From aa5aa6fe89fe38597c85084c4529ce5c6d6b782c Mon Sep 17 00:00:00 2001
From: Muminul Islam <muislam@microsoft.com>
Date: Tue, 24 Mar 2026 17:35:39 -0700
Subject: [PATCH] block: Implement Geometry trait for RawFileDiskSync

Add disk_file::Geometry trait implementation for
RawFileDiskSync. Probes disk topology from the file,
falling back to defaults on failure. Takes &self instead
of &mut self and uses unwrap_or_else for cleaner error
handling.

Signed-off-by: Muminul Islam <muislam@microsoft.com>
---
 block/src/raw_sync.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/block/src/raw_sync.rs b/block/src/raw_sync.rs
index 46488ff79..c6f30f53e 100644
--- a/block/src/raw_sync.rs
+++ b/block/src/raw_sync.rs
@@ -87,6 +87,15 @@ impl disk_file::DiskFd for RawFileDiskSync {
     }
 }
 
+impl disk_file::Geometry for RawFileDiskSync {
+    fn topology(&self) -> DiskTopology {
+        DiskTopology::probe(&self.file).unwrap_or_else(|_| {
+            warn!("Unable to get device topology. Using default topology");
+            DiskTopology::default()
+        })
+    }
+}
+
 pub struct RawFileSync {
     fd: RawFd,
     eventfd: EventFd,