From fe39929a2ad751a7985828bbb240c4a9d8b7105e Mon Sep 17 00:00:00 2001
From: Muminul Islam <muislam@microsoft.com>
Date: Tue, 24 Mar 2026 17:35:52 -0700
Subject: [PATCH] block: Implement SparseCapable trait for RawFileDiskSync

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

diff --git a/block/src/raw_sync.rs b/block/src/raw_sync.rs
index c6f30f53e..5a6a65b36 100644
--- a/block/src/raw_sync.rs
+++ b/block/src/raw_sync.rs
@@ -96,6 +96,12 @@ impl disk_file::Geometry for RawFileDiskSync {
     }
 }
 
+impl disk_file::SparseCapable for RawFileDiskSync {
+    fn supports_sparse_operations(&self) -> bool {
+        probe_sparse_support(&self.file)
+    }
+}
+
 pub struct RawFileSync {
     fd: RawFd,
     eventfd: EventFd,