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| author |   Ezequiel Garcia <ezequiel.garcia@free-electrons.com> | 2014-06-24 10:55:50 -0300 |
|---|---|---|
| committer |   Brian Norris <computersforpeace@gmail.com> | 2014-07-08 18:37:26 -0700 |
| commit | 990a3af0c20590954be01a95c2c3fcef9360a836 (patch) | |
| tree | fc993286f8726b9a413b4d79e21133f3157ec2e8 /Documentation/ABI | |
| parent | mtd: phram: replace kmalloc/strcpy by kstrdup (diff) | |
| download | linux-dev-990a3af0c20590954be01a95c2c3fcef9360a836.tar.xz linux-dev-990a3af0c20590954be01a95c2c3fcef9360a836.zip | |
mtd: Add sysfs attributes to expose the ECC stats fields
These new sysfs device attributes allow us to retrieve the ECC and bad
block stats by poking a sysfs file, which is often more convenient than
using the ioctl.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Tested-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-mtd | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-mtd b/Documentation/ABI/testing/sysfs-class-mtd index 1399bb2da3eb..76ee192f80a0 100644 --- a/Documentation/ABI/testing/sysfs-class-mtd +++ b/Documentation/ABI/testing/sysfs-class-mtd @@ -184,3 +184,41 @@ Description: It will always be a non-negative integer. In the case of devices lacking any ECC capability, it is 0. + +What: /sys/class/mtd/mtdX/ecc_failures +Date: June 2014 +KernelVersion: 3.17 +Contact: linux-mtd@lists.infradead.org +Description: + The number of failures reported by this device's ECC. Typically, + these failures are associated with failed read operations. + + It will always be a non-negative integer. In the case of + devices lacking any ECC capability, it is 0. + +What: /sys/class/mtd/mtdX/corrected_bits +Date: June 2014 +KernelVersion: 3.17 +Contact: linux-mtd@lists.infradead.org +Description: + The number of bits that have been corrected by means of the + device's ECC. + + It will always be a non-negative integer. In the case of + devices lacking any ECC capability, it is 0. + +What: /sys/class/mtd/mtdX/bad_blocks +Date: June 2014 +KernelVersion: 3.17 +Contact: linux-mtd@lists.infradead.org +Description: + The number of blocks marked as bad, if any, in this partition. + +What: /sys/class/mtd/mtdX/bbt_blocks +Date: June 2014 +KernelVersion: 3.17 +Contact: linux-mtd@lists.infradead.org +Description: + The number of blocks that are marked as reserved, if any, in + this partition. These are typically used to store the in-flash + bad block table (BBT). |