From 899dec4c0433f98f039c30409efc7036b382c4d4 Mon Sep 17 00:00:00 2001
From: Muminul Islam <muislam@microsoft.com>
Date: Tue, 24 Mar 2026 17:25:05 -0700
Subject: [PATCH] block: Implement SparseCapable trait for RawFileDisk

Add disk_file::SparseCapable trait implementation for
RawFileDisk. 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.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/block/src/raw_async.rs b/block/src/raw_async.rs
index e5ba96de3..86f23b1fa 100644
--- a/block/src/raw_async.rs
+++ b/block/src/raw_async.rs
@@ -105,6 +105,12 @@ impl disk_file::Geometry for RawFileDisk {
     }
 }
 
+impl disk_file::SparseCapable for RawFileDisk {
+    fn supports_sparse_operations(&self) -> bool {
+        probe_sparse_support(&self.file)
+    }
+}
+
 pub struct RawFileAsync {
     fd: RawFd,
     io_uring: IoUring,