Re: block: transfer source bio's cgroup tags to clone via bio_associate_blkcg()

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Subject: Re: block: transfer source bio's cgroup tags to clone via bio_associate_blkcg()
From: Nikolay Borisov <n.borisov@xxxxxxxxxxxxxx>
Date: Tue, 15 Mar 2016 00:08:27 +0200
Cc: Jens Axboe <axboe@xxxxxxxxx>, linux-block@xxxxxxxxxxxxxxx, device-mapper development <dm-devel@xxxxxxxxxx>, cgroups@xxxxxxxxxxxxxxx, Tejun Heo <tj@xxxxxxxxxx>, Chris Friesen <chris.friesen@xxxxxxxxxxxxx>, Vivek Goyal <vgoyal@xxxxxxxxxx>
In-reply-to: <20160314194912.GA6975@redhat.com>

>
> Great.
>
> Jens, can you pick up the patch in question ("[PATCH] block: transfer
> source bio's cgroup tags to clone via bio_associate_blkcg()") that I
> posted in this thread?

And what about Vivek's patch of associating the source bio with the io
context of the process issuing the io?
Would that help in the DIO case?

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References:
- blkio cgroups controller doesn't work with LVM?
  - From: Chris Friesen
- Re: blkio cgroups controller doesn't work with LVM?
  - From: Nikolay Borisov
- Re: blkio cgroups controller doesn't work with LVM?
  - From: Mike Snitzer
- Re: blkio cgroups controller doesn't work with LVM?
  - From: Tejun Heo
- [PATCH] block: transfer source bio's cgroup tags to clone via bio_associate_blkcg() (was: Re: blkio cgroups controller doesn't work with LVM?)
  - From: Mike Snitzer
- Re: [PATCH] block: transfer source bio's cgroup tags to clone via bio_associate_blkcg()
  - From: Nikolay Borisov
- Re: [PATCH] block: transfer source bio's cgroup tags to clone via bio_associate_blkcg()
  - From: Nikolay Borisov
- Re: block: transfer source bio's cgroup tags to clone via bio_associate_blkcg()
  - From: Mike Snitzer

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