-new_sources := iopen.c iopen.h extents.c extents-in-ea.c
-ldiskfs_sources := $(notdir $(ext3_sources) $(ext3_headers)) $(new_sources)
+new_sources := iopen.c iopen.h extents.c mballoc.c group.h fiemap.h
+new_headers := ext3_extents.h
+ldiskfs_patched_sources := $(notdir $(ext3_sources) $(ext3_headers)) $(new_sources) $(new_headers)
+ldiskfs_sources := $(ldiskfs_patched_sources)
+