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
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@ -45,6 +45,9 @@ Release 2.3.0 - UNRELEASED
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HDFS-4816. transitionToActive blocks if the SBN is doing checkpoint image
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transfer. (Andrew Wang)
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HDFS-5164. deleteSnapshot should check if OperationCategory.WRITE is
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possible before taking write lock. (Colin Patrick McCabe)
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Release 2.1.1-beta - UNRELEASED
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INCOMPATIBLE CHANGES
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@ -6750,6 +6750,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
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return; // Return previous response
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}
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boolean success = false;
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checkOperation(OperationCategory.WRITE);
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writeLock();
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try {
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checkOperation(OperationCategory.WRITE);
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