self_check_seen(9)

okay so bestie, welcome to the Kernel API Manual 💖 — this page is all about self_check_seen(9), and it is literally here to check whether all PEB have been seen by fastmap. no cap.

✨ NAME ✨

self_check_seen — check whether all PEB have been seen by fastmap.

That's the whole main-character job: a little vibe check for fastmap. periodt.

🦋 SYNOPSIS 🦋

Here's the exact signature, bestie — don't let the spaces gaslight you:

int self_check_seen (struct ubi_device *ubi , unsigned long *seen );

💅 ARGUMENTS 💅

• ubi — UBI device description object. The whole device-description situation, iconic.
• seen — integer array of ubi->peb_count size. Literally an integer array sized like ubi->peb_count, periodt.

🌈 SEE ALSO 🌈

Kernel file ./drivers/mtd/ubi/fastmap.c is the main-character location, and the rest of the friend group is:

• init_seen(9)
• free_seen(9)
• set_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)
• find_fm_anchor(9)
• ubi_scan_fastmap(9)
• ubi_write_fastmap(9)
• invalidate_fastmap(9)
• return_fm_pebs(9)
• ubi_update_fastmap(9)

source/version: ./drivers/mtd/ubi · date: October 2026 · self_check_seen(9) signing off 🫶✨💅