Re: [PATCH 2/2 block/for-linus] writeback: don't drain bdi_writeback_congested on bdi destruction

[Jens Axboe]

On 07/01/2015 09:02 PM, Jon Christopherson wrote:
> On 07/01/2015 07:53 PM, Tejun Heo wrote:
> > 52ebea749aae ("writeback: make backing_dev_info host cgroup-specific
> > bdi_writebacks") made bdi (backing_dev_info) host per-cgroup wb's
> > (bdi_writeback's).  As the congested state needs to be per-wb and
> > referenced from blkcg side and multiple wbs, the patch made all
> > non-root cong's (bdi_writeback_congested's) reference counted and
> > indexed on bdi.
> <snip>
>
> Thanks Tejun,
>
>      I have applied your patches and no longer see the behavior
> mentioned in the bug report. All is well!

Tejun, I'll pick them up, and Jon, I'll add your tested-by to the 
commit. Thanks!


--
Jens Axboe

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