Date: Sat, 10 Feb 2001 22:56:05 +0900 From: non@ever.sanda.gr.jp To: freebsd-hackers@freebsd.org Subject: Re: mount checking for read-only media Message-ID: <20010210225605B.non@ever.sanda.gr.jp> In-Reply-To: <3A841662.B061A317@netzero.net> References: <3A837A0A.DAB3520A@columbus.rr.com> <20010209181342S.non@ever.sanda.gr.jp> <3A841662.B061A317@netzero.net>
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I wrote this in -current ML too, From: Kevin Brunelle <kruptos@netzero.net> Date: Fri, 09 Feb 2001 11:10:10 -0500 > > It's not system call but `od' driver does check if the medium is > > writable or not. It returns EACCESS when the mount option is -rw and > > the medium is read-only. `od' is drived from `da' so quick hack will > > do the trick. > > This is all for scsi drives. I may not know everything, but I know most > floppies aren't scsi! But, I am sure the problem exists for both. I know Are there any reason not to check the device is writable or not, if its opened with a write flag ? Just returning error when open() call prevents this problem. // Noriaki Mitsunaga // To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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