List only objects that need healing (#2546)

cmd/xl-v1-healing.go

@@ -134,7 +134,7 @@ func xlLatestMetadata(partsMetadata []xlMetaV1, errs []error) (latestMeta xlMeta
 func xlShouldHeal(partsMetadata []xlMetaV1, errs []error) bool {
 	modTime := commonTime(listObjectModtimes(partsMetadata, errs))
 	for index := range partsMetadata {
-		if errs[index] == errFileNotFound {
+		if errs[index] == errDiskNotFound {
 			return true
 		}
 		if errs[index] != nil {

cmd/xl-v1-list-objects-heal.go

@@ -137,6 +137,10 @@ func (xl xlObjects) listObjectsHeal(bucket, prefix, marker, delimiter string, ma
 			result.Prefixes = append(result.Prefixes, objInfo.Name)
 			continue
 		}
+		// Check if the current object needs healing
+		nsMutex.RLock(bucket, objInfo.Name)
+		partsMetadata, errs := readAllXLMetadata(xl.storageDisks, bucket, objInfo.Name)
+		if xlShouldHeal(partsMetadata, errs) {
 			result.Objects = append(result.Objects, ObjectInfo{
 				Name:    objInfo.Name,
 				ModTime: objInfo.ModTime,
@@ -144,6 +148,8 @@ func (xl xlObjects) listObjectsHeal(bucket, prefix, marker, delimiter string, ma
 				IsDir:   false,
 			})
 		}
+		nsMutex.RUnlock(bucket, objInfo.Name)
+	}
 	return result, nil
 }