Re: 2.5.69, IDE TCQ can't be enabled

Christer Weinigel (
13 May 2003 00:36:48 +0200

Jens Axboe <> writes:

> I don't think the multiple pending _and_ active is that big a deal, and
> besides _everybody_ uses write back caching on IDE which makes TCQ for
> writes very uninteresting.

Isn't it recommended to turn off write back caching when doing
software raid? It will be hard to guarantee the consistency of the
raid set otherwise. So I think that TCQ can be very interesting for
some loads.


"Just how much can I get away with and still go to heaven?"

Freelance consultant specializing in device driver programming for Linux Christer Weinigel <> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to More majordomo info at Please read the FAQ at