Re: master - btrfs lockdep splat

From: Mike Galbraith
Date: Thu Jan 12 2017 - 14:37:35 EST


On Thu, 2017-01-12 at 10:44 -0800, Liu Bo wrote:
> On Thu, Jan 12, 2017 at 07:12:12PM +0100, Mike Galbraith wrote:
> > Greetings,
> >
> > I wanted to do some -rt testing, but seems non-rt kernels aren't
> > lockdep clean with btrfs /, making -rt testing a bit premature.
> >
> > (hm, 28a235931 Btrfs: fix lockdep warning on deadlock against an inode's log mutex)
>
> It's rather a false-positive lockdep warning than a real deadlock, and a
> patch[1] has been queued to fix it.

(yeah, just stops lockdep from perhaps finding something real)

> [1]: https://patchwork.kernel.org/patch/9473431/

Yup, virtual box seems to be a happy camper now. Thanks.

-Mike