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-rw-r--r--Documentation/filesystems/f2fs.txt4
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt
index e9e750e59efc..e2d5105b7214 100644
--- a/Documentation/filesystems/f2fs.txt
+++ b/Documentation/filesystems/f2fs.txt
@@ -143,7 +143,9 @@ fastboot This option is used when a system wants to reduce mount
extent_cache Enable an extent cache based on rb-tree, it can cache
as many as extent which map between contiguous logical
address and physical address per inode, resulting in
- increasing the cache hit ratio.
+ increasing the cache hit ratio. Set by default.
+noextent_cache Diable an extent cache based on rb-tree explicitly, see
+ the above extent_cache mount option.
noinline_data Disable the inline data feature, inline data feature is
enabled by default.