queued_read_unlock(9)

💅 queued_read_unlock(9) — the Kernel API Manual, bestie edition 🎀

okay so real talk: this is a page from the Kernel API Manual, section 9, and it's about queued_read_unlock — the lil function that lets go of a read lock on a queued rwlock. that's the whole vibe. let's get into it ✨

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🌸 NAME 🌸

queued_read_unlock — release read lock of a queued rwlock

like, you held the read lock, you did your little read, and now you're releasing it. closure. growth. main character energy 🦋

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✨ SYNOPSIS ✨

void queued_read_unlock (struct qrwlock *lock );

returns void btw, so don't go looking for a return value, there isn't one, she simply does her job and leaves 💅

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🫶 ARGUMENTS 🫶

• lock — Pointer to queued rwlock structure. that's it. that's the argument. hand her the pointer to your struct qrwlock and she'll handle the rest 🎀

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👑 SEE ALSO 👑

this lives in the kernel file ./include/asm-generic/qrwlock.h, and here's the whole friend group, no cap:

• queued_read_trylock(9)
• queued_write_trylock(9)
• queued_read_lock(9)
• queued_write_lock(9)
• queued_write_unlock(9)
• queued_rwlock_is_contended(9)

the read-unlock-to-read-trylock pipeline is literally iconic, iykyk 🔥

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ngl bestie, always make sure you're unlocking the same lock you locked, that's just basic lock etiquette 💀

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and that's the page!! source/version file path is ./include/asm-generic, dated October 2026, section 9 of the Kernel API Manual — mwah, slay, periodt 💖🌈⭐