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-rw-r--r--Documentation/filesystems/btrfs.txt11
1 files changed, 8 insertions, 3 deletions
diff --git a/Documentation/filesystems/btrfs.txt b/Documentation/filesystems/btrfs.txt
index c772b47e7ef0..a2b1c508c32c 100644
--- a/Documentation/filesystems/btrfs.txt
+++ b/Documentation/filesystems/btrfs.txt
@@ -168,10 +168,15 @@ Options with (*) are default options and will not show in the mount options.
notreelog
Enable/disable the tree logging used for fsync and O_SYNC writes.
- recovery
- Enable autorecovery attempts if a bad tree root is found at mount time.
- Currently this scans a list of several previous tree roots and tries to
+ usebackuproot
+ Enable attempts to use backup tree roots if a bad tree root is found at
+ mount time.
+ Currently this scans a list of 4 previous tree roots and tries to
use the first readable.
+ And since the mount option doesn't affect any behavior after mount,
+ it won't be shown in mount info.
+ Prior to 4.6, this was done by 'recovery' option that has been
+ deprecated, but will work.
rescan_uuid_tree
Force check and rebuild procedure of the UUID tree. This should not