blkcg_parent(9)

okay so bestie, welcome to blkcg_parent(9) from the Kernel API Manual — this is the lil function that tells you who a blkcg’s parent is, and honestly it’s giving “short but iconic” 💅✨

🌸 NAME 🌸

blkcg_parent — get the parent of a blkcg 🫶

✨ SYNOPSIS ✨

struct blkcg * blkcg_parent (struct blkcg *blkcg );

🎀 ARGUMENTS 🎀

• blkcg — the blkcg of interest, aka the one you’re asking about 💖

🦋 DESCRIPTION 🦋

Returns the parent blkcg of blkcg. Lowkey straightforward, highkey useful. The way that it just hands you the parent? Obsessed. 🦋

Can be called anytime. No cap — that’s literally what the page says, and we’re not adding extra lore. ⭐

🔥 SEE ALSO 🔥

Kernel file: ./block/blk-cgroup.c

• blkcg_css(9)
• blkg_free(9)
• bio_blkcg_css(9)
• blkg_alloc(9)
• blkg_lookup_create(9)
• blkcg_print_blkgs(9)
• __blkg_prfill_u64(9)
• blkg_conf_init(9)
• blkg_conf_open_bdev(9)
• blkg_conf_prep(9)
• blkg_conf_unprep(9)
• blkg_conf_close_bdev(9)
• blkcg_destroy_blkgs(9)
• blkcg_pin_online(9)
• blkcg_unpin_online(9)
• blkcg_css_offline(9)
• blkcg_activate_policy(9)
• blkcg_deactivate_policy(9)
• blkcg_policy_register(9)
• blkcg_policy_unregister(9)
• blkcg_maybe_throttle_current(9)
• blkcg_schedule_throttle(9)
• blkcg_add_delay(9)
• blkg_tryget_closest(9)
• bio_associate_blkg_from_css(9)
• bio_associate_blkg(9)
• bio_clone_blkg_association(9)

cute sign-off time, bestie: that’s the whole page 💅 source/version: ./block, date: October 2026, and the main character is blkcg_parent(9). periodt. 🫶✨