public FSDataInputStream open(Path f, int bufferSize) throws IOException {
Span span = Trace.start("open");
try {
return new TraceFSDataInputStream(impl.open(f, bufferSize));
} finally {
span.stop();
}
}
@Override
public FSDataOutputStream create(Path f, FsPermission permission, boolean overwrite, int bufferSize, short replication, long blockSize, Progressable progress)