Re: [PATCH] per-backing dev unplugging #2

[William Lee Irwin III]

On Thu, Mar 11, 2004 at 09:36:19AM +0100, Jens Axboe wrote:
> Final version, unless something stupid pops up. Changes:
> - Adapt to 2.6.4-mm1
> - Cleaned up the dm bits, much nicer with the lockless unplugging
>   (thanks Joe)
> - md and loop unplugging, stacked devices should unplug their targets.
>   Otherwise they'll end up waiting for the unplug timer, which sucks.
> - XFS fixed up, I hope. XFS folks still encouraged to look at this,
>   looks better this time around though (and works, I tested).
> - blk_run_* inlined in blkdev.h
> Against 2.6.4-mm1 (note you need other attached patch to boot it).

There was a decent improvement here. I'll get some numbers up after
I rerun (ETA 2 hours) since I blew away the results in reformatting.


-- wli

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