From b7cf8737acbaeed0cb80129d468a4a0e773d2785 Mon Sep 17 00:00:00 2001
From: Muminul Islam <muislam@microsoft.com>
Date: Fri, 27 Mar 2026 23:49:15 -0700
Subject: [PATCH] block: Implement SparseCapable trait for RawFileDiskAio

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 <muislam@microsoft.com>
---
 block/src/raw_async_aio.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/block/src/raw_async_aio.rs b/block/src/raw_async_aio.rs
index 6c1fe0aad..b12469312 100644
--- 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,