Date: Mon, 21 Mar 2005 10:06:31 +0100 From: des@des.no (=?iso-8859-1?q?Dag-Erling_Sm=F8rgrav?=) To: Matthias Buelow <mkb@incubus.de> Cc: freebsd-stable@freebsd.org Subject: Re: bdes (and other) problems on 5.3 fixit cd Message-ID: <86eke99xm0.fsf@xps.des.no> In-Reply-To: <200503210217.j2L2H4C5005161@drjekyll.mkbuelow.net> References: <200503210217.j2L2H4C5005161@drjekyll.mkbuelow.net>
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Matthias Buelow <mkb@incubus.de> writes: > Instead of trying to write the rest, the author decided to just print > a warning and that was it. That's bad. Short writes are perfectly valid, bdes should learn to handle them properly. > Amazingly, the message doesn't get printed in a "bdes|cat" pipeline. > Only when restore is being used does it seem to happen. Probably because cat uses a large enough buffer and reads fast enough to completely empty the pipe for every read, so bdes never gets a short write (caused by a partially full buffer). DES --=20 Dag-Erling Sm=F8rgrav - des@des.no
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