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Message-ID: <20080215153439.GB30504@one.firstfloor.org> Date: Fri, 15 Feb 2008 16:34:39 +0100 From: Andi Kleen <andi@...stfloor.org> To: device-mapper development <dm-devel@...hat.com>, Michael Tokarev <mjt@....msk.ru>, Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org Subject: Re: [dm-devel] Re: [PATCH] Implement barrier support for single device DM devices On Fri, Feb 15, 2008 at 02:12:29PM +0000, Alasdair G Kergon wrote: > On Fri, Feb 15, 2008 at 03:20:10PM +0100, Andi Kleen wrote: > > On Fri, Feb 15, 2008 at 04:07:54PM +0300, Michael Tokarev wrote: > > > I wonder if it's worth the effort to try to implement this. > > My personal view (which seems to be in the minority) is that it's a > waste of our development time *except* in the (rare?) cases similar to At least for my machines it is the standard case; it is not rare. And don't RH distributions install with LVM by default these days? For those it should be the standard case too on all systems with only a single disk. The other relatively simple case I plan to look into (in fact I already wrote something, but it's not postable yet) is dm-crypt on single device. But it's a little more complicated than the simple dm-linear case. -Andi -- 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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