jojochuang commented on a change in pull request #1670: HDFS-14925. Rename
operation should check nest snapshot
URL: https://github.com/apache/hadoop/pull/1670#discussion_r339287816
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File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/SnapshotManager.java
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@@ -288,6 +292,19 @@ public INodeDirectory getSnapshottableAncestorDir(final
INodesInPath iip)
}
}
+ public boolean isDescendantOfSnapshotRoot(INodeDirectory dir) {
+ if (dir.isSnapshottable()) {
+ return true;
+ } else {
+ for (INodeDirectory p = dir; p != null; p = p.getParent()) {
Review comment:
use INode#isAncestorDirectory() instead?
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