Re: NFS regression in v3.5-rc1: mount.nfs yells about incorrect mount option

Joerg Roedel
2012-06-08T13:49:11Z

On Fri, Jun 08, 2012 at 09:37:01AM -0400, Bryan Schumaker wrote:
> On 06/08/2012 09:33 AM, Joerg Roedel wrote:

> > Your other patch only touched the nfs4 path, but in my setup nfs3 was in
> > use. Therefore the patch didn't help. I just figured out that
> > nfs_fs_mount is shared between nfs23 and nfs4, so the first patch
> > probably breaks nfs4. I send another one which takes this into account.
>
> Would something like this work? (I haven't tried it yet). Setting it
> in nfs_alloc_parsed_mount_data() might work too...
>
> diff --git a/fs/nfs/super.c b/fs/nfs/super.c
> index bdd6731..906f09c 100644
> --- a/fs/nfs/super.c
> +++ b/fs/nfs/super.c
> @@ -1867,6 +1867,7 @@ static int nfs23_validate_mount_data(void *options,
> if (data == NULL)
> goto out_no_data;
>
> + args->version = NFS_DEFAULT_VERSION;
> switch (data->version) {
> case 1:
> data->namlen = 0;
> --

Yes, this works too (tested). Doing it in nfs_alloc_parsed_mount_data()
need to take into account that the function is also called for nfs4.
This is basically what my second revert-patch does.

Joerg