Index: uspace/lib/ext4/Makefile
===================================================================
--- uspace/lib/ext4/Makefile	(revision 3345b8643e43d3ed4e6235473b2897c18e8a697c)
+++ uspace/lib/ext4/Makefile	(revision 805552d0df94261451a5f7df54c5bd5cf4cddbc5)
@@ -29,5 +29,9 @@
 USPACE_PREFIX = ../..
 LIBRARY = libext4
-EXTRA_CFLAGS = -I$(LIBBLOCK_PREFIX) -I$(LIBCRYPTO_PREFIX) -Iinclude
+EXTRA_CFLAGS = \
+    -I$(LIBBLOCK_PREFIX) \
+    -I$(LIBCRYPTO_PREFIX) \
+    -I$(LIBFS_PREFIX) \
+    -Iinclude
 
 SOURCES = \
@@ -42,4 +46,5 @@
 	src/ialloc.c \
 	src/inode.c \
+	src/ops.c \
 	src/superblock.c