Re: [rfc][patch 1/3] block: non-atomic queue_flags prep

Jens Axboe
2007-12-18T07:49:01Z

On Sat, Dec 15 2007, Nick Piggin wrote:
> Hi,
>
> This is just an idea I had, which might make request processing a little
> bit cheaper depending on queue behaviour. For example if it is getting plugged
> unplugged frequently (as I think is the case for some database workloads),
> then we might save one or two atomic operations per request.
>
> Anyway, I'm not completely sure if I have ensured all queue_flags users are
> safe (I think md may need a bit of help). But overall it seems quite doable.

Looks ok to me, I'll throw it into the testing mix. Thanks Nick!

--
Jens Axboe