Experimenting with VFS

1 files changed, 16 insertions, 0 deletions

diff --git a/etcfs.c b/etcfs.c
index c88040e..82e7220 100644
--- a/etcfs.c
+++ b/etcfs.c
@@ -1,10 +1,21 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/fs.h>
+#include <linux/fs_context.h>
+
+static struct fs_context_operations etcfs_context_ops = {
+};
+
+static int etcfs_init_fs_context(struct fs_context *fc) {
+	int err;
+	fc->ops = &etcfs_context_ops;
+	return 0;
+}
 
 static struct file_system_type etc_fs_type = {
 	.name = "etcfs",
 	.f_flasgs = FS_USERNS_MOUNT,
+	.init_fs_context = etcfs_init_fs_context,
 };
 
 static int __init etcfs_init(void) {
@@ -17,6 +28,11 @@ static int __init etcfs_init(void) {
 }
 
 static int __exit etcfs_exit(void) {
+	int err;
+	err = unregister_filesystem(etcfs);
+	if (err) {
+		return err;
+	}
 	return 0;
 }