[ros-dev] Integration of ultracopier to reactOS

[Wesley Parish]

Quoting Love Nystrom <love.nystrom at gmail.com>:

> Wesley Parish wrote:
> > Isn't the NT code base supposed to have multi-queued IO? to stop such
> 
> > problems? At least that was the NT-zealots' boast during the
> NT-vs-OS/2 days 
> > 
> I'd say it's one thing what the system has ability to do do, and another
> 
> thing
> entirely what Explorer does with it. Not knowing it's source, I can only
> say
> "by the fruit shall the tree be known".

I'll have to re-read the ReactOS source.  I've been doing a bit of thinking
since last night, and I think I know where to begin.

> > Shouldn't the routine to copy hold another IO queue in hand "just in
> case", 
> > and hand the copying over to it as soon as it hits such a snag?
> Precisely. A fault list or whatever you want to call it.
> This could then be post-processed at the option of the user.

Indeed.  That would be very handy.

> 
> > Mind you, I could think of additional uses for a multi-queued IO -
> having a 
> > anti-malware program kibitzing on the copying, and stalling anything
> that's 
> > questionable, while handing the copying over to Yet Another Copying IO
> Queue.
> > 
> Bear in mind that there's an inherent danger in exposing the shell's 
> file copying mechanism.
> While it may seem a convenient way to tie in a malware scanner, it could
> 
> be used to conveniently
> inject a payload in every file the shell copies if a "plug-in" gets 
> write access to the file data.
> Because of this risk any "plug-in" would have to be handed just a copy 
> of the data, which would
> lead to terrible inefficiency due to all that redundant data copying.

The MS Windows Vista DRM vistabetion.  After Longhorn, we had vistabeting. :) 
Little wonder Vista lost IO and went blind!

Little wonder Microsoft stopped giving such names.

I stand corrected. :)

Wesley Parish
> 
> Rock on // Love
> 
> 
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