SEARCH_BBT - Online Linux Manual PageSection : 9
Updated : June 2018
Source : Kernel Hackers Manual 2​.6​.
Note : Internal Functions Provided

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NAMEsearch_bbt − [GENERIC] scan the device for a specific bad block table

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SYNOPSISint search_bbt(struct mtd_info * mtd, uint8_t * buf, struct nand_bbt_descr * td);

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ARGUMENTSmtd MTD device structure buf temporary buffer td descriptor for the bad block table

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DESCRIPTIONRead the bad block table by searching for a given ident pattern​. Search is preformed either from the beginning up or from the end of the device downwards​. The search starts always at the start of a block​. If the option NAND_BBT_PERCHIP is given, each chip is searched for a bbt, which contains the bad block information of this chip​. This is necessary to provide support for certain DOC devices​. The bbt ident pattern resides in the oob area of the first page in a block​.

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AUTHORThomas Gleixner <​tglx@linutronix.de​> Author.

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