BIO_ASSOCIATE_BLKCG(9)

NAME
bio_associate_blkcg - associate a bio with the specified blkcg

SYNOPSIS

int bio_associate_blkcg(struct bio * bio, struct cgroup_subsys_state * blkcg_css);

ARGUMENTS

bio
    target bio

blkcg_css
    css of the blkcg to associate

DESCRIPTION

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.

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