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HDFS-4395. In INodeDirectorySnapshottable's constructor, the passed-in dir could be an INodeDirectoryWithSnapshot. Contributed by Jing Zhao 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-2802@1432838 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Tsz-wo Sze 2013-01-14 08:40:13 +00:00
parent 90d6d55a4b
commit 686e13db2f
2 changed files with 5 additions and 1 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-2802.txt
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@ -104,3 +104,6 @@ Branch-2802 Snapshot (Unreleased)
HDFS-4098. Add FileWithLink, INodeFileUnderConstructionWithLink and
INodeFileUnderConstructionSnapshot in order to support append to snapshotted
files. (szetszwo)
HDFS-4395. In INodeDirectorySnapshottable's constructor, the passed-in dir
could be an INodeDirectoryWithSnapshot. (Jing Zhao via szetszwo)

3
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/INodeDirectorySnapshottable.java
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@ -76,7 +76,8 @@ public class INodeDirectorySnapshottable extends INodeDirectoryWithSnapshot {
private int snapshotQuota = SNAPSHOT_LIMIT;
public INodeDirectorySnapshottable(INodeDirectory dir) {
super(dir, true, null);
super(dir, true, dir instanceof INodeDirectoryWithSnapshot ?
((INodeDirectoryWithSnapshot) dir).getSnapshotDiffs() : null);
}
/** @return the number of existing snapshots. */