Date: Wed, 01 Aug 2001 10:37:26 -0700 From: Dima Dorfman <dima@unixfreak.org> To: Sheldon Hearn <sheldonh@starjuice.net> Cc: Kris Kennaway <kris@obsecurity.org>, current@FreeBSD.ORG Subject: Re: md/mdmfs bugs Message-ID: <20010801173731.C9AC93E31@bazooka.unixfreak.org> In-Reply-To: <44878.996684620@axl.seasidesoftware.co.za>; from sheldonh@starjuice.net on "Wed, 01 Aug 2001 18:50:20 %2B0200"
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Sheldon Hearn <sheldonh@starjuice.net> writes:
> On Wed, 01 Aug 2001 09:39:58 MST, Dima Dorfman wrote:
> > How about fixing mdmfs to be bug-compatible (eew, Microsoft term) with
> > mount_mfs if it's called as "mount_*" (e.g., argv[0] is "mount_"), and
> > be sane otherwise? I'll do this if people think that'd be okay.
>
> People already have to learn a new name. They may as well learn the
> name of one that has sensible defaults.
They don't have to learn a new name:
cd /sbin && ln -s mdmfs mount_mfs && shutdown -r now
the existing fstab entries should work. Well, they should, but don't,
since mdmfs doesn't do some of the stupid and undocumented things that
mount_mfs used to. This is what I'd like to fix (but optionally, so
mdmfs can be used for other things, like implementing the rc.conf
knob, too).
> I'm in favour of the current behaviour but I _still_ think you should
> commit my patches that add a "mount /tmp in mfs" option to rc.conf.
I don't know where you got the idea that I thought your rc.conf knob
was a bad idea. Actually, before I imported mdmfs, dougb@ said he was
going to do something similar (if not just change your patch to use
mdmfs), but he appears to have disappeared (probably busy with
$real_life stuff).
Below is the etc/rc part of your patch converted to use mdmfs. I'd be
glad to see that (and the other parts) applied, but I can't speak for
others (although nobody objected that I know of).
WARNING: whitespace/tab corruption
WARNING: untested
Index: etc/rc
===================================================================
RCS file: /home/ncvs/src/etc/rc,v
retrieving revision 1.250
diff -u -d -r1.250 rc
--- etc/rc 2001/01/21 20:57:13 1.250
+++ etc/rc 2001/01/29 16:17:47
@@ -196,6 +196,23 @@
;;
esac
+case ${swap_backed_tmp_size} in
+[Nn][Oo] | '')
+ ;;
+*)
+ echo 'Mounting swap-backed /tmp'
+ mdmfs -s ${swap_backed_tmp_size} -p ${swap_backed_tmp_perm} md /tmp
+ ;;
+esac
+
umount -a >/dev/null 2>&1
# Mount everything except nfs filesystems.
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