Date: Thu, 24 Apr 1997 20:25:18 +1000 From: Bruce Evans <bde@zeta.org.au> To: freebsd-hackers@FreeBSD.org, syssgm@dtir.qld.gov.au Subject: Re: disklabel -- owner? Message-ID: <199704241025.UAA13605@godzilla.zeta.org.au>
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>By my calculations there is room for 22 partition entries, plus spare change. Strangely enough, NetBSD supports up to 22 partitions. >So, it's easy to fit 16 entries in the label. Make a new magic number to >distinguish it from the old one, and voila! Pick the same magic number as >OpenBSD to set new heights of logic and cooperation. A new magic number would be bogus, since the number of partitions is part of the data and the checksum covers all the data. >Not much code needs to know about the two types of disk labels. Oh, and There is only one type, but some code doesn't fully support it. >the dkmakeminor() macro (and friends) will have to steal a bit from the >unit number to give to the partition number. 2 bits. Bruce
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