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HDFS-5789. Some of snapshot APIs missing checkOperation double check in fsn. Contributed by Uma Maheswara Rao G. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1560731 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Uma Maheswara Rao G 2014-01-23 16:35:05 +00:00
parent 482993ac53
commit 824dcdbd42
2 changed files with 6 additions and 0 deletions
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2
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -1126,6 +1126,8 @@ Release 2.3.0 - UNRELEASED
HDFS-5649. Unregister NFS and Mount service when NFS gateway is shutting down.
(brandonli)
HDFS-5789. Some of snapshot APIs missing checkOperation double check in fsn. (umamahesh)
Release 2.2.0 - 2013-10-13
INCOMPATIBLE CHANGES

4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
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@ -6794,6 +6794,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
/** Allow snapshot on a directroy. */
void allowSnapshot(String path) throws SafeModeException, IOException {
checkOperation(OperationCategory.WRITE);
writeLock();
try {
checkOperation(OperationCategory.WRITE);
@ -6819,6 +6820,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
/** Disallow snapshot on a directory. */
void disallowSnapshot(String path) throws SafeModeException, IOException {
checkOperation(OperationCategory.WRITE);
writeLock();
try {
checkOperation(OperationCategory.WRITE);
@ -6942,6 +6944,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
public SnapshottableDirectoryStatus[] getSnapshottableDirListing()
throws IOException {
SnapshottableDirectoryStatus[] status = null;
checkOperation(OperationCategory.READ);
final FSPermissionChecker checker = getPermissionChecker();
readLock();
try {
@ -6975,6 +6978,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
SnapshotDiffReport getSnapshotDiffReport(String path,
String fromSnapshot, String toSnapshot) throws IOException {
SnapshotDiffInfo diffs = null;
checkOperation(OperationCategory.READ);
final FSPermissionChecker pc = getPermissionChecker();
readLock();
try {