find_fm_anchor(9)

👑 find_fm_anchor(9) — like, the Kernel API Manual page, bestie 💅

okay so picture this: you're deep in the kernel docs (the Kernel API Manual, no less ✨) and you land on find_fm_anchor. This is the function whose whole entire job is to find the most recent Fastmap superblock (anchor). That's it. That's the function. Iconic behaviour, honestly 🎀

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🌸 NAME 🌸

find_fm_anchor — find the most recent Fastmap superblock (anchor) 🦋

no cap, that's the whole vibe. it goes looking for the freshest Fastmap anchor and that's the main character energy we're running with 💖

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✨ SYNOPSIS ✨

int find_fm_anchor (struct ubi_attach_info *ai );

the way it returns an int — we love a return value that tells you how it went 😭🫶

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🎀 ARGUMENTS 🎀

• ai — the UBI attach info to be filled 💜 like, you hand it the attach info struct and it gets filled in. that's the whole assignment. slay.

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🔥 SEE ALSO 🔥

bestie, the cross-reference list is long and honestly? we respect it. all of these live in the Kernel file ./drivers/mtd/ubi/fastmap.c — go read them, iykyk:

• init_seen(9)
• free_seen(9)
• set_seen(9)
• self_check_seen(9)
• ubi_calc_fm_size(9)
• new_fm_vbuf(9)
• add_aeb(9)
• add_vol(9)
• assign_aeb_to_av(9)
• update_vol(9)
• process_pool_aeb(9)
• unmap_peb(9)
• scan_pool(9)
• count_fastmap_pebs(9)
• ubi_attach_fastmap(9)
• ubi_scan_fastmap(9)
• ubi_write_fastmap(9)
• invalidate_fastmap(9)
• return_fm_pebs(9)
• ubi_update_fastmap(9)

💀 yes that's twenty of them and yes you should probably read at least a few before you go poking at Fastmaps. consider this your vibe check.

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and that's the page, bestie 🧚💫 shoutout to ./drivers/mtd/ubi for being the directory that hosts all this drama, and a very October 2026 coded moment to the version stamp 💐 periodt. 🍓