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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 dcf338e62b71..bd3c56c67380 100644
--- a/Documentation/filesystems/f2fs.txt
+++ b/Documentation/filesystems/f2fs.txt
@@ -146,7 +146,7 @@ USAGE
Format options
--------------
--l [label] : Give a volume label, up to 256 unicode name.
+-l [label] : Give a volume label, up to 512 unicode name.
-a [0 or 1] : Split start location of each area for heap-based allocation.
1 is set by default, which performs this.
-o [int] : Set overprovision ratio in percent over volume size.
@@ -156,6 +156,8 @@ Format options
-z [int] : Set the number of sections per zone.
1 is set by default.
-e [str] : Set basic extension list. e.g. "mp3,gif,mov"
+-t [0 or 1] : Disable discard command or not.
+ 1 is set by default, which conducts discard.
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DESIGN