diff --git a/block/src/raw_async.rs b/block/src/raw_async.rs
index 3a890d716..152e5fa3b 100644
--- a/block/src/raw_async.rs
+++ b/block/src/raw_async.rs
@@ -42,9 +42,8 @@ impl DiskFile for RawFileDisk {
     fn new_async_io(&self, ring_depth: u32) -> DiskFileResult<Box<dyn AsyncIo>> {
         let mut raw = RawFileAsync::new(self.file.as_raw_fd(), ring_depth)
             .map_err(DiskFileError::NewAsyncIo)?;
-        raw.alignment = DiskTopology::probe(&self.file)
-            .map(|t| t.logical_block_size)
-            .unwrap_or(SECTOR_SIZE);
+        raw.alignment =
+            DiskTopology::probe(&self.file).map_or(SECTOR_SIZE, |t| t.logical_block_size);
         Ok(Box::new(raw) as Box<dyn AsyncIo>)
     }
 
diff --git a/block/src/raw_async_aio.rs b/block/src/raw_async_aio.rs
index 7266a3633..fe7196ebb 100644
--- a/block/src/raw_async_aio.rs
+++ b/block/src/raw_async_aio.rs
@@ -45,9 +45,8 @@ impl DiskFile for RawFileDiskAio {
     fn new_async_io(&self, ring_depth: u32) -> DiskFileResult<Box<dyn AsyncIo>> {
         let mut raw = RawFileAsyncAio::new(self.file.as_raw_fd(), ring_depth)
             .map_err(DiskFileError::NewAsyncIo)?;
-        raw.alignment = DiskTopology::probe(&self.file)
-            .map(|t| t.logical_block_size)
-            .unwrap_or(SECTOR_SIZE);
+        raw.alignment =
+            DiskTopology::probe(&self.file).map_or(SECTOR_SIZE, |t| t.logical_block_size);
         Ok(Box::new(raw) as Box<dyn AsyncIo>)
     }
 
diff --git a/block/src/raw_sync.rs b/block/src/raw_sync.rs
index 9c96863b6..9c2d6b789 100644
--- a/block/src/raw_sync.rs
+++ b/block/src/raw_sync.rs
@@ -41,9 +41,8 @@ impl DiskFile for RawFileDiskSync {
 
     fn new_async_io(&self, _ring_depth: u32) -> DiskFileResult<Box<dyn AsyncIo>> {
         let mut raw = RawFileSync::new(self.file.as_raw_fd());
-        raw.alignment = DiskTopology::probe(&self.file)
-            .map(|t| t.logical_block_size)
-            .unwrap_or(SECTOR_SIZE);
+        raw.alignment =
+            DiskTopology::probe(&self.file).map_or(SECTOR_SIZE, |t| t.logical_block_size);
         Ok(Box::new(raw) as Box<dyn AsyncIo>)
     }