RE: Is there alternative for RtUnicodeStringToAnsiStr ing?

NTFSD
1

I know this is a File Systems list but don’t assume PASSIVE_LEVEL at or
below the disk class driver. Legacy storage drivers, FDISK in particular,
love to call READ/WRITE at dispatch level off a DPC for Iodone()! I know you
can get this situation for W2000 when you upgrade from NT4 and have an
FTDISK volume set. I don’t know if that’s been changed for .NET.

Stephen Ludlum
EMC Cambridge
mailto:xxxxx@emc.com
http://emc.com

-----Original Message-----
From: Tony Mason [mailto:xxxxx@osr.com]
Sent: Monday, May 20, 2002 9:38 AM
To: File Systems Developers
Subject: [ntfsd] RE: Is there alternative for
RtUnicodeStringToAnsiString?

I think you misunderstand something here: a dispatch entry
point is called
at PASSIVE_LEVEL, not Dispatch level. The term “dispatch” is
used in a
number of different places within the operating system and
DISPATCH_LEVEL
comes from its use in thread scheduling/dispatching (context
switching).
Driver operation dispatching is a different use of
dispatching and is not
called at DISPATCH_LEVEL.

So, while the other responses are correct (there is no
equivalent) I believe
that you should be able to use the standard routine - unless
YOU are doing
something to raise the IRQL of the system (e.g., acquiring a
spin lock).

Regards,

Tony

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

Hope to see you at the next OSR file systems class October 7, 2002!

-----Original Message-----
From: T.Umapathy [mailto:xxxxx@yahoo.com]
Sent: Monday, May 20, 2002 12:33 AM
To: File Systems Developers
Subject: [ntfsd] Is there alternative for RtUnicodeStringToAnsiString?

Hi Everybody,
I want to convert unicodestring to Ansistring in Dispatch
Routine. I know
RtUnicodeStringToAnsiString can be used in IRQL Passive. Is there any
alternative function to work with IRQL Dispatch?
Thanx in Advance,
T.Umapathy

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