Date: Mon, 24 Feb 2003 19:18:24 +0100 From: "Simon L. Nielsen" <simon@nitro.dk> To: Hiten Pandya <hiten@unixdaemons.com> Cc: current@FreeBSD.ORG, freebsd-small@freebsd.org Subject: Re: machdep.guessed_bootdev sysctl on i386 Message-ID: <20030224181823.GA369@nitro.dk> In-Reply-To: <20030224063502.GB70498@unixdaemons.com> References: <20030224024210.GA50286@unixdaemons.com> <4363.1046067059@critter.freebsd.dk> <20030224063502.GB70498@unixdaemons.com>
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On 2003.02.24 01:35:02 -0500, Hiten Pandya wrote:
> Okay. I have attached a patch which will nuke the sysctl, and replace
> it's use in picobsd's mfs_tree rc scripts with something better, but
> which still needs review. I have not tested the patch, but this patch
> should not fail, hopefully.
PicoBSD does not necessarily have awk (actually most likely doesn't
since awk is 'big'). cut could be used instead since it much smaller :
mount | grep 'on / ' | cut -f 1 -d ' '
Perhaps somebody has a better way?
I have cc'ed -small, since somebody there might have good idea.
> Index: src/release/picobsd/mfs_tree/etc/rc
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> RCS file: /home/ncvs/src/release/picobsd/mfs_tree/etc/rc,v
> retrieving revision 1.9
> diff -u -r1.9 rc
> --- src/release/picobsd/mfs_tree/etc/rc 17 Nov 2002 20:19:34 -0000 1.9
> +++ src/release/picobsd/mfs_tree/etc/rc 24 Feb 2003 06:21:31 -0000
> @@ -7,7 +7,7 @@
> =20
> HOME=3D/; export HOME
> PATH=3D/bin; export PATH
> -dev=3D`sysctl -n machdep.guessed_bootdev`
> +dev=3D`mount | grep 'on / ' | awk '{ print $1 }'`
> [ -c "${dev}" ] || dev=3D"/dev/fd0"
> =20
> trap "echo 'Reboot interrupted'; exit 1" 3
> Index: src/release/picobsd/mfs_tree/stand/update
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> RCS file: /home/ncvs/src/release/picobsd/mfs_tree/stand/update,v
> retrieving revision 1.5
> diff -u -r1.5 update
> --- src/release/picobsd/mfs_tree/stand/update 11 Mar 2002 05:15:44 -0000 =
1.5
> +++ src/release/picobsd/mfs_tree/stand/update 24 Feb 2003 06:20:08 -0000
> @@ -5,7 +5,7 @@
> thefiles=3D$*
> [ -z "$thefiles" ] && \
> thefiles=3D"/etc/rc.conf /etc/rc.firewall /etc/master.passwd"
> -dev=3D`sysctl -n machdep.guessed_bootdev`
> +dev=3D`mount | grep 'on / ' | awk '{ print $1 }'`
> [ -c "${dev}" ] || dev=3D"/dev/fd0"
> mount ${dev} /mnt
> if [ "$?" !=3D "0" ] ; then
[CUT]
--=20
Simon L. Nielsen
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