From 906c176e541f89ed3c04d0e9af1c7cf7b3cc1adb Mon Sep 17 00:00:00 2001 From: David Sterba Date: Wed, 20 Nov 2013 15:05:51 +0100 Subject: [PATCH] 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 Signed-off-by: Chris Mason --- 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= + 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= 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." -- 2.7.4