+commit 2d3aaef4122c11dcb6d892da89522ffa37036136
+Author: Fan Yong <yong.fan@whamcloud.com>
+AuthorDate: Thu Feb 25 00:32:12 2010 -0800
+Subject: ext4: diagnostic patch to verify lustre read-only device mechanism
+
+Diagnostic patch to check whether lustre read-only device mechanism works well or not.
+Signed-off-by: Fan Yong <yong.fan@whamcloud.com>
+Reviewed-by: Alex Zhuravlev <alex.zhuravlev@sun.com>
+Reviewed-by: Rahul Deshmukh <rahul.deshmukh@sun.com>
---
fs/ext4/mballoc.c | 43 +++++++++++++++++++++++++++++++++++++------
fs/ext4/mballoc.h | 2 ++