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SubjectRe: ll_rw_blk.c fails to merge requests. Help!
On Thu, Aug 24 2000, Linus Torvalds wrote:
> > Heh, but it's not that simple. The requests that are currently on
> > the pending list, are not necessarily added to the same freelist. So
> > we have to scan the pending list, and look at each request individually.
>
> Why not just have a pending list for each free list, no?

Thinking a bit more about it, we really don't need the two lists to
be able to use list_splice. Write batching need only focus on the
write freelist since reads also fall back to stealing requsts from that
list.

New patch coming up.

--
* Jens Axboe <axboe@suse.de>
* SuSE Labs
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