Ang: Re: [Stgt-devel] Re: [Iscsitarget-devel] stgt a new version of iscsi target?

Mike Christie michaelc at
Thu Dec 8 21:09:32 CET 2005

James Bottomley wrote:
> On Thu, 2005-12-08 at 13:10 -0600, Mike Christie wrote:
>>cleanup. In the end some of the scsi people liked the idea of throwing 
>>the non-read/write command to userspace and to do this we just decided 
>>to start over but I have been cutting and pasting your code and cleaning 
>>it up as I add more stuff.
> To be honest, I'd like to see all command processing at user level
> (including read/write ... for block devices, it shouldn't be that
> inefficient, since you're merely going to say remap an area from one
> device to another; as long as no data transformation ever occurs, the
> user never touches the data and it all remains in the kernel page
> cache).

Ok, Tomo and I briefly talked about this when we saw Jeff's post about 
doing block layer drivers in userspace on lkml. I think we were somewhat 
prepared for this given some of your other replies.

So Vlad and other target guys what do you think? Vlad are you going to 
continue to maintain scst as kernel only, or is there some place we can 
work together on this on - if your feelings are not hurt too much that 
is :) ?

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