module-playground: Add debugfs entry in mod-simple
Add a debugfs file in mod-simple for manual tests: insert the module and
open the file to have its refcount increased.
Signed-off-by: Lucas De Marchi <[email protected]>
diff --git a/testsuite/module-playground/mod-simple.c b/testsuite/module-playground/mod-simple.c
index cb38580..503e4d8 100644
--- a/testsuite/module-playground/mod-simple.c
+++ b/testsuite/module-playground/mod-simple.c
@@ -1,16 +1,32 @@
+#include <linux/debugfs.h>
#include <linux/init.h>
#include <linux/module.h>
+static struct dentry *debugfs_dir;
+
+static int test_show(struct seq_file *s, void *data)
+{
+ seq_puts(s, "test");
+ return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(test);
+
static int __init test_module_init(void)
{
+ debugfs_dir = debugfs_create_dir(KBUILD_MODNAME, NULL);
+ debugfs_create_file("test", 0444, debugfs_dir, NULL, &test_fops);
+
return 0;
}
static void test_module_exit(void)
{
+ debugfs_remove_recursive(debugfs_dir);
}
+
module_init(test_module_init);
module_exit(test_module_exit);
MODULE_AUTHOR("Lucas De Marchi <[email protected]>");
-MODULE_LICENSE("LGPL");
+MODULE_LICENSE("GPL");
