lkml.org 
[lkml]   [2020]   [Apr]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 2/2] blkcg: don't offline parent blkcg first
From
Date
On 4/1/20 2:35 PM, Tejun Heo wrote:
> On Wed, Jul 24, 2019 at 10:37:55AM -0700, Tejun Heo wrote:
>> blkcg->cgwb_refcnt is used to delay blkcg offlining so that blkgs
>> don't get offlined while there are active cgwbs on them. However, it
>> ends up making offlining unordered sometimes causing parents to be
>> offlined before children.
>>
>> Let's fix this by making child blkcgs pin the parents' online states.
>>
>> Note that pin/unpin names are chosen over get/put intentionally
>> because css uses get/put online for something different.
>>
>> Signed-off-by: Tejun Heo <tj@kernel.org>
>
> Jens, these two patches slipped through the cracks. Can you please take a look
> at them?

Huh indeed, looks fine to me. I'll add for 5.7, thanks.

--
Jens Axboe

\
 
 \ /
  Last update: 2020-04-01 22:58    [W:0.035 / U:1.332 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site