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-rw-r--r--Documentation/ABI/testing/sysfs-fs-f2fs9
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
index d870b5514d15..7fa84e349ad9 100644
--- a/Documentation/ABI/testing/sysfs-fs-f2fs
+++ b/Documentation/ABI/testing/sysfs-fs-f2fs
@@ -192,3 +192,12 @@ Date: November 2017
Contact: "Sheng Yong" <shengyong1@huawei.com>
Description:
Controls readahead inode block in readdir.
+
+What: /sys/fs/f2fs/<disk>/extension_list
+Date: Feburary 2018
+Contact: "Chao Yu" <yuchao0@huawei.com>
+Description:
+ Used to control configure extension list:
+ - Query: cat /sys/fs/f2fs/<disk>/extension_list
+ - Add: echo 'extension' > /sys/fs/f2fs/<disk>/extension_list
+ - Del: echo '!extension' > /sys/fs/f2fs/<disk>/extension_list