From 6b14d27f305ab4ba7aef6be082d90e14a8983d17 Mon Sep 17 00:00:00 2001
From: Muminul Islam <muislam@microsoft.com>
Date: Tue, 24 Mar 2026 17:36:03 -0700
Subject: [PATCH] block: Implement Resizable trait for RawFileDiskSync

Add disk_file::Resizable trait implementation for
RawFileDiskSync. Calls file.set_len(size) and wraps the
I/O error in BlockError on failure.

Signed-off-by: Muminul Islam <muislam@microsoft.com>
---
 block/src/raw_sync.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/block/src/raw_sync.rs b/block/src/raw_sync.rs
index 5a6a65b36..59d842deb 100644
--- a/block/src/raw_sync.rs
+++ b/block/src/raw_sync.rs
@@ -102,6 +102,14 @@ impl disk_file::SparseCapable for RawFileDiskSync {
     }
 }
 
+impl disk_file::Resizable for RawFileDiskSync {
+    fn resize(&mut self, size: u64) -> BlockResult<()> {
+        self.file
+            .set_len(size)
+            .map_err(|e| BlockError::new(BlockErrorKind::Io, DiskFileError::ResizeError(e)))
+    }
+}
+
 pub struct RawFileSync {
     fd: RawFd,
     eventfd: EventFd,