On Sat, 05 Apr 2014 14:17:27 +0200
Toralf Förster <toralf.foerster@xxxxxx> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>
> On 04/04/2014 11:57 PM, Toralf Förster wrote:
> > At a user mode linux image (32 bit Gentoo Linux) the recent kernel gives this error while trying to mount a NFSv2 directory:
> > mount.nfs: mount point /mnt/nfsv2 is not a directory
> >
>
> A bisect points to :
>
> 6e14b46b91fee8a049b0940333ce13a820beaaa5 is the first bad commit
> commit 6e14b46b91fee8a049b0940333ce13a820beaaa5
> Author: Albert Fluegel <af@xxxxxx>
> Date: Mon Nov 18 12:18:01 2013 -0500
>
> nfsd: don't return high mode bits
>
> The Linux NFS server replies among other things to a "Check access permission"
> the following:
>
> NFS: File type = 2 (Directory)
> NFS: Mode = 040755
>
> A netapp server replies here:
> NFS: File type = 2 (Directory)
> NFS: Mode = 0755
>
> The RFC 1813 i read:
> fattr3
>
> struct fattr3 {
> ftype3 type;
> mode3 mode;
> uint32 nlink;
> ...
> For the mode bits only the lowest 9 are defined in the RFC
>
> As far as I can tell, knfsd has always done this, so apparently it's harmless.
> Nevertheless, it appears to be wrong.
>
> Note this is already correct in the NFSv4 case, only v2 and v3 need
> fixing.
>
> Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx>
>
> :040000 040000 a60e55f5a9749db3977e12e8baa08d45fadba225 b982c02ec1069c5d969ccb71197e5569fe93b075 M fs
>
> - --
> MfG/Sincerely
> Toralf Förster
> pgp finger print:1A37 6F99 4A9D 026F 13E2 4DCF C4EA CDDE 0076 E94E
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v2.0.22 (GNU/Linux)
> Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/
>
> iF4EAREIAAYFAlM/9FcACgkQxOrN3gB26U5F1AD+JAP4cDM+rT9nk9Q8q681RywT
> Ejxq7d0tnVUfWyDFDTgA/1sIUtpv9GSK8SeAJFu7oAhMt4e6eeIdbpMT2qUEQv6q
> =Sles
> -----END PGP SIGNATURE-----
> --
> To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html
This was already tracked down earlier this week. Bruce has a patch
queued to fix it in his nfsd-next branch. See this thread from earlier
this week:
Subject: Re: linux-3.14 nfsd regression
--
Jeff Layton <jlayton@xxxxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
