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-rw-r--r--Documentation/filesystems/ocfs2.txt11
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/filesystems/ocfs2.txt b/Documentation/filesystems/ocfs2.txt
index e78abdcc59ee..b63bd2d7fcd3 100644
--- a/Documentation/filesystems/ocfs2.txt
+++ b/Documentation/filesystems/ocfs2.txt
@@ -61,3 +61,14 @@ data=writeback Data ordering is not preserved, data may be written
61preferred_slot=0(*) During mount, try to use this filesystem slot first. If 61preferred_slot=0(*) During mount, try to use this filesystem slot first. If
62 it is in use by another node, the first empty one found 62 it is in use by another node, the first empty one found
63 will be chosen. Invalid values will be ignored. 63 will be chosen. Invalid values will be ignored.
64commit=nrsec (*) Ocfs2 can be told to sync all its data and metadata
65 every 'nrsec' seconds. The default value is 5 seconds.
66 This means that if you lose your power, you will lose
67 as much as the latest 5 seconds of work (your
68 filesystem will not be damaged though, thanks to the
69 journaling). This default value (or any low value)
70 will hurt performance, but it's good for data-safety.
71 Setting it to 0 will have the same effect as leaving
72 it at the default (5 seconds).
73 Setting it to very large values will improve
74 performance.