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| author | Thomas Gleixner <tglx@cruncher.tec.linutronix.de> | 2006-05-25 09:57:31 +0200 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2006-05-25 13:45:27 +0200 |
| commit | 7fac464868ec5d80019fa549b8b4516dd1dc9d5c (patch) | |
| tree | 0b8003852a430e91c31481bf6bb8cec66993199b | |
| parent | [MTD] NAND Cleanup oob functions (diff) | |
| download | linux-7fac464868ec5d80019fa549b8b4516dd1dc9d5c.tar.xz linux-7fac464868ec5d80019fa549b8b4516dd1dc9d5c.zip | |
[MTD] Add ECC statistics to struct mtd_info
FLASH - especially NAND FLASH - will become less reliable
and bit flips more likely. Add an ECC statistics struct
to struct mtd_info to keep track of this.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | include/linux/mtd/mtd.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index b8ad634391db..41a984dcb139 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -56,6 +56,17 @@ struct mtd_erase_region_info { u_int32_t numblocks; /* Number of blocks of erasesize in this region */ }; +/** + * struct mtd_ecc_stats - error correction status + * + * @corrected: number of corrected bits + * @failed: number of uncorrectable errors + */ +struct mtd_ecc_stats { + unsigned long corrected; + unsigned long failed; +}; + struct mtd_info { u_char type; u_int32_t flags; @@ -153,6 +164,9 @@ struct mtd_info { struct notifier_block reboot_notifier; /* default mode before reboot */ + /* ECC status information */ + struct mtd_ecc_stats ecc_stats; + void *priv; struct module *owner; |