1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_buildtag.c b/drivers/block/drbd/drbd_buildtag.c
new file mode 100644
index 000000000000..cb1aa66d7d5d
--- /dev/null
+++ b/drivers/block/drbd/drbd_buildtag.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <linux/drbd_config.h>
+#include <linux/module.h>
+
+const char *drbd_buildtag(void)
+{
+	/* DRBD built from external sources has here a reference to the
+	 * git hash of the source code.
+	 */
+
+	static char buildtag[38] = "\0uilt-in";
+
+	if (buildtag[0] == 0) {
+#ifdef MODULE
+		sprintf(buildtag, "srcversion: %-24s", THIS_MODULE->srcversion);
+#else
+		buildtag[0] = 'b';
+#endif
+	}
+
+	return buildtag;
+}