block: Implement Resizable trait for RawFileDiskAio

russell-islam · liuw · commit 62264cb3c730 · 2026-04-02T01:18:30.000Z
Add disk_file::Resizable trait implementation for
RawFileDiskAio. Calls file.set_len(size) and wraps the
I/O error in BlockError on failure.

Signed-off-by: Muminul Islam &lt;muislam@microsoft.com&gt;
diff --git a/block/src/raw_async_aio.rs b/block/src/raw_async_aio.rs
@@ -107,6 +107,14 @@ impl disk_file::SparseCapable for RawFileDiskAio {
     }
 }
 
+impl disk_file::Resizable for RawFileDiskAio {
+    fn resize(&mut self, size: u64) -> BlockResult<()> {
+        self.file
+            .set_len(size)
+            .map_err(|e| BlockError::new(BlockErrorKind::Io, DiskFileError::ResizeError(e)))
+    }
+}
+
 pub struct RawFileAsyncAio {
     fd: RawFd,
     ctx: aio::IoContext,

Original file line number	Diff line number	Diff line change
`@@ -107,6 +107,14 @@ impl disk_file::SparseCapable for RawFileDiskAio {`
`107`	`107`	`}`
`108`	`108`	`}`
`109`	`109`
	`110`	`+impl disk_file::Resizable for RawFileDiskAio {`
	`111`	`+ fn resize(&mut self, size: u64) -> BlockResult<()> {`
	`112`	`+ self.file`
	`113`	`+ .set_len(size)`
	`114`	`+ .map_err(\|e\| BlockError::new(BlockErrorKind::Io, DiskFileError::ResizeError(e)))`
	`115`	`+ }`
	`116`	`+}`
	`117`	`+`
`110`	`118`	`pub struct RawFileAsyncAio {`
`111`	`119`	`fd: RawFd,`
`112`	`120`	`ctx: aio::IoContext,`