Documentation: filesystems: add new btrfs mount options

[Linux-MTD Mailing List]

Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=906c176e541f89ed3c04d0e9af1c7cf7b3cc1adb
Commit:     906c176e541f89ed3c04d0e9af1c7cf7b3cc1adb
Parent:     4204617d142c0887e45fda2562cb5c58097b918e
Author:     David Sterba <dsterba at suse.cz>
AuthorDate: Wed Nov 20 15:05:51 2013 +0100
Committer:  Chris Mason <chris.mason at fusionio.com>
CommitDate: Thu Nov 21 11:51:49 2013 -0500

    Documentation: filesystems: add new btrfs mount options
    
    Two new options were added in 3.12: commit and rescan_uuid_tree
    
    CC: linux-doc at vger.kernel.org
    Signed-off-by: David Sterba <dsterba at suse.cz>
    Signed-off-by: Chris Mason <chris.mason at fusionio.com>
---
 Documentation/filesystems/btrfs.txt | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/Documentation/filesystems/btrfs.txt b/Documentation/filesystems/btrfs.txt
index 9dae594..4ced8be 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."