+This patch is no longer needed for Lustre, since Lustre 2.2. It is kept
+in the kernel patch series for compatibility with older Lustre releases
+to simplify the upgrade process so that both the kernel and Lustre do
+not need to be upgraded at the same time. See Jira issue LU-433.
+
Index: linux-2.6.27.21-0.1/include/linux/jbd2.h
===================================================================
--- linux-2.6.27.21-0.1.orig/include/linux/jbd2.h