Merge pull request #769 from changweige/print-prefetch-error

storage: print explicit error message
dragonflyoss · Sep 30, 2022 · 59e1d2c · 59e1d2c
2 parents ac2b724 + e1a0458
commit 59e1d2c
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/storage/src/device.rs b/storage/src/device.rs
@@ -975,9 +975,12 @@ impl BlobDevice {
 
         for io_vec in io_vecs.iter() {
             if let Some(blob) = self.get_blob_by_iovec(io_vec) {
+                // Prefetch errors are ignored.
                 let _ = blob
                     .prefetch(blob.clone(), &[], &io_vec.bi_vec)
-                    .map_err(|_e| eio!("failed to prefetch blob data"));
+                    .map_err(|e| {
+                        error!("failed to prefetch blob data, {}", e);
+                    });
             }
         }