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SubjectRe: [PATCH v5 9/9] block: Assign a lock_class per gendisk used for wait_for_completion()
On Thu, Oct 26, 2017 at 07:50:46AM +0200, Ingo Molnar wrote:
>
> * Jens Axboe <axboe@kernel.dk> wrote:
>
> > On 10/25/2017 03:13 AM, Ingo Molnar wrote:
> > >
> > > * Byungchul Park <byungchul.park@lge.com> wrote:
> > >
> > >> Darrick posted the following warning and Dave Chinner analyzed it:
> > >>
> > >>> ======================================================
> > >>> WARNING: possible circular locking dependency detected
> > >>> 4.14.0-rc1-fixes #1 Tainted: G W
> > >
> > >> Reported-by: Darrick J. Wong <darrick.wong@oracle.com>
> > >> Analyzed-by: Dave Chinner <david@fromorbit.com>
> > >> Signed-off-by: Byungchul Park <byungchul.park@lge.com>
> > >> ---
> > >> block/bio.c | 2 +-
> > >> block/genhd.c | 10 ++--------
> > >> include/linux/genhd.h | 22 ++++++++++++++++++++--
> > >> 3 files changed, 23 insertions(+), 11 deletions(-)
> > >
> > > Ok, this patch looks good to me now, I'll wait to get an Ack or Nak from Jens for
> > > these changes.
> > >
> > > Jens: this patch has some dependencies in prior lockdep changes, so I'd like to
> > > carry it in the locking tree for a v4.15 merge.
> >
> > Looks fine to me, you can add my reviewed-by and carry it in your tree.
>
> Thanks Jens!

Thanks all of you.

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