Date: Mon, 1 Mar 2004 08:18:32 -0800 From: "David O'Brien" <obrien@FreeBSD.org> To: Colin Percival <colin.percival@wadham.ox.ac.uk>, src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/dev/md md.c Message-ID: <20040301161832.GA4687@dragon.nuxi.com> In-Reply-To: <58674.1078153814@critter.freebsd.dk> References: <6.0.1.1.1.20040301150348.0386a6a8@imap.sfu.ca> <58674.1078153814@critter.freebsd.dk>
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On Mon, Mar 01, 2004 at 04:10:14PM +0100, Poul-Henning Kamp wrote: > In message <6.0.1.1.1.20040301150348.0386a6a8@imap.sfu.ca>, Colin Percival writes: > >At 15:02 01/03/2004, Poul-Henning Kamp wrote: > >>In message <6.0.1.1.1.20040301145406.038ede88@imap.sfu.ca>, Colin Percival > >>writes: > >> > Ideally, dd should look at what it's being asked to access, and get > >> >a default block size from that. (Yes, there are much worse offenders, > >> >dd just happened to be the first problem which came to mind.) > >> > >>No, dd(1) should do _exactly_ what we ask it to, with absolutely no DWIM > >>logic. > > > > Note that I said "default block size". I'm not talking about overriding > >command-line options, I'm talking about making "dd if=/dev/foo of=/dev/bar" > >work if the foo or bar devices have >512 byte sectors. (But this is mostly > >irrelevant now anyway.) > > And I'm talking about dd(1) being used for such arcane things that changing > the defaults is an absolute NO! thing :-) Agreed -- we all know that 'bs' defaults to 512. Please don't make it ever use != 512 w/o specifing 'bs'. -- -- David (obrien@FreeBSD.org)
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