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-rw-r--r--Documentation/ABI/testing/sysfs-fs-f2fs8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
index 32404781e76f..84a009aab1a1 100644
--- a/Documentation/ABI/testing/sysfs-fs-f2fs
+++ b/Documentation/ABI/testing/sysfs-fs-f2fs
@@ -647,3 +647,11 @@ Date: October 2022
Contact: "Yangtao Li" <frank.li@vivo.com>
Description: Show the current gc_mode as a string.
This is a read-only entry.
+
+What: /sys/fs/f2fs/<disk>/discard_urgent_util
+Date: November 2022
+Contact: "Yangtao Li" <frank.li@vivo.com>
+Description: When space utilization exceeds this, do background DISCARD aggressively.
+ Does DISCARD forcibly in a period of given min_discard_issue_time when the number
+ of discards is not 0 and set discard granularity to 1.
+ Default: 80