From owner-freebsd-hackers  Tue Dec  4  5:40: 3 2001
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To: Bernd Walter <ticso@cicely8.cicely.de>
Cc: cjclark@alum.mit.edu, Mark Hannon <markhannon@optushome.com.au>,
	bugs-followup@FreeBSD.ORG, hackers@FreeBSD.ORG
Subject: Re: bin/32261: dump creates a dump file much larger than sum of dumped files 
In-Reply-To: Your message of "Tue, 04 Dec 2001 13:56:26 +0100."
             <20011204135626.A75212@cicely8.cicely.de> 
Date: Tue, 04 Dec 2001 13:39:46 +0000
From: Ian Dowse <iedowse@maths.tcd.ie>
Message-ID:  <200112041339.aa05506@salmon.maths.tcd.ie>
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In message <20011204135626.A75212@cicely8.cicely.de>, Bernd Walter writes:
>> Is there any reason we don't want to truncate the file? Does O_TRUNC
>> not work well of the file is a tape device or something?
>
>I don't expect O_TRUNK to work on devices such tapes and disks.

Well, it won't achieve anything on tapes or disk devices, but it
should be completely harmless to add the O_TRUNC flag. The current
behaviour is likely to be unexpected and cause confusion so it
might as well be changed. I'll commit this later unless someone
can think of a good reason not to.

Ian

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