Reworking fdwrapper

Co-authored-by: 5ec1cff <ewtqyqyewtqyqy@gmail.com>
Co-authored-by: 5ec1cff <56485584+5ec1cff@users.noreply.github.com>
Co-authored-by: Ylarod <me@ylarod.cn>

kernel/file_wrapper.h

@@ -0,0 +1,18 @@
+#ifndef KSU_FILE_WRAPPER_H
+#define KSU_FILE_WRAPPER_H
+
+#include <linux/file.h>
+#include <linux/fs.h>
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 15, 0)
+typedef unsigned int __poll_t;
+#endif
+
+struct ksu_file_wrapper {
+	struct file* orig;
+	struct file_operations ops;
+};
+
+struct ksu_file_wrapper* ksu_create_file_wrapper(struct file* fp);
+void ksu_delete_file_wrapper(struct ksu_file_wrapper* data);
+#endif // KSU_FILE_WRAPPER_H