Add explanatory comments to filesys tests.

[pintos-anon] / src / tests / filesys / base / syn-write.c

diff --git a/src/tests/filesys/base/syn-write.c b/src/tests/filesys/base/syn-write.c
index 5147a571888f3220b47d5dc403594ae8373951f2..19e9d592207cfa464758742cc3f2d319fc260eee 100644 (file)
--- a/src/tests/filesys/base/syn-write.c
+++ b/src/tests/filesys/base/syn-write.c
@@ -1,3 +1,7 @@
+/* Spawns several child processes to write out different parts of
+   the contents of a file and waits for them to finish.  Then
+   reads back the file and verifies its contents. */
+
 #include <random.h>
 #include <stdio.h>
 #include <string.h>