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Date: Sat, 26 May 2012 00:12:33 +0100 From: Alasdair G Kergon <agk@...hat.com> To: Kent Overstreet <koverstreet@...gle.com>, linux-kernel@...r.kernel.org, linux-bcache@...r.kernel.org, dm-devel@...hat.com, linux-fsdevel@...r.kernel.org, tj@...nel.org, axboe@...nel.dk, agk@...hat.com, neilb@...e.de, drbd-dev@...ts.linbit.com, bharrosh@...asas.com, vgoyal@...hat.com, mpatocka@...hat.com, sage@...dream.net, yehuda@...newdream.net Subject: Re: [PATCH v3 13/16] Make generic_make_request handle arbitrarily large bios On Fri, May 25, 2012 at 11:58:52PM +0100, Alasdair G Kergon wrote: > I think a body of *empirical* evidence should provide the justification > for this particular change, and until such evidence is forthcoming we > should keep the status quo. What I'm trying to say is, by all means, let's continue to clean up this patch set, but then give it some serious performance testing under different regimes, compare it against the status quo, do whatever tuning seems appropriate then let the results guide us. Alasdair -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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