From 0b35c9ae1d00f737f61131d9d6764b48212c69cb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=B0=8F=20=E5=B0=8Fw?=
 <116473366+Xiaomichael@users.noreply.github.com>
Date: Tue, 18 Nov 2025 10:26:30 +0800
Subject: [PATCH] fix Implement ksu_wrapper_dedupe_file_range function

Added a new function for deduplicating file ranges.
---
 kernel/file_wrapper.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/file_wrapper.c b/kernel/file_wrapper.c
index 1ed0b40f..6343a3a5 100644
--- a/kernel/file_wrapper.c
+++ b/kernel/file_wrapper.c
@@ -286,6 +286,7 @@ static int ksu_wrapper_clone_file_range(struct file *file_in, loff_t pos_in,
 	}
 	return -EINVAL;
 }
+#endif
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 19, 0)
 static int ksu_wrapper_dedupe_file_range(struct file *src_file, loff_t loff,
 				struct file *dst_file, loff_t dst_loff, u64 len) {
@@ -382,4 +383,4 @@ struct ksu_file_wrapper* ksu_create_file_wrapper(struct file* fp) {
 void ksu_delete_file_wrapper(struct ksu_file_wrapper* data) {
 	fput((struct file*) data->orig);
 	kfree(data);
-}
\ No newline at end of file
+}