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Re: [Bug-tar] spurious warning in short_read

From: Samuel Thibault
Subject: Re: [Bug-tar] spurious warning in short_read
Date: Fri, 22 May 2009 19:06:52 +0200
User-agent: Mutt/1.5.12-2006-07-14

Mads Kiilerich, le Fri 22 May 2009 18:26:49 +0200, a écrit :
> It has been discussed before, for example at 
> http://www.nabble.com/tar:-Record-size-%3D-8-blocks-td22265061.html and 
> http://www.nabble.com/record-size-%3D-x-blocks--td22477515.html

Ok, thanks.

> The current behaviour was introduced because it sometimes provides 
> useful information on tape / block devices. FWIW I still don't see how 
> any kind of semantics in read chunk sizes can ever be reliable anywhere.

AIUI, it's not about semantic, but behavior.  If a device repeatedly
makes short reads, that can be a sign of buggy device/driver.

Now, while solutions are being found, count -B -b 1 at least be added to
tests/comprec.at's tar xfv?


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