Re: [PATCH V2 3/4] block: make blkcg aware of kthread stored original cgroup info

2017-09-13 Thread Tejun Heo
On Wed, Sep 13, 2017 at 02:01:28PM -0700, Shaohua Li wrote: > From: Shaohua Li > > bio_blkcg is the only API to get cgroup info for a bio right now. If > bio_blkcg finds current task is a kthread and has original blkcg > associated, it will use the css instead of associating the bio to > current

[PATCH V2 3/4] block: make blkcg aware of kthread stored original cgroup info

2017-09-13 Thread Shaohua Li
From: Shaohua Li bio_blkcg is the only API to get cgroup info for a bio right now. If bio_blkcg finds current task is a kthread and has original blkcg associated, it will use the css instead of associating the bio to current task. This makes it possible that kthread dispatches bios on behalf of o