Add explanatory comments to filesys tests.

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

diff --git a/src/tests/filesys/base/child-syn-read.c b/src/tests/filesys/base/child-syn-read.c
index 8f3ccc4017b1493e9cc5df4d9a76068ca2d223e4..a7801d4774e21673661053e89681bc56e96325a2 100644 (file)
--- a/src/tests/filesys/base/child-syn-read.c
+++ b/src/tests/filesys/base/child-syn-read.c
@@ -1,3 +1,9 @@
+/* Child process for syn-read test.
+   Reads the contents of a test file a byte at a time, in the
+   hope that this will take long enough that we can get a
+   significant amount of contention in the kernel filesystem
+   code. */
+
 #include <random.h>
 #include <stdio.h>
 #include <stdlib.h>