Date: Mon, 01 Mar 2004 16:10:14 +0100 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Colin Percival <colin.percival@wadham.ox.ac.uk> Cc: Bruce Evans <bde@zeta.org.au> Subject: Re: cvs commit: src/sys/dev/md md.c Message-ID: <58674.1078153814@critter.freebsd.dk> In-Reply-To: Your message of "Mon, 01 Mar 2004 15:06:05 GMT." <6.0.1.1.1.20040301150348.0386a6a8@imap.sfu.ca>
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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 :-) -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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