/// <summary>create a directory at path specified by parent</summary>
/// <exception cref="Org.Apache.Hadoop.Hdfs.Protocol.QuotaExceededException"/>
/// <exception cref="Org.Apache.Hadoop.Hdfs.Protocol.AclException"/>
/// <exception cref="Org.Apache.Hadoop.FS.FileAlreadyExistsException"/>
private static INodesInPath UnprotectedMkdir(FSDirectory fsd, long inodeId, INodesInPath
parent, byte[] name, PermissionStatus permission, IList <AclEntry> aclEntries, long
timestamp)
{
System.Diagnostics.Debug.Assert(fsd.HasWriteLock());
System.Diagnostics.Debug.Assert(parent.GetLastINode() != null);
if (!parent.GetLastINode().IsDirectory())
{
throw new FileAlreadyExistsException("Parent path is not a directory: " + parent.
GetPath() + " " + DFSUtil.Bytes2String(name));
}
INodeDirectory dir = new INodeDirectory(inodeId, name, permission, timestamp);
INodesInPath iip = fsd.AddLastINode(parent, dir, true);
if (iip != null && aclEntries != null)
{
AclStorage.UpdateINodeAcl(dir, aclEntries, Org.Apache.Hadoop.Hdfs.Server.Namenode.Snapshot.Snapshot
.CurrentStateId);
}
return(iip);
}