Re: Anatomy Of Options value in IRP_MAJOR_CREATE's IO _STACK_LOCATION

Thanks tony… This is exactly what I was looking for.

-----Original Message-----
From: Tony Mason [mailto:xxxxx@osr.com]
Sent: Monday, December 02, 2002 6:42 PM
To: File Systems Developers
Subject: [ntfsd] Re: Anatomy Of Options value in IRP_MAJOR_CREATE’s IO
_STACK_LOCATION

The low 24 bits are the options. Look in NTIFS.H for FILE_DIRECTORY_FILE -
those are the 24 bits. Note that these are bit definitions.

The upper 8 bits are the disposition. Look for FILE_OPEN in ntifs.h, as
this describes the values of the upper 8 bits. Note that these are discreet
values.

Regards,

Tony

Tony Mason
Consulting Partner
OSR Open Systems Resources, Inc.
http://www.osr.com

-----Original Message-----
From: Naveen [mailto:xxxxx@criticalsites.com]
Sent: Monday, December 02, 2002 2:26 PM
To: File Systems Developers
Subject: [ntfsd] Re: Anatomy Of Options value in IRP_MAJOR_CREATE’s
IO_STACK_LOCATION

Thanks for your reponse Dave. the information I was looking for is… how
is the Options parameter value laid out.

<<<io_stack_location->Parameters->Create.Options>>>>

What is the strcuture of this parameter for file create operation? If I
have to do bit wise access, how does it look like?

Please forgive my little knowledge in this. I am just starting out on FSD.

Thanks.
Naveen


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