find_last_waiter(9)

💅 find_last_waiter(9) — from the Kernel API Manual ✨

okay bestie, welcome to the group chat 🫶 this one lives in the Kernel API Manual and it's genuinely so chill. no cap, it's a tiny little icon and it does exactly one thing, but it does it beautifully.

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🌸 NAME 🌸

find_last_waiter — find the last gh that's waiting for the glock 💅

like, the very last one in the queue. the final girl. the one at the end. periodt.

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🦋 SYNOPSIS 🦋

struct gfs2_holder * find_last_waiter (const struct gfs2_glock *gl );

that's it. that's the whole signature. so clean. so iconic. 🔥

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🎀 ARGUMENTS 🎀

• gl — the glock 👑 just hand her the glock and she'll go find the last waiter for you, no questions asked.

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⭐ DESCRIPTION ⭐

okay so here's the tea ☕ — this is also a fast way of finding out if there are any waiters at all. lowkey a two-for-one situation and we love that for us. 💖

if you get something back, there are waiters. if you don't… well. vibe check passed, nobody's waiting. iykyk.

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🌈 SEE ALSO 🌈

all the siblings and cousins and neighbors, live from the kernel file ./fs/gfs2/glock.c:

• wake_up_glock(9), gfs2_glock_hold(9), gfs2_glock_put(9), may_grant(9), do_error(9), find_first_holder(9), do_promote(9), find_first_waiter(9), state_change(9), finish_xmote(9), do_xmote(9), run_queue(9), glock_set_object(9), glock_clear_object(9), gfs2_glock_get(9), __gfs2_holder_init(9), gfs2_holder_reinit(9), gfs2_holder_uninit(9), gfs2_glock_holder_ready(9), gfs2_glock_wait(9), gfs2_glock_async_wait(9), request_demote(9), add_to_queue(9), gfs2_glock_nq(9), gfs2_glock_poll(9), gfs2_glock_dq(9), gfs2_glock_dq_uninit(9), gfs2_glock_nq_num(9), glock_compare(9), nq_m_sync(9), gfs2_glock_nq_m(9), gfs2_glock_dq_m(9), gfs2_should_freeze(9), gfs2_glock_complete(9), glock_hash_walk(9), thaw_glock(9), gfs2_glock_thaw(9), gfs2_wait_glocks(9), dump_holder(9), gfs2_dump_glock(9)

the whole friend group fr fr 🫶 note that find_first_waiter(9) is right there too — she's the other end of the line, and honestly they're giving main character energy together 💀

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mwah 💋 that's the page! brought to you by ./fs/gfs2, dated October 2026, and yeah — this is find_last_waiter(9), signing off 🎀✨