DFSTestUtil.createFile(dfs, pathConcatFiles[1], length, replication, seed);
dfs.concat(pathConcatTarget, pathConcatFiles, false);
// OP_HARDLINK 25
Path hardLinkDstFile = new Path("/file_hardlink_target");
dfs.hardLink(pathConcatTarget, hardLinkDstFile);
// sync to disk, otherwise we parse partial edits
cluster.getNameNode().getFSImage().getEditLog().logSync();
dfs.close();
}