From ca1f48a7179c86132a630fbdaadafe7f7e832903 Mon Sep 17 00:00:00 2001
From: Muminul Islam <muislam@microsoft.com>
Date: Tue, 24 Mar 2026 17:24:42 -0700
Subject: [PATCH] block: Implement DiskFd trait for RawFileDisk

Add disk_file::DiskFd trait implementation for RawFileDisk.
Delegates to file.as_raw_fd() via BorrowedDiskFd, taking
&self instead of &mut self.

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 477077eff..c08f501c4 100644
--- a/block/src/raw_async.rs
+++ b/block/src/raw_async.rs
@@ -90,6 +90,12 @@ impl disk_file::PhysicalSize for RawFileDisk {
     }
 }
 
+impl disk_file::DiskFd for RawFileDisk {
+    fn fd(&self) -> BorrowedDiskFd<'_> {
+        BorrowedDiskFd::new(self.file.as_raw_fd())
+    }
+}
+
 pub struct RawFileAsync {
     fd: RawFd,
     io_uring: IoUring,