Re: [PATCH] bcache: bch_writeback_thread() is not freezable

From: Eric Wheeler
Date: Tue May 10 2016 - 21:12:59 EST


On Mon, 2 May 2016, Jiri Kosina wrote:
> On Tue, 19 Apr 2016, Jiri Kosina wrote:
>
> > From: Jiri Kosina <jkosina@xxxxxxx>
> >
> > bch_writeback_thread() is calling try_to_freeze(), but that's just an
> > expensive no-op given the fact that the thread is not marked freezable.
> >
> > I/O helper kthreads, exactly such as the bcache writeback thread, actually
> > shouldn't be freezable, because they are potentially necessary for
> > finalizing the image write-out.
> >
> > Signed-off-by: Jiri Kosina <jkosina@xxxxxxx>
>
> Let's send a friendly ping on these three patches after two weeks...

Maciej,

Were you able to get a backtrace?


--
Eric Wheeler


>
> --
> Jiri Kosina
> SUSE Labs
>
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