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-rw-r--r--Documentation/filesystems/f2fs.txt7
1 files changed, 6 insertions, 1 deletions
diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt
index e1c9f0849da6..ecd808088362 100644
--- a/Documentation/filesystems/f2fs.txt
+++ b/Documentation/filesystems/f2fs.txt
@@ -109,7 +109,9 @@ background_gc=%s Turn on/off cleaning operations, namely garbage
disable_roll_forward Disable the roll-forward recovery routine
norecovery Disable the roll-forward recovery routine, mounted read-
only (i.e., -o ro,disable_roll_forward)
-discard Issue discard/TRIM commands when a segment is cleaned.
+discard/nodiscard Enable/disable real-time discard in f2fs, if discard is
+ enabled, f2fs will issue discard/TRIM commands when a
+ segment is cleaned.
no_heap Disable heap-style segment allocation which finds free
segments for data from the beginning of main area, while
for node from the end of main area.
@@ -151,6 +153,9 @@ noinline_data Disable the inline data feature, inline data feature is
enabled by default.
data_flush Enable data flushing before checkpoint in order to
persist data of regular and symlink.
+mode=%s Control block allocation mode which supports "adaptive"
+ and "lfs". In "lfs" mode, there should be no random
+ writes towards main area.
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DEBUGFS ENTRIES