feat: 更新版本至0.4.3，并修改confirm_write_all方法的可变性

Author: ZR233

Cargo.toml

@@ -7,7 +7,7 @@ keywords = ["os", "dma"]
 license = "MIT"
 name = "dma-api"
 repository = "https://github.com/drivercraft/dma-api"
-version = "0.4.2"
+version = "0.4.3"
 
 [features]
 alloc = []

src/dma/alloc/vec.rs

@@ -88,7 +88,7 @@ impl<T> DVec<T> {
         unsafe { core::slice::from_raw_parts_mut(self.inner.addr.as_ptr(), self.len()) }
     }
 
-    pub fn confirm_write_all(&mut self) {
+    pub fn confirm_write_all(&self) {
         self.inner.confirm_write_all();
     }
 }