Re: [GIT PULL] Ext3 latency fixes

Mark Lord
2009-04-05T17:15:14Z

Linus Torvalds wrote:
>
> Non-rotational media would tend to want the unplugging, but the block
> layer already does that (ie in __make_request() we already do:
>
> if (unplug || blk_queue_nonrot(q))
> __generic_unplug_device(q);
>
> so non-rotational devices get unplugged whether the request was a
> unplugging request or not).
..

Mmm.. except that Jeff's SSD doesn't appear to identify itself
as a non-rotating media. I suppose there's a way to "quirk" that
somewhere, though.

:/