crush_find_rule(9)

💅 crush_find_rule 💅

okay so bestie, welcome to the Kernel API Manual — this is the page for crush_find_rule(9), and yes she's a little function but she ATE. let's get into it 🫶

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✨ NAME ✨

crush_find_rule — find a crush_rule id for a given ruleset, type, and size. literally that's the whole gig, no cap 💖

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🌸 SYNOPSIS 🌸

int crush_find_rule (const struct crush_map *map , int ruleset , int
type , int size );

look at her. iconic signature. copy it exactly bestie, character for character, don't get creative 😭

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🎀 ARGUMENTS 🎀

• map — the crush_map. yes it's just the map. she's holding everything, main character energy fr fr 👑
• ruleset — the storage ruleset id. it's user defined, so like, that's on you boo 💅
• type — storage ruleset type. also user defined. also on you 🌸
• size — output set size. the size of the output set. slay 💖

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🦋 SEE ALSO 🦋

• the kernel file ./net/ceph/crush/mapper.c — go read the source, iykyk 🔥
• crush_choose_firstn(9) — her bestie fr fr
• crush_do_rule(9) — her OTHER bestie, the whole friend group ate ✨

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lowkey a lil reminder that ruleset and type are both user defined, so if it goes weird, check yourself before you wreck yourself bestie 💀

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and that's the page!! 🎀 k bye, this one comes to you from ./net/ceph/crush, dated October 2026 — mwah, see you in the group chat 🌈💜⭐