Re: 2.5.69, IDE TCQ can't be enabled

From: Christer Weinigel (christer@weinigel.se)
Date: Mon May 12 2003 - 17:36:48 EST

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Jens Axboe <axboe@suse.de> 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.

/Christer

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

Freelance consultant specializing in device driver programming for Linux Christer Weinigel <christer@weinigel.se> http://www.weinigel.se - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

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