linux-kernel - Re: /dev before the root filesystem is mounted

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Message-ID: <a5de567c0611130415t6cbe97efr8e60a3d3e091d04d@mail.gmail.com>
Date:	Mon, 13 Nov 2006 15:15:26 +0300
From:	"Ivan Ukhov" <uvsoft@...il.com>
To:	"Jan Engelhardt" <jengelh@...ux01.gwdg.de>
Subject: Re: /dev before the root filesystem is mounted

i dont use initrd. the kernel understands argument 'root=/dev/...', so
/dev should exist, mb not in a real filesystem, but just in ram or
something. i just want to know what devices are available for being
the root filesystem for the kernel (displaying all available devices
will be enough for me).

2006/11/13, Jan Engelhardt <jengelh@...ux01.gwdg.de>:
>
> > I want the kernel (2.4) to display (just using printk) all available
> > devices with full path (/dev/...) before the root filesystem is
> > mounted.
>
> Case 1: You do not use an initrd/initramfs:
>   / is empty, /dev does not exist.
>
> Case 2: You do use an initrd/initramfs
>   You populated /dev during creation of the initrd/initramfs image OR
>   your init script inside the initrd/initramfs mknods the nodes when run.
>
>
>         -`J'
> --
>
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