From owner-freebsd-arch Wed May 23 10:13:28 2001 Delivered-To: freebsd-arch@freebsd.org Received: from critter.freebsd.dk (beachchick.freebsd.dk [212.242.34.253]) by hub.freebsd.org (Postfix) with ESMTP id EE85337B424 for ; Wed, 23 May 2001 10:13:23 -0700 (PDT) (envelope-from phk@critter.freebsd.dk) Received: from critter (localhost [127.0.0.1]) by critter.freebsd.dk (8.11.3/8.11.3) with ESMTP id f4NHDBm04338; Wed, 23 May 2001 19:13:11 +0200 (CEST) (envelope-from phk@critter.freebsd.dk) To: Brian Somers Cc: Garrett Wollman , freebsd-arch@FreeBSD.ORG Subject: Re: RFC: unit_list routines In-Reply-To: Your message of "Wed, 23 May 2001 18:02:09 BST." <200105231702.f4NH29F07183@hak.lan.Awfulhak.org> Date: Wed, 23 May 2001 19:13:11 +0200 Message-ID: <4336.990637991@critter> From: Poul-Henning Kamp Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG 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