From: Kenny Drobnack <[EMAIL PROTECTED]>
Date: Fri, 09 Feb 2001 00:03:06 -0500
> Is some system call to check the hardware to see if its physically
> writable? I figure there is. I want to start hacking at the kernel a
> bit, and it seems like something simple (comparitively) would be a good
> place to start. Up there on my wish list is getting a journaling
> filesystem ported to FreeBSD.
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.
ftp://daemon.jp.FreeBSD.org/pub/FreeBSD-jp/OD/
// Noriaki Mitsunaga //
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