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-rw-r--r--Documentation/filesystems/f2fs.rst6
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diff --git a/Documentation/filesystems/f2fs.rst b/Documentation/filesystems/f2fs.rst
index 35ed01a5fbc9..63c0c49b726d 100644
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+++ b/Documentation/filesystems/f2fs.rst
@@ -110,6 +110,12 @@ background_gc=%s Turn on/off cleaning operations, namely garbage
on synchronous garbage collection running in background.
Default value for this option is on. So garbage
collection is on by default.
+gc_merge When background_gc is on, this option can be enabled to
+ let background GC thread to handle foreground GC requests,
+ it can eliminate the sluggish issue caused by slow foreground
+ GC operation when GC is triggered from a process with limited
+ I/O and CPU resources.
+nogc_merge Disable GC merge feature.
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)