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HDFS-5164. DeleteSnapshot should check if OperationCategory.WRITE is possible before taking write lock (contributed by Colin Patrick McCabe) 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1520494 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Colin McCabe 2013-09-06 05:27:59 +00:00
parent 4c66560499
commit 461587e36a
2 changed files with 4 additions and 0 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -45,6 +45,9 @@ Release 2.3.0 - UNRELEASED
HDFS-4816. transitionToActive blocks if the SBN is doing checkpoint image HDFS-4816. transitionToActive blocks if the SBN is doing checkpoint image
transfer. (Andrew Wang) transfer. (Andrew Wang)
HDFS-5164. deleteSnapshot should check if OperationCategory.WRITE is
possible before taking write lock. (Colin Patrick McCabe)
Release 2.1.1-beta - UNRELEASED Release 2.1.1-beta - UNRELEASED
INCOMPATIBLE CHANGES INCOMPATIBLE CHANGES

1
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
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@ -6750,6 +6750,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
return; // Return previous response return; // Return previous response
} }
boolean success = false; boolean success = false;
checkOperation(OperationCategory.WRITE);
writeLock(); writeLock();
try { try {
checkOperation(OperationCategory.WRITE); checkOperation(OperationCategory.WRITE);