[PATCH] fstests: add SPDX license comments for src/log-writes/*

[Josef Bacik <josef@toxicpanda.com>]

I apparently never bothered to put copyright or license info with this
code, just tag it as GPL 2 and I'll fix the upstream stuff as well.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
---
 src/log-writes/log-writes.c | 1 +
 src/log-writes/log-writes.h | 1 +
 src/log-writes/replay-log.c | 1 +
 3 files changed, 3 insertions(+)

diff --git a/src/log-writes/log-writes.c b/src/log-writes/log-writes.c
index 5dc22c244cea..aa53473974d9 100644
--- a/src/log-writes/log-writes.c
+++ b/src/log-writes/log-writes.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/fs.h>
 #include <sys/types.h>
 #include <sys/stat.h>
diff --git a/src/log-writes/log-writes.h b/src/log-writes/log-writes.h
index 75fb8ac0bf79..b9f571ac3b23 100644
--- a/src/log-writes/log-writes.h
+++ b/src/log-writes/log-writes.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #ifndef _LOG_WRITES_H_
 #define _LOG_WRITES_H_
 
diff --git a/src/log-writes/replay-log.c b/src/log-writes/replay-log.c
index 8457937578d5..c16df40e5741 100644
--- a/src/log-writes/replay-log.c
+++ b/src/log-writes/replay-log.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <unistd.h>
 #include <getopt.h>
-- 
2.14.3