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HDFS-5756. hadoopRzOptionsSetByteBufferPool does not accept NULL argument, contrary to docs. Contributed by Colin Patrick McCabe.

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1557244 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Andrew Wang 2014-01-10 20:10:44 +00:00
parent 8e0ba42df4
commit 7354547a02
3 changed files with 20 additions and 9 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -741,6 +741,9 @@ Release 2.4.0 - UNRELEASED
HDFS-5449. WebHdfs compatibility broken between 2.2 and 1.x / 23.x (kihwal)
HDFS-5756. hadoopRzOptionsSetByteBufferPool does not accept NULL argument,
contrary to docs. (cmccabe via wang)
BREAKDOWN OF HDFS-2832 SUBTASKS AND RELATED JIRAS
HDFS-4985. Add storage type to the protocol and expose it in block report

2
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/hdfs.c
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@ -2174,6 +2174,7 @@ int hadoopRzOptionsSetByteBufferPool(
return -1;
}
if (className) {
// Note: we don't have to call hadoopRzOptionsClearCached in this
// function, since the ByteBufferPool is passed separately from the
// EnumSet of ReadOptions.
@ -2185,6 +2186,7 @@ int hadoopRzOptionsSetByteBufferPool(
errno = EINVAL;
return -1;
}
}
if (opts->byteBufferPool) {
// Delete any previous ByteBufferPool we had.
(*env)->DeleteGlobalRef(env, opts->byteBufferPool);

6
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/test/test_libhdfs_zerocopy.c
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@ -140,6 +140,12 @@ static int doTestZeroCopyReads(hdfsFS fs, const char *fileName)
EXPECT_NULL(hadoopReadZero(file, opts, TEST_ZEROCOPY_FULL_BLOCK_SIZE));
EXPECT_INT_EQ(EPROTONOSUPPORT, errno);
/* Verify that setting a NULL ByteBufferPool class works. */
EXPECT_ZERO(hadoopRzOptionsSetByteBufferPool(opts, NULL));
EXPECT_ZERO(hadoopRzOptionsSetSkipChecksum(opts, 0));
EXPECT_NULL(hadoopReadZero(file, opts, TEST_ZEROCOPY_FULL_BLOCK_SIZE));
EXPECT_INT_EQ(EPROTONOSUPPORT, errno);
/* Now set a ByteBufferPool and try again. It should succeed this time. */
EXPECT_ZERO(hadoopRzOptionsSetByteBufferPool(opts,
ELASTIC_BYTE_BUFFER_POOL_CLASS));