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HDFS-7831. Fix the starting index and end condition of the loop in FileDiffList.findEarlierSnapshotBlocks(). Contributed by Konstantin Shvachko. 

(cherry picked from commit 73bcfa99af)
This commit is contained in:
Jing Zhao 2015-02-24 10:31:32 -08:00
parent 280dda5bcd
commit 8346427929
2 changed files with 4 additions and 1 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -717,6 +717,9 @@ Release 2.7.0 - UNRELEASED
HDFS-7008. xlator should be closed upon exit from DFSAdmin#genericRefresh(). HDFS-7008. xlator should be closed upon exit from DFSAdmin#genericRefresh().
(ozawa) (ozawa)
HDFS-7831. Fix the starting index and end condition of the loop in
FileDiffList.findEarlierSnapshotBlocks(). (Konstantin Shvachko via jing9)
BREAKDOWN OF HDFS-7584 SUBTASKS AND RELATED JIRAS BREAKDOWN OF HDFS-7584 SUBTASKS AND RELATED JIRAS
HDFS-7720. Quota by Storage Type API, tools and ClientNameNode HDFS-7720. Quota by Storage Type API, tools and ClientNameNode

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/FileDiffList.java
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@ -63,7 +63,7 @@ public class FileDiffList extends
List<FileDiff> diffs = this.asList(); List<FileDiff> diffs = this.asList();
int i = Collections.binarySearch(diffs, snapshotId); int i = Collections.binarySearch(diffs, snapshotId);
BlockInfoContiguous[] blocks = null; BlockInfoContiguous[] blocks = null;
for(i = i >= 0 ? i : -i; i < diffs.size(); i--) { for(i = i >= 0 ? i : -i-2; i >= 0; i--) {
blocks = diffs.get(i).getBlocks(); blocks = diffs.get(i).getBlocks();
if(blocks != null) { if(blocks != null) {
break; break;