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Subject[PATCH 3/3] f2fs: Add the 'whint_mode' mount option to f2fs documentation
From: Hyunchul Lee <>

Signed-off-by: Hyunchul Lee <>
Documentation/filesystems/f2fs.txt | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt
index 13c2ff0..414a160 100644
--- a/Documentation/filesystems/f2fs.txt
+++ b/Documentation/filesystems/f2fs.txt
@@ -174,6 +174,12 @@ offgrpjquota Turn off group journelled quota.
offprjjquota Turn off project journelled quota.
quota Enable plain user disk quota accounting.
noquota Disable all plain disk quota option.
+whint_mode=%s Control which write hints are passed down to block
+ layer. This supports "off", "user-based", and
+ "fs-based". In "off" mode (default), f2fs does not pass
+ down hints. In "user-based" mode, f2fs tries to pass
+ down hints given by users. And in "fs-based" mode, f2fs
+ passes down hints with its policy.

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