Date: Wed, 23 May 2001 19:13:11 +0200 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Brian Somers <brian@Awfulhak.org> Cc: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>, freebsd-arch@FreeBSD.ORG Subject: Re: RFC: unit_list routines Message-ID: <4336.990637991@critter> In-Reply-To: Your message of "Wed, 23 May 2001 18:02:09 BST." <200105231702.f4NH29F07183@hak.lan.Awfulhak.org>
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In message <200105231702.f4NH29F07183@hak.lan.Awfulhak.org>, Brian Somers write s: >> In message <200105231552.f4NFqwF05688@hak.lan.Awfulhak.org>, Brian Somers write >> s: >> >> >I didn't do it that way because the ``usual'' way units are allocated >> >is sequentially. Using bits when there are large numbers of units >> >gets awkward. I figured what was required was something small and >> >simple that would cover the requirements of most/all drivers that >> >need to track their units so that it's easy to find an unused one, >> >and it's easy to allocate/deallocate things. >> >> How does newbus allocate/manage unit numbers ? > >I don't think it does. The only way to find out what's in use >(AFAIK) is by looking at every specinfo in dev_hash.... newbus shouldn't be f**king around with dev_t's and last I heard it wasn't, so I don't think that is the right answer really... -- 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. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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