akpm@linux-foundation.org>:
>
> On Sun, 14 Dec 2014 15:34:46 +0300 Timofey Titovets <nefelim4ag@gmail.com>
> wrote:
>
> > io_schedule_timeout(5*HZ);
> > Introduced for avoidance dm bug:
> > http://linux.derkeiler.com/Mailing-Lists/Kernel/2006-08/msg04869.html
> > According to description must be replaced with io_schedule()
> >
> > I replace it and recompile kernel, tested it by following script:
>
> How do we know DM doesn't still depend on the io_schedule_timeout()?
>
> It would require input from the DM developers and quite a lot of
> stress-testing of many kernel subsystems before we could make this
> change.
>

Okay, sorry for noise, will talking with dm devels, and after, if all be
good, will resend it.

-- 
Have a nice day,
Timofey.