Index: uspace/lib/ext2/libext2_filesystem.c
===================================================================
--- uspace/lib/ext2/libext2_filesystem.c	(revision 911ee54e3cd964c7e6596e4705d0e855437244ef)
+++ uspace/lib/ext2/libext2_filesystem.c	(revision 01accb7c10fb27192bd5f3f05fb1392ef1509f23)
@@ -62,5 +62,5 @@
 	fs->device = devmap_handle;
 	
-	rc = block_init(fs->device, 2048);
+	rc = block_init(EXCHANGE_SERIALIZE, fs->device, 2048);
 	if (rc != EOK) {
 		return rc;