diff -rupN linux-2.6.27.21-0.1_1//fs/ext4/Makefile linux-2.6.27.21-0.1_2//fs/ext4/Makefile
--- linux-2.6.27.21-0.1_1//fs/ext4/Makefile 2009-08-21 15:12:51.000000000 +0530
+++ linux-2.6.27.21-0.1_2//fs/ext4/Makefile 2009-08-21 15:13:23.000000000 +0530
-@@ -6,7 +6,7 @@ obj-$(CONFIG_EXT4DEV_FS) += ext4dev.o
+@@ -6,7 +6,8 @@ obj-$(CONFIG_EXT4DEV_FS) += ext4dev.o
- ext4dev-y := balloc.o bitmap.o dir.o file.o fsync.o ialloc.o inode.o iopen.o \
- ioctl.o namei.o super.o symlink.o hash.o resize.o extents.o \
-- ext4_jbd2.o migrate.o mballoc.o
-+ ext4_jbd2.o migrate.o mballoc.o dynlocks.o
-
- ext4dev-$(CONFIG_EXT4DEV_FS_XATTR) += xattr.o xattr_user.o xattr_trusted.o
- ext4dev-$(CONFIG_EXT4DEV_FS_POSIX_ACL) += acl.o
+ ext4-y := balloc.o bitmap.o dir.o file.o fsync.o ialloc.o inode.o iopen.o \
+ ioctl.o namei.o super.o symlink.o hash.o resize.o extents.o \
+- ext4_jbd2.o migrate.o mballoc.o block_validity.o move_extent.o
++ ext4_jbd2.o migrate.o mballoc.o block_validity.o move_extent.o \
++ dynlocks.o
+
+ ext4-$(CONFIG_EXT4_FS_XATTR) += xattr.o xattr_user.o xattr_trusted.o
+ ext4-$(CONFIG_EXT4_FS_POSIX_ACL) += acl.o
diff -rupN linux-2.6.27.21-0.1_1//fs/ext4/super.c linux-2.6.27.21-0.1_2//fs/ext4/super.c
--- linux-2.6.27.21-0.1_1//fs/ext4/super.c 2009-08-21 15:12:51.000000000 +0530
+++ linux-2.6.27.21-0.1_2//fs/ext4/super.c 2009-08-21 15:18:18.000000000 +0530