From: Jens Axboe <axboe@kernel.dk>
To: Jon Christopherson <jon@jons.org>, Tejun Heo <tj@kernel.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2 block/for-linus] writeback: don't drain bdi_writeback_congested on bdi destruction
Date: Thu, 02 Jul 2015 08:04:04 -0600 [thread overview]
Message-ID: <559544D4.9010803@kernel.dk> (raw)
In-Reply-To: <5594A9B6.2050100@jons.org>
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
prev parent reply other threads:[~2015-07-02 14:04 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-02 0:52 [PATCH 1/2 block/for-linus] writeback: don't embed root bdi_writeback_congested in bdi_writeback Tejun Heo
2015-07-02 0:53 ` [PATCH 2/2 block/for-linus] writeback: don't drain bdi_writeback_congested on bdi destruction Tejun Heo
2015-07-02 3:02 ` Jon Christopherson
[not found] ` <5594AD98.4050402@jons.org>
2015-07-02 13:21 ` [PATCH] tools/perf, rbtree: Add RCU wrappers to make rbtree.h usable in user-space Tejun Heo
2015-07-02 20:51 ` Rusty Russell
2015-07-03 7:14 ` Peter Zijlstra
2015-07-03 10:00 ` Jon Christopherson
2015-07-04 16:15 ` Arnaldo Carvalho de Melo
2015-07-06 10:57 ` Peter Zijlstra
2015-07-02 14:04 ` Jens Axboe [this message]
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