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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
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