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-rw-r--r--Documentation/filesystems/btrfs.txt5
1 files changed, 3 insertions, 2 deletions
diff --git a/Documentation/filesystems/btrfs.txt b/Documentation/filesystems/btrfs.txt
index 79c08f368ace..bbd1f0f57ce9 100644
--- a/Documentation/filesystems/btrfs.txt
+++ b/Documentation/filesystems/btrfs.txt
@@ -154,9 +154,10 @@ Options with (*) are default options and will not show in the mount options.
(non-battery-backed) write-back cache, nobarrier option will lead to
filesystem corruption on a system crash or power loss.
+ datacow(*)
nodatacow
- Disable data copy-on-write for newly created files. Implies nodatasum,
- and disables all compression.
+ Enable/disable data copy-on-write for newly created files.
+ Nodatacow implies nodatasum, and disables all compression.
nodatasum
Disable data checksumming for newly created files.