diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirAttrOp.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirAttrOp.java index 6c2506b16e2..c9663dcbefb 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirAttrOp.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirAttrOp.java @@ -488,17 +488,13 @@ static boolean unprotectedSetTimes( inode = inode.setModificationTime(mtime, latest); status = true; } - if (atime != -1) { - long inodeTime = inode.getAccessTime(); - // if the last access time update was within the last precision interval, then - // no need to store access time - if (atime <= inodeTime + fsd.getAccessTimePrecision() && !force) { - status = false; - } else { - inode.setAccessTime(atime, latest); - status = true; - } + // if the last access time update was within the last precision interval, + // then no need to store access time + if (atime != -1 && (status || force + || atime > inode.getAccessTime() + fsd.getAccessTimePrecision())) { + inode.setAccessTime(atime, latest); + status = true; } return status; } diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSDirAttrOp.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSDirAttrOp.java new file mode 100644 index 00000000000..c75e8ec7b7c --- /dev/null +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSDirAttrOp.java @@ -0,0 +1,80 @@ +/** + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.hadoop.hdfs.server.namenode; + +import org.apache.commons.logging.Log; +import org.apache.commons.logging.LogFactory; +import org.apache.hadoop.fs.UnresolvedLinkException; +import org.apache.hadoop.hdfs.protocol.QuotaExceededException; +import org.junit.Test; +import org.mockito.Mockito; + +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; +import static org.mockito.Matchers.anyBoolean; +import static org.mockito.Matchers.anyString; +import static org.mockito.Mockito.when; + +/** + * Test {@link FSDirAttrOp}. + */ +public class TestFSDirAttrOp { + public static final Log LOG = LogFactory.getLog(TestFSDirAttrOp.class); + + private boolean unprotectedSetTimes(long atime, long atime0, long precision, + long mtime, boolean force) throws QuotaExceededException, UnresolvedLinkException { + FSDirectory fsd = Mockito.mock(FSDirectory.class); + INodesInPath iip = Mockito.mock(INodesInPath.class); + INode inode = Mockito.mock(INode.class); + + when(fsd.getAccessTimePrecision()).thenReturn(precision); + when(fsd.hasWriteLock()).thenReturn(Boolean.TRUE); + when(fsd.getINodesInPath(anyString(), anyBoolean())).thenReturn(iip); + when(iip.getLastINode()).thenReturn(inode); + when(iip.getLatestSnapshotId()).thenReturn(Mockito.anyInt()); + when(inode.getAccessTime()).thenReturn(atime0); + + return FSDirAttrOp.unprotectedSetTimes(fsd, "", mtime, atime, force); + } + + @Test + public void testUnprotectedSetTimes() throws Exception { + // atime < access time + precision + assertFalse("SetTimes should not update access time" + + "because it's within the last precision interval", + unprotectedSetTimes(100, 0, 1000, -1, false)); + + // atime = access time + precision + assertFalse("SetTimes should not update access time" + + "because it's within the last precision interval", + unprotectedSetTimes(1000, 0, 1000, -1, false)); + + // atime > access time + precision + assertTrue("SetTimes should store access time", + unprotectedSetTimes(1011, 10, 1000, -1, false)); + + // atime < access time + precision, but force is set + assertTrue("SetTimes should store access time", + unprotectedSetTimes(100, 0, 1000, -1, true)); + + // atime < access time + precision, but mtime is set + assertTrue("SetTimes should store access time", + unprotectedSetTimes(100, 0, 1000, 1, false)); + } +}