abhishekdas99 commented on a change in pull request #2260:
URL: https://github.com/apache/hadoop/pull/2260#discussion_r644310547
##########
File path:
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/viewfs/InodeTree.java
##########
@@ -284,7 +288,20 @@ boolean isInternalDir() {
return false;
}
- public T getTargetFileSystem() {
+ /**
+ * Gets lazily loaded instance of FileSystem
+ * @return An Initialized instance of T
+ * @throws IOException
+ */
+ public T getTargetFileSystem() throws IOException {
+ if (targetFileSystem != null)
+ return targetFileSystem;
+
+ if (targetDirLinkList.length == 1) {
+ synchronized (this) {
+ targetFileSystem = fileSystemInitFunc.apply(targetDirLinkList[0]);
Review comment:
Added extra check
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