after_state_ch(9)

after_state_ch(9) 💅

okay so this is the after_state_ch(9) page from the Kernel API Manual, and it's giving “perform after state change actions that may sleep” 😴. Yes bestie, these actions may sleep — noted, important, no cap.

✨ NAME ✨

after_state_ch — perform after state change actions that may sleep. That’s the whole vibe: after-state-change actions, and sleeping is allowed 💤.

🛠️ SYNOPSIS 🛠️

void after_state_ch (struct drbd_device *device , union drbd_state os , union drbd_state ns , enum chg_state_flags flags , struct drbd_state_change *state_change );

🎀 ARGUMENTS 🎀

• device — DRBD device. literally the device we’re working with 💖
• os — old state. the before pic 📸
• ns — new state. the glow-up ✨
• flags — Flags. yes, just flags 🚩
• state_change — state change to broadcast. put it on the group chat 📣

👀 SEE ALSO 👀

Kernel file ./drivers/block/drbd/drbd_state.c and the whole friend group:

• cl_wide_st_chg(9)
• drbd_force_state(9)
• drbd_req_state(9)
• _drbd_request_state(9)
• is_valid_state(9)
• is_valid_soft_transition(9)
• is_valid_transition(9)
• sanitize_state(9)
• _drbd_set_state(9)

bye bestie 🫶 this page is from ./drivers/block/drbd and it’s dated October 2026 🌈