nand_create_...lock_pattern(9)

💅 nand_create_badblock_pattern(9) 💅

okay so bestie, welcome to the Kernel API Manual — yes we're reading kernel docs together, this is our bonding time now 🫶

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✨ NAME ✨

nand_create_badblock_pattern — [INTERN] creates a BBT descriptor structure 🎀

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🌸 SYNOPSIS 🌸

int nand_create_badblock_pattern (struct nand_chip *this );

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🦋 ARGUMENTS 🦋

• this — the NAND chip you're making a descriptor for. that's the whole vibe, she's the main character 💅

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⭐ DESCRIPTION ⭐

okay so real talk: this function allocates and initializes a nand_bbt_descr for BBM detection, and it does it based on the properties of this. slay.

the new descriptor gets stored in this->badblock_pattern. so like, heads up bestie 👑

this->badblock_pattern should be NULL when you pass it to this function. fr fr. not a suggestion, it's literally in the docs 😭

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🌈 SEE ALSO 🌈

kernel file ./drivers/mtd/nand/raw/nand_bbt.c — and the whole squad, no cap:

• check_pattern(9)
• check_short_pattern(9)
• add_marker_len(9)
• read_bbt(9)
• read_abs_bbt(9)
• scan_read_oob(9)
• read_abs_bbts(9)
• create_bbt(9)
• search_bbt(9)
• search_read_bbts(9)
• get_bbt_block(9)
• mark_bbt_block_bad(9)
• write_bbt(9)
• nand_memory_bbt(9)
• check_create(9)
• nand_update_bbt(9)
• mark_bbt_region(9)
• verify_bbt_descr(9)
• nand_scan_bbt(9)
• nand_create_bbt(9)
• nand_isreserved_bbt(9)
• nand_isbad_bbt(9)
• nand_markbad_bbt(9)

like, that's the entire friend group, and honestly? obsessed 🔥

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that's the whole page bestie, you ate that 🍓✨

source: ./drivers/mtd/nand/raw · dated: October 2026 — mwah, bye bye! 💖🧚‍♀️