update name of code to labcodes

labcodes/lab8/kern/fs/sfs/sfs.c

@@ -0,0 +1,19 @@
+#include <defs.h>
+#include <sfs.h>
+#include <error.h>
+#include <assert.h>
+
+/*
+ * sfs_init - mount sfs on disk0
+ *
+ * CALL GRAPH:
+ *   kern_init-->fs_init-->sfs_init
+ */
+void
+sfs_init(void) {
+    int ret;
+    if ((ret = sfs_mount("disk0")) != 0) {
+        panic("failed: sfs: sfs_mount: %e.\n", ret);
+    }
+}
+