[PATCH v3 08/10] ubi: Add max erase counter sysfs attribute for fastmap area

Rickard Andersson
2024-10-11T13:01:25Z

A max erase counter specifically for the fastmap area gives a better
understanding of the flash wear.

Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Rickard Andersson <rickard.andersson@axis.com>
---
Documentation/ABI/stable/sysfs-class-ubi | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/Documentation/ABI/stable/sysfs-class-ubi b/Documentation/ABI/stable/sysfs-class-ubi
index 05a701b03a9a..62c93fda0bc4 100644
--- a/Documentation/ABI/stable/sysfs-class-ubi
+++ b/Documentation/ABI/stable/sysfs-class-ubi
@@ -78,6 +78,14 @@ Contact: Artem Bityutskiy <dedekind@infradead.org>
Description:
Maximum physical eraseblock erase counter value.

+What: /sys/class/ubi/ubiX/max_ec_fastmap
+Date: October 2024
+KernelVersion: 6.X
+Contact: linux-mtd@lists.infradead.org
+Description:
+ Maximum physical eraseblock erase counter value for a block
+ in the fastmap area.
+
What: /sys/class/ubi/ubiX/max_vol_count
Date: July 2006
KernelVersion: 2.6.22