Re: IOStorage filters in 10.6

Subject: Re: IOStorage filters in 10.6

From: Michael Smith <email@hidden>

Date: Thu, 5 Nov 2009 11:12:57 -0800

Delivered-to: email@hidden

Tony,

The IOStorageFamily team does a very meticulous job when it comes to situations like this; whilst I don't want to just automatically point the finger I'd be very surprised if you weren't able to do at least one of the following:

- use the 10.5 method in the 10.6 environment

- use the method that you're seeing as required in 10.6 in the 10.5 environment (and Dan's response overlapping mine indicates this is the case)

- use a kext built for 10.5 on a 10.6 system with no recompilation (obviously this only covers your 32-bit needs)

On the subject of getting a quick answer - DTS is where you should always go if you have a pressing business need for a speedy response.

= Mike

On Nov 5, 2009, at 1:59 AM, Tony Wong wrote:

No.  Our product does not support 10.6 yet but we are in the process
of porting the driver to 64 bit 10.6.   We actually thought it would work in
32 bit snow leopard but it does not seem possible.

Our driver does not use any 64 bit data types and we thought a simple
recompilation would suffice but NO, thanks to the new interface.

We have not tried the upgrade from 10.5 to 10.6 with the old 10.5 drivers
because our primary interest is 64 bit 10.6 and we know the 32 bit driver will
not work. I would like to get quick answer from you folks so we can
save some time.

Thanks.

Tony Wong

Subject: Re: IOStorage filters in 10.6
From: email@hidden
Date: Thu, 5 Nov 2009 01:16:56 -0800
CC: email@hidden
To: email@hidden

Tony,

Have you tried it yet?

= Mike

On Nov 5, 2009, at 12:46 AM, Tony Wong wrote:

I just found out that the read/write interface for the IOStorage class is
not compatible in 10.6. There is a new attr argument and the completion
object is not passed as a pointer.

It is trivial to port it BUT

if the customer upgrades from 10.5 to 10.6 and they have some IO filter
drivers, are they going to have major problem??

How would they know which driver they have to upgrade?

Please share your ideas.

Tony Wong

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Follow-Ups:

RE: IOStorage filters in 10.6
- From: Tony Wong <email@hidden>

References:

>IOStorage filters in 10.6 (From: Tony Wong <email@hidden>)

>RE: IOStorage filters in 10.6 (From: Tony Wong <email@hidden>)