Date: Wed, 06 Apr 2005 12:55:33 +0200 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Gary Jennejohn <garyj@jennejohn.org> Cc: freebsd-current@freebsd.org Subject: Re: Panic on mount with write-locked USB media (umass) Message-ID: <7840.1112784933@critter.freebsd.dk> In-Reply-To: Your message of "Wed, 06 Apr 2005 10:45:33 %2B0200." <200504060845.j368jXiU001289@peedub.jennejohn.org>
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In message <200504060845.j368jXiU001289@peedub.jennejohn.org>, Gary Jennejohn writes: >Robert Watson writes: >> I wonder if a useful middle ground is to adopt (1) above except in the >> case of perenially read-only file systems (cd9660), in which case (2) is >> adopted? >> > >It sure would be nice if one could mount an ISO-image (vnode-backed md) >RW. All it takes is somebody to rewrite cd9660 to be a r/w filesystem :-) It's not trivial though, because iso 9660 is essentially a sequential archive with a index up front, so if you change the size of one file all the ones after it move as well. I guess as long as you don't want to make any files longer it would be relatively possible. -- 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.
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