Completion in FastIO

NTFSD
1

Hi all,

My question is very simple.
Can I call IoSetCompletionRoutine(…) in FastIO call?

Thanks in advance,
Fernando.

2

No, there is no IRP in these calls - except forFastIoQueryOpen.
Fast I/O is completed when the lower driver returns.
I’m not sure how FastIoQueryOpen completes - but I think it uses
normal IRP way.

–
Kind regards, Dejan M. MVP for DDK
http://www.alfasp.com E-mail: xxxxx@alfasp.com
Alfa Transparent File Encryptor - Transparent file encryption services.
Alfa File Protector - File protection and hiding library for Win32
developers.
Alfa File Monitor - File monitoring library for Win32 developers.

3

IRP in FastIoQueryOpen is “parameter store” only - it is fully constructed
IRP for IRP_MJ_CRETE. If the FastIoQueryOpen returns FALSE, the IRP will be
sent to driver by usual way.

Petr Borsodi

No, there is no IRP in these calls - except forFastIoQueryOpen.
Fast I/O is completed when the lower driver returns.
I’m not sure how FastIoQueryOpen completes - but I think it uses
normal IRP way.

–
Kind regards, Dejan M. MVP for DDK
http://www.alfasp.com E-mail: xxxxx@alfasp.com
Alfa Transparent File Encryptor - Transparent file encryption services.
Alfa File Protector - File protection and hiding library for Win32
developers.
Alfa File Monitor - File monitoring library for Win32 developers.