From: Al Viro <viro@ftp.linux.org.uk>
To: Andrew Morton <akpm@osdl.org>
Cc: psusi@cfl.rr.com, jzb@aexorsyst.com, linux-kernel@vger.kernel.org
Subject: Re: root=/dev/sda1 fails but root=0x0801 works...
Date: Wed, 15 Feb 2006 07:10:18 +0000 [thread overview]
Message-ID: <20060215071018.GJ27946@ftp.linux.org.uk> (raw)
In-Reply-To: <20060214225950.3a697ec8.akpm@osdl.org>
On Tue, Feb 14, 2006 at 10:59:50PM -0800, Andrew Morton wrote:
> Al Viro <viro@ftp.linux.org.uk> wrote:
> >
> > Read init/do_mounts.c::name_to_dev_t().
> >
>
> I tried to do that a while ago, when I was trying to use it for
> name_to_dev_t()ing in swsusp somewhere.
>
>
> >From my notes at the time:
>
> a) It barfs if /sys is already mounted.
It's called from late boot code.
> b) Fix that, mkdir and mount barf because it needs set_fs(KERNEL_DS)
It's called from late boot code, running as kernel thread.
> c) Fix that, it barfs because name_to_dev_t is just broken. It is
> accessing the wrong pathnames in /sys.
Details, please.
next prev parent reply other threads:[~2006-02-15 7:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-14 7:16 root=/dev/sda1 fails but root=0x0801 works John Z. Bohach
2006-02-14 15:42 ` Phillip Susi
2006-02-14 16:24 ` Al Viro
2006-02-14 17:20 ` John Z. Bohach
2006-02-14 19:03 ` Phillip Susi
2006-02-15 6:59 ` Andrew Morton
2006-02-15 7:10 ` Al Viro [this message]
2006-02-15 7:32 ` Andrew Morton
2006-02-15 7:59 ` Al Viro
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