bio_associate_blkcg — associate a bio with the specified blkcg
int bio_associate_blkcg ( | struct bio * bio, |
struct cgroup_subsys_state * blkcg_css); |
struct bio * biotarget bio
struct cgroup_subsys_state * blkcg_csscss of the blkcg to associate
Associate bio with the blkcg specified by blkcg_css. Block layer will
treat bio as if it were issued by a task which belongs to the blkcg.
This function takes an extra reference of blkcg_css which will be put
when bio is released. The caller must own bio and is responsible for
synchronizing calls to this function.