New stat stuff (was [PATCH] improve performance of stat() ope rations (e.g. ls -lR ))

[Don Bowman]

For interests sake, here are the file operations done with no
special options (neither environment nor mount) for a ls -l on
a file:

IRP_MJ_CREATE	file SUCCESS		Attributes: Any Options: Open 	
FASTIO_QUERY_BASIC_INFO	file SUCCESS		Attributes: A	
IRP_MJ_CLEANUP	file SUCCESS		
IRP_MJ_CLOSE 	file SUCCESS		
IRP_MJ_CREATE	file SUCCESS		Attributes: RN Options: Open 	
IRP_MJ_QUERY_VOLUME_INFORMATION	file SUCCESS
FileFsVolumeInformation	
IRP_MJ_QUERY_INFORMATION	file BUFFER OVERFLOW	FileAllInformation
IRP_MJ_CLEANUP	file SUCCESS		
IRP_MJ_CLOSE 	file SUCCESS		
IRP_MJ_CREATE	file SUCCESS		Attributes: Any Options: Open 	
FASTIO_QUERY_BASIC_INFO		file SUCCESS		Attributes: A	
IRP_MJ_CLEANUP	file SUCCESS		
IRP_MJ_CLOSE 	file SUCCESS		
IRP_MJ_CREATE	file SUCCESS		Attributes: Any Options: Open 	
IRP_MJ_QUERY_SECURITY		file SUCCESS		
IRP_MJ_CLEANUP	file SUCCESS		
IRP_MJ_CLOSE 	file SUCCESS