Refactor

src/fs.rs

@@ -79,9 +79,9 @@ impl Read for Disk {
             return Ok(0);
         }
         let size = usize::min(buf.len(), (self.size - self.pos) as usize);
-        for i in 0..size {
+        (0..size).for_each(|i| {
             buf[i] = unsafe { *DISK_ADDR.byte_add(i + self.pos as usize) };
-        }
+        });
         self.pos += size as u64;
         Ok(size)
     }