block: Implement SparseCapable trait for RawFileDiskAio

russell-islam · liuw · commit b7cf8737acba · 2026-04-02T01:18:30.000Z
Add disk_file::SparseCapable trait implementation for
RawFileDiskAio. Delegates to probe_sparse_support() to
detect whether the underlying file supports hole-punching.

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
@@ -101,6 +101,12 @@ impl disk_file::Geometry for RawFileDiskAio {
     }
 }
 
+impl disk_file::SparseCapable for RawFileDiskAio {
+    fn supports_sparse_operations(&self) -> bool {
+        probe_sparse_support(&self.file)
+    }
+}
+
 pub struct RawFileAsyncAio {
     fd: RawFd,
     ctx: aio::IoContext,

Original file line number	Diff line number	Diff line change
`@@ -101,6 +101,12 @@ impl disk_file::Geometry for RawFileDiskAio {`
`101`	`101`	`}`
`102`	`102`	`}`
`103`	`103`
	`104`	`+impl disk_file::SparseCapable for RawFileDiskAio {`
	`105`	`+ fn supports_sparse_operations(&self) -> bool {`
	`106`	`+ probe_sparse_support(&self.file)`
	`107`	`+ }`
	`108`	`+}`
	`109`	`+`
`104`	`110`	`pub struct RawFileAsyncAio {`
`105`	`111`	`fd: RawFd,`
`106`	`112`	`ctx: aio::IoContext,`