wl_entry_destroy(9)

💅 wl_entry_destroy(9) — Kernel API Manual ✨

okay so bestie, we're in section 9 of the kernel API manual and today's main character is wl_entry_destroy. yes it's a whole thing, and yes you're gonna get it. 🫶

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🌸 NAME 🌸

wl_entry_destroy — destroy a wear-leveling entry. that's it, that's the vibe. lowkey iconic for how straightforward it is 💅

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✨ SYNOPSIS ✨

void wl_entry_destroy (struct ubi_device *ubi , struct ubi_wl_entry *e
);

like, it returns void, so nothing comes back — no gift, no follow-up text, just vibes and a side effect. 🦋

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🎀 ARGUMENTS 🎀

• ubi — the UBI device description object. your device's whole little identity card fr fr 💖
• e — the wear-leveling entry to add. (yes, the original manpage literally says "to add" here — not me, I'm just the messenger 😭🙈 the function is wl_entry_destroy, so do with that what you will — I'm reading the page exactly as it's written, no cap.)

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🔥 DESCRIPTION 🔥

so what does it DO. this function destroys a wear leveling entry, and it removes the reference from the lookup table. that's the whole arc. two things, both slay:

1. the wear leveling entry gets destroyed 💀
2. the reference to it gets removed from the lookup table 🧚

periodt. that's the entire description and honestly? not everything needs to be a novel. 👑

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🦋 SEE ALSO 🦋

okay this is the part where the friend group gets TAGGED, and it's a big group chat. buckle up bestie, we're in ./drivers/mtd/ubi/wl.c and everyone's here:

wl_tree_add(9), do_work(9), in_wl_tree(9), in_pq(9), prot_queue_add(9), find_wl_entry(9), find_mean_wl_entry(9), wl_get_wle(9), prot_queue_del(9), ubi_sync_erase(9), serve_prot_queue(9), __schedule_ubi_work(9), schedule_ubi_work(9), schedule_erase(9), do_sync_erase(9), wear_leveling_worker(9), ensure_wear_leveling(9), __erase_worker(9), ubi_wl_put_peb(9), ubi_wl_scrub_peb(9), ubi_wl_flush(9), ubi_bitflip_check(9), tree_destroy(9), ubi_thread(9), shutdown_work(9), erase_aeb(9), ubi_wl_init(9), protection_queue_destroy(9), ubi_wl_close(9), self_check_ec(9), self_check_in_wl_tree(9), self_check_in_pq(9), produce_free_peb(9), ubi_wl_get_peb(9).

that's 34 friends and they ALL made it to the function. very "everyone showed up to the group project" energy 🌈

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ngl, the kernel file they all live in is ./drivers/mtd/ubi/wl.c — write that down, iykyk 📝

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and that's the page!! mwah 💋 this little manpage lives in ./drivers/mtd/ubi and it's dated October 2026 — so basically a time traveler, obsessed. go destroy some wear-leveling entries responsibly bestie, ily, bye 💜🎀✨