Date: Tue, 29 Oct 2002 10:53:37 -0800 From: David Schultz <dschultz@uclink.Berkeley.EDU> To: Poul-Henning Kamp <phk@critter.freebsd.dk> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: Patch to allow a driver to report unrecoverable write errors to the buf layer Message-ID: <20021029185337.GA21064@HAL9000.homeunix.com> In-Reply-To: <94802.1035914508@critter.freebsd.dk> References: <20021029184724.A1682@gicco.homeip.net> <94802.1035914508@critter.freebsd.dk>
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Thus spake Poul-Henning Kamp <phk@critter.freebsd.dk>: > >Isn't there a means to determine the state of the protection before > >the mount is attempted? > > As far as I know there isn't. I'm not sure if it is a device driver > (morituri te salutem!) or hardware issue. I believe most floppy drives can be queried for both their write-protect status and whether the inserted disk has been changed. If someone cared enough, these bits could be used to protect users from themselves. IMO, the retry-forever bug is the real problem, but I'm a bit skeptical that it's easy to solve safely. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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