From dfa9a25fd8a32469122b27958907c57162dae5ea Mon Sep 17 00:00:00 2001
From: Anatol Belski <anbelski@linux.microsoft.com>
Date: Tue, 24 Mar 2026 09:33:16 +0100
Subject: [PATCH] block: vhd: impl DiskFd for FixedVhdDiskSync

Delegate to FixedVhd::as_raw_fd() for the backing file descriptor.

Signed-off-by: Anatol Belski <anbelski@linux.microsoft.com>
---
 block/src/fixed_vhd_sync.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/block/src/fixed_vhd_sync.rs b/block/src/fixed_vhd_sync.rs
index 15624eada..778ab1653 100644
--- a/block/src/fixed_vhd_sync.rs
+++ b/block/src/fixed_vhd_sync.rs
@@ -70,6 +70,12 @@ impl disk_file::PhysicalSize for FixedVhdDiskSync {
     }
 }
 
+impl disk_file::DiskFd for FixedVhdDiskSync {
+    fn fd(&self) -> BorrowedDiskFd<'_> {
+        BorrowedDiskFd::new(self.0.as_raw_fd())
+    }
+}
+
 pub struct FixedVhdSync {
     raw_file_sync: RawFileSync,
     size: u64,