[dm-devel] [PATCH 1/6] dm-stripe: drop kstriped
Mike Snitzer
snitzer at redhat.com
Wed Dec 15 01:34:58 UTC 2010
On Tue, Dec 14 2010 at 6:59pm -0500,
Mike Snitzer <snitzer at redhat.com> wrote:
> On Sun, Dec 12 2010 at 2:10pm -0500,
> Tejun Heo <tj at kernel.org> wrote:
>
> > kstriped only serves sc->kstriped_ws which runs dm_table_event().
> > This doesn't need to be executed from an ordered workqueue w/ rescuer.
> > Drop kstriped and use the system_wq instead.
>
> I'm concerned about switching to using the global system_wq and calling
> flush_scheduled_work() when resuming a DM table (calls a DM target's
> ->dtr() via dm_table_destroy in drivers/md/dm-ioctl.c:do_resume).
Ah, I just got to 4/6 and see you switched flush_scheduled_work() to:
flush_work_sync(&sc->trigger_event);
Thanks,
Mike
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