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[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>
This commit is contained in:
Thomas Gleixner 2006-05-25 09:57:31 +02:00 committed by David Woodhouse
parent 7314e9e7d5
commit 7fac464868
1 changed files with 14 additions and 0 deletions
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14
include/linux/mtd/mtd.h
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@ -56,6 +56,17 @@ struct mtd_erase_region_info {
u_int32_t numblocks; /* Number of blocks of erasesize in this region */ 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 { struct mtd_info {
u_char type; u_char type;
u_int32_t flags; u_int32_t flags;
@ -153,6 +164,9 @@ struct mtd_info {
struct notifier_block reboot_notifier; /* default mode before reboot */ struct notifier_block reboot_notifier; /* default mode before reboot */
/* ECC status information */
struct mtd_ecc_stats ecc_stats;
void *priv; void *priv;
struct module *owner; struct module *owner;