linux-kernel - Re: [PATCH] NFS: Make NFS root work again

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Date:	Thu, 07 Jun 2007 13:56:43 -0400
From:	Peter Staubach <staubach@...hat.com>
To:	David Howells <dhowells@...hat.com>
CC:	torvalds@...l.org, akpm@...l.org, trond.myklebust@....uio.no,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH] NFS: Make NFS root work again

David Howells wrote:
> Make NFS root work by creating a "/root" directory to satisfy the mount,
> otherwise the path lookup for the mount fails with ENOENT.
>
> Signed-off-by: David Howells <dhowells@...hat.com>
> ---
>
>  init/do_mounts.c |    5 ++++-
>  1 files changed, 4 insertions(+), 1 deletions(-)
>
> diff --git a/init/do_mounts.c b/init/do_mounts.c
> index 46fe407..967b852 100644
> --- a/init/do_mounts.c
> +++ b/init/do_mounts.c
> @@ -270,7 +270,10 @@ static void __init get_fs_names(char *page)
>  
>  static int __init do_mount_root(char *name, char *fs, int flags, void *data)
>  {
> -	int err = sys_mount(name, "/root", fs, flags, data);
> +	int err;
> +
> +	sys_mkdir("/root", 0755);
> +	err = sys_mount(name, "/root", fs, flags, data);
>  	if (err)
>  		return err;

It seems to me that if sys_mkdir() fails with anything other other
than EEXISTS, then sys_mount() will continue to fail.  Is this
something that we care about?

       ps
-
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