[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>
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index b8ad634..41a984d 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -56,6 +56,17 @@
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 notifier_block reboot_notifier; /* default mode before reboot */
+ /* ECC status information */
+ struct mtd_ecc_stats ecc_stats;
+
void *priv;
struct module *owner;