self_check_peb_vid_hdr(9)

🌟 self_check_peb_vid_hdr(9) 🌟

okay so bestie, this is the self_check_peb_vid_hdr(9) page from the Kernel API Manual 🫶 it's short, it's iconic, and it's basically the vibe check for the volume identifier header. no cap.

🌸 NAME 🌸

self_check_peb_vid_hdr — check volume identifier header.

✨ SYNOPSIS ✨

int self_check_peb_vid_hdr (const struct ubi_device *ubi , int pnum );

🎀 ARGUMENTS 🎀

• ubi — the UBI device description object, aka the device info bestie you're working with 💅
• pnum — the physical eraseblock number to check, don't skip it 🎯

🦋 DESCRIPTION 🦋

So this function returns zero if the volume identifier header is all right — yes, zero is the slay outcome ✅ — and a negative error code if not, or if an error occurred 😭. That's the whole tea, fr fr.

🌈 SEE ALSO 🌈

Kernel file ./drivers/mtd/ubi/io.c is right there, and these linked pages are the whole friend group:

• ubi_io_read(9)
• ubi_io_write(9)
• do_sync_erase(9)
• torture_peb(9)
• nor_erase_prepare(9)
• ubi_io_sync_erase(9)
• ubi_io_is_bad(9)
• ubi_io_mark_bad(9)
• validate_ec_hdr(9)
• ubi_io_read_ec_hdr(9)
• ubi_io_write_ec_hdr(9)
• validate_vid_hdr(9)
• ubi_io_read_vid_hdr(9)
• ubi_io_write_vid_hdr(9)
• self_check_not_bad(9)
• self_check_ec_hdr(9)
• self_check_peb_ec_hdr(9)
• self_check_vid_hdr(9)
• self_check_write(9)
• ubi_self_check_all_ff(9)

okay that's it bestie, mwah 💋 — brought to you by the ./drivers/mtd/ubi source corner, dated October 2026, page self_check_peb_vid_hdr(9) 💅✨