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-rw-r--r--Documentation/filesystems/btrfs.txt12
1 files changed, 11 insertions, 1 deletions
diff --git a/Documentation/filesystems/btrfs.txt b/Documentation/filesystems/btrfs.txt
index 9dae59407437..4ced8be43c88 100644
--- a/Documentation/filesystems/btrfs.txt
+++ b/Documentation/filesystems/btrfs.txt
@@ -70,6 +70,12 @@ Unless otherwise specified, all options default to off.
See comments at the top of fs/btrfs/check-integrity.c for more info.
+ commit=<seconds>
+ Set the interval of periodic commit, 30 seconds by default. Higher
+ values defer data being synced to permanent storage with obvious
+ consequences when the system crashes. The upper bound is not forced,
+ but a warning is printed if it's more than 300 seconds (5 minutes).
+
compress
compress=<type>
compress-force
@@ -154,7 +160,11 @@ Unless otherwise specified, all options default to off.
Currently this scans a list of several previous tree roots and tries to
use the first readable.
- skip_balance
+ rescan_uuid_tree
+ Force check and rebuild procedure of the UUID tree. This should not
+ normally be needed.
+
+ skip_balance
Skip automatic resume of interrupted balance operation after mount.
May be resumed with "btrfs balance resume."