Re: [PATCH] NFS: Make NFS root work again

From: Trond Myklebust
Date: Sat Jun 16 2007 - 12:47:47 EST


On Sat, 2007-06-16 at 09:15 -0700, Andrew Morton wrote:
> On Thu, 07 Jun 2007 17:40:03 +0100 David Howells <dhowells@xxxxxxxxxx> 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@xxxxxxxxxx>
> > ---
> >
> > 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;
>
> Am still awaiting a proper description of this patch, please.
>
> What is not working, and how does this patch fix it?
>
> I am unaware of any open bug reports against NFS root.

I'm confused too. We never used to require that the kernel create a
special /root directory. What changed, and when?

Trond

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