Add explanatory comments to filesys tests.

[pintos-anon] / src / tests / filesys / extended / grow-sparse.c

diff --git a/src/tests/filesys/extended/grow-sparse.c b/src/tests/filesys/extended/grow-sparse.c
index 11e3b6eabc34cbc455ff2bd2009edb9d9003883e..135a9183fcc8f3d92cfca6f4128dbc4f8145b9df 100644 (file)
--- a/src/tests/filesys/extended/grow-sparse.c
+++ b/src/tests/filesys/extended/grow-sparse.c
@@ -1,3 +1,6 @@
+/* Tests that seeking past the end of a file and writing will
+   properly zero out the region in between. */
+
 #include <syscall.h>
 #include "tests/lib.h"
 #include "tests/main.h"