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From: hpa@zytor.com (H. Peter Anvin)
To: linux-raid@vger.kernel.org
Subject: Re: Partitioned raid and major number
Date: Tue, 2 Mar 2004 00:36:15 +0000 (UTC)	[thread overview]
Message-ID: <c20ktv$37o$1@terminus.zytor.com> (raw)
In-Reply-To: 20040301010419.GK14194@drinkel.cistron.nl

Followup to:  <20040301010419.GK14194@drinkel.cistron.nl>
By author:    Miquel van Smoorenburg <miquels@cistron.nl>
In newsgroup: linux.dev.raid
> 
> POSIX allows different semantics for / and //, I mentioned before that
> perhaps we should make "cd //" chdir to rootfs instead of /. Then
> you can also have //proc and //sys without explicitly mounting them.
> But I don't think the time has come for that yet (besides it needs
> more thought wrt namespaces, chroot etc).
> 

It's allowed, but definitely not recommended.

I do like the idea of making rootfs remountable, though.

> > Another is to add "rootdev" to /proc/*, as in appended patch. Then
> >   ln -s /proc/self/roodev /dev/root
> > 
> > and providing /proc is mounted, /dev/root will work.
> 
> I like that approach.

.. assuming the rootfs isn't a nodev filesystem.

	-hpa

  reply	other threads:[~2004-03-02  0:36 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-02-25 14:56 Partitioned raid and major number Miquel van Smoorenburg
2004-02-25 18:46 ` H. Peter Anvin
2004-02-25 23:25 ` Neil Brown
2004-02-26 21:51   ` Miquel van Smoorenburg
2004-02-27  0:21     ` Neil Brown
2004-02-27  1:17       ` Neil Brown
2004-02-27 16:56         ` Miquel van Smoorenburg
2004-02-28  1:09           ` Miquel van Smoorenburg
2004-02-28  7:27             ` Luca Berra
2004-03-01  0:54             ` Neil Brown
2004-03-01  1:04               ` Miquel van Smoorenburg
2004-03-02  0:36                 ` H. Peter Anvin [this message]
2004-03-01 15:38               ` Miquel van Smoorenburg
2004-03-09 15:34               ` /dev/root (was: Re: Partitioned raid and major number) Miquel van Smoorenburg
2004-03-10  2:05                 ` Neil Brown
2004-03-01  0:16           ` Partitioned raid and major number Neil Brown
2004-03-01  0:42             ` Miquel van Smoorenburg
2004-03-01  1:09               ` Neil Brown
2004-03-09 15:32                 ` Creating partitionable raid on existing disk (was: Re: Partitioned raid and major number) Miquel van Smoorenburg
2004-03-10  2:41                   ` Neil Brown
2004-03-09 16:46         ` Booting from partitioned raid, do_mounts_md.c patch " Miquel van Smoorenburg
2004-03-10  2:36           ` Neil Brown
  -- strict thread matches above, loose matches on Subject: below --
2004-02-26 23:01 Partitioned raid and major number Michael

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