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-rw-r--r--Documentation/ABI/testing/sysfs-fs-f2fs21
1 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
index 36c3cb5479..99fa87a439 100644
--- a/Documentation/ABI/testing/sysfs-fs-f2fs
+++ b/Documentation/ABI/testing/sysfs-fs-f2fs
@@ -498,6 +498,21 @@ Description: Show status of f2fs checkpoint in real time.
CP_RESIZEFS_FLAG 0x00004000
=============================== ==============================
+What: /sys/fs/f2fs/<disk>/stat/issued_discard
+Date: December 2023
+Contact: "Zhiguo Niu" <zhiguo.niu@unisoc.com>
+Description: Shows the number of issued discard.
+
+What: /sys/fs/f2fs/<disk>/stat/queued_discard
+Date: December 2023
+Contact: "Zhiguo Niu" <zhiguo.niu@unisoc.com>
+Description: Shows the number of queued discard.
+
+What: /sys/fs/f2fs/<disk>/stat/undiscard_blks
+Date: December 2023
+Contact: "Zhiguo Niu" <zhiguo.niu@unisoc.com>
+Description: Shows the total number of undiscard blocks.
+
What: /sys/fs/f2fs/<disk>/ckpt_thread_ioprio
Date: January 2021
Contact: "Daeho Jeong" <daehojeong@google.com>
@@ -740,3 +755,9 @@ Description: When compress cache is on, it controls cached page
If cached page percent exceed threshold, then deny caching compress page.
The value should be in range of (0, 100], by default it was initialized
as 20(%).
+
+What: /sys/fs/f2fs/<disk>/discard_io_aware
+Date: November 2023
+Contact: "Chao Yu" <chao@kernel.org>
+Description: It controls to enable/disable IO aware feature for background discard.
+ By default, the value is 1 which indicates IO aware is on.