diff options
authorDavid Sterba <dsterba@suse.cz>2013-11-20 15:05:51 +0100
committerChris Mason <chris.mason@fusionio.com>2013-11-21 11:51:49 -0500
commit906c176e541f89ed3c04d0e9af1c7cf7b3cc1adb (patch)
parent4204617d142c0887e45fda2562cb5c58097b918e (diff)
Documentation: filesystems: add new btrfs mount options
Two new options were added in 3.12: commit and rescan_uuid_tree CC: linux-doc@vger.kernel.org Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
1 files changed, 11 insertions, 1 deletions
diff --git a/Documentation/filesystems/btrfs.txt b/Documentation/filesystems/btrfs.txt
index 9dae5940743..4ced8be43c8 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).
@@ -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."