diff --git a/include/linux/fs.h b/include/linux/fs.h
index 1e9ebab..504dcf5 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -762,7 +762,7 @@
 #define SYNC_FILE_RANGE_WRITE		2
 #define SYNC_FILE_RANGE_WAIT_AFTER	4
 extern int do_sync_file_range(struct file *file, loff_t offset, loff_t endbyte,
-			int flags);
+			unsigned int flags);
 
 /* fs/locks.c */
 extern void locks_init_lock(struct file_lock *);