Re: [2.6.6-mm4-ff1] I/O context isolation

[Nick Piggin]

FabF wrote:
> Jens,
>
> 	Here's ff1 patchset to have generic I/O context.
> ff1 : Export io context operations from blkdev/ll_rw_blk (ok)
> ff2 : Make io_context generic plateform by importing IO stuff from
> as_io.

Can I just ask why you want as_io_context in generic code?
It is currently nicely hidden away in as-iosched.c where
nobody else needs to ever see it.

> 	AFAICS, cfq_queue for instance could disappear when using io_context
> but I think elv_data should remain elevator side....
> I don't want to go in the wild here so if you've got suggestions, don't
> hesitate ;)

cfq_queue is per-queue-per-process. io_context is just
per-process, so it isn't a trivial replacement.

Nick
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