Date: Sat, 03 Feb 2001 18:54:05 +0100 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Peter Wemm <peter@netplex.com.au> Cc: Warner Losh <imp@harmony.village.org>, Jordan Hubbard <jkh@winston.osd.bsdi.com>, John Indra <john@naver.co.id>, freebsd-current@FreeBSD.ORG Subject: Re: DEVFS newbie... Message-ID: <14529.981222845@critter> In-Reply-To: Your message of "Sat, 03 Feb 2001 09:48:56 PST." <200102031748.f13HmuW44694@mobile.wemm.org>
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>> I have seriously been thinking about some way to say something like >> mount -t devfs -o jailset /home/jail/dev >> but an elegant implementation evades me at this moment. > >As bizzare as it sounds, I like Julian's hack for populating this stuff... >ie: use a hard link to propagate nodes to the jailed /dev. > >eg: mount -t devfs -o empty /home/jail/dev >ln /dev/null /home/jail/dev/null >ln /dev/zero /home/jail/dev/zero >... >mount -u -o ro /home/jail/dev > >It solves several problems, but is kinda odd as it involves a >cross-filesystem hard link. unwhiteout(2) has more promise I think. -- 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-current" in the body of the message
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