Re: [PATCH 4/4] bidi support: bidirectional request

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On Mon, Apr 30 2007, Mark Lord wrote:
> Jens Axboe wrote:
> >
> >So basically just add a struct request pointer, so you can do rq =
> >rq->next_rq or something for the next data phase. I bet this would be a
> >LOT less invasive as well, and we can get by with a few helpers to
> >support it.
> 
> Hey, I want a way to issue those (linked requests) from userspace (SG_IO), 
> too.
> Specifically for use with the new SMART Command Transport (SCT) feature set
> on modern SATA drives.  As well as for a disk recovery utility I'm working 
> on.
> 
> Sounds generally useful, that.

Yep, one of the reasons why I like (my :-) proposal as well, we could
potentially find other uses for linking commands like that.
> 

-- 
Jens Axboe

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