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Date: Thu, 30 Nov 1995 20:53:57 -0500 (EST)
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From: Peter Berger <peterb@tcptest.psc.edu>
To: julian@ref.tfs.com
CC: freebsd-scsi@freebsd.org
In-reply-to: <199512010133.RAA13235@ref.tfs.com> (message from Julian Elischer
	on Thu, 30 Nov 1995 17:33:46 -3200 (PST))
Subject: Re: question:
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> From: Julian Elischer <julian@ref.tfs.com>
> Date: Thu, 30 Nov 1995 17:33:46 -3200 (PST)
> Cc: freebsd-scsi@freebsd.org
> X-Mailer: ELM [version 2.4 PL24]
> Content-Type: text
> 
> The ioctls can do things like 'format device'
> (what do you mean 'mounted' read only)
> you shouldn't be accessing a device for ioctls when it's 'mounted'
> (as in mounting a disk partition).
 
I mis-spoke; I meant "opened" read only.

Is this a standard 4.4BSD Lite feature, or a specific FreeBSD-ism?
 
> > 
> > 
> > what's the rationale for returning EACCES when trying to ioctl a
> > device mounted read-only?  inquiring minds want to know.
> > 
> > (I encountered this problem with xmcd, which was failing because of
> > it.  I decided it was easier to change the kernel than to compile
> > Motif, so....)
> > 
> 
>