1 files changed, 17 insertions, 17 deletions

diff --git a/Documentation/filesystems/btrfs.txt b/Documentation/filesystems/btrfs.txt
index 9dae59407437..5dd282dda55c 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."
 
@@ -234,24 +244,14 @@ available from the git repository at the following location:
 
 These include the following tools:
 
-mkfs.btrfs: create a filesystem
-
-btrfsctl: control program to create snapshots and subvolumes:
+* mkfs.btrfs: create a filesystem
 
-        mount /dev/sda2 /mnt
-        btrfsctl -s new_subvol_name /mnt
-        btrfsctl -s snapshot_of_default /mnt/default
-        btrfsctl -s snapshot_of_new_subvol /mnt/new_subvol_name
-        btrfsctl -s snapshot_of_a_snapshot /mnt/snapshot_of_new_subvol
-        ls /mnt
-        default snapshot_of_a_snapshot snapshot_of_new_subvol
-        new_subvol_name snapshot_of_default
+* btrfs: a single tool to manage the filesystems, refer to the manpage for more details
 
-        Snapshots and subvolumes cannot be deleted right now, but you can
-        rm -rf all the files and directories inside them.
+* 'btrfsck' or 'btrfs check': do a consistency check of the filesystem
 
-btrfsck: do a limited check of the FS extent trees.
+Other tools for specific tasks:
 
-btrfs-debug-tree: print all of the FS metadata in text form.  Example:
+* btrfs-convert: in-place conversion from ext2/3/4 filesystems
 
-        btrfs-debug-tree /dev/sda2 >& big_output_file
+* btrfs-image: dump filesystem metadata for debugging