From: Pavel Machek <pavel@ucw.cz>
To: Herbert Poetzl <herbert@13thfloor.at>
Cc: linux-kernel@vger.kernel.org, Rusty Russell <rusty@rustcorp.com.au>
Subject: Re: 2.4.21 Floppy Fallback with NFS root ...
Date: Tue, 17 Jun 2003 17:11:14 +0200 [thread overview]
Message-ID: <20030617151114.GA910@elf.ucw.cz> (raw)
In-Reply-To: <20030616141832.GG23590@www.13thfloor.at>
Hi!
> I'm curious, is it intentional that, if you select
> NFS support and NFS Root support, that the fact, that
> no nfs is available, or selected via boot options,
> automatically leads to a floppy boot?
>
> I would suggest the following trivial patch, to give
> the kernel compiler a chance to disable this 'feature'.
>
> please correct me if I'm talking nonsense ...
This might be okay for 2.5.X, but its definitely bad idea for
2.4.X. (User visible change without good reason).
> diff -NurbP --minimal linux-2.4.21/fs/Config.in linux-2.4.21-ffb/fs/Config.in
> --- linux-2.4.21/fs/Config.in Tue Dec 10 03:25:19 2002
> +++ linux-2.4.21-ffb/fs/Config.in Mon Jun 16 15:05:09 2003
> @@ -103,6 +103,7 @@
> dep_tristate 'NFS file system support' CONFIG_NFS_FS $CONFIG_INET
> dep_mbool ' Provide NFSv3 client support' CONFIG_NFS_V3 $CONFIG_NFS_FS
> dep_bool ' Root file system on NFS' CONFIG_ROOT_NFS $CONFIG_NFS_FS $CONFIG_IP_PNP
> + dep_bool ' Floppy Fallback' CONFIG_FLOPPY_FALLBACK $CONFIG_ROOT_NFS
>
> dep_tristate 'NFS server support' CONFIG_NFSD $CONFIG_INET
> dep_mbool ' Provide NFSv3 server support' CONFIG_NFSD_V3 $CONFIG_NFSD
> diff -NurbP --minimal linux-2.4.21/init/do_mounts.c linux-2.4.21-ffb/init/do_mounts.c
> --- linux-2.4.21/init/do_mounts.c Fri Jun 13 17:49:28 2003
> +++ linux-2.4.21-ffb/init/do_mounts.c Mon Jun 16 15:00:23 2003
> @@ -754,8 +754,10 @@
> printk("VFS: Mounted root (nfs filesystem).\n");
> return;
> }
> +# ifdef CONFIG_FLOPPY_FALLBACK
> printk(KERN_ERR "VFS: Unable to mount root fs via NFS, trying floppy.\n");
> ROOT_DEV = MKDEV(FLOPPY_MAJOR, 0);
> +# endif
> }
> #endif
> devfs_make_root(root_device_name);
>
> -
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> Please read the FAQ at http://www.tux.org/lkml/
--
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]
next prev parent reply other threads:[~2003-06-17 14:57 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-16 14:18 Herbert Poetzl
2003-06-17 15:11 ` Pavel Machek [this message]
2003-06-17 15:40 ` Herbert Poetzl
2003-06-17 16:58 ` Bernd Eckenfels
2003-06-19 16:03 ` Herbert Poetzl
2003-06-17 16:29 John Bradford
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