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SubjectRe: 2.6.21-mm2
Date

Hi,

Am Donnerstag, 10. Mai 2007 21:22 schrieben Sie:
> On Thu, 10 May 2007 18:11:35 +0200 Marc Dietrich
<Marc.Dietrich@ap.physik.uni-giessen.de> wrote:
> > Hi,
> >
> > since -mm1 I cannot create files on nfs4 shares.
> >
> > #me@localhost:/home: touch t
> > touch: setting times of `t': Input/output error
> > #me@localhost:/home: dmesg|tail -n1
> > decode_attr_group: reply buffer overflowed in line 2676.
> >
> > This problem was reported before in a different thread, but no
> > reaction....
> >
> > http://marc.info/?l=linux-kernel&m=117837974628893&w=2
>
> We had one regression there which was fixed by the below patch.
>
> That fix is now in Linus's git tree but it was not present in 2.6.21-mm2.
>
> So can you please retest either current -linus, or 2.6.21-mm2 with this
> patch?
>
> commit 6ce7dc940701cf3fde3c6e826a696b333092cbb1
> Author: Chuck Lever <chuck.lever@oracle.com>
> Date: Tue May 8 18:23:28 2007 -0400
>
> NFS: NFS client underestimates how large an NFSv4 SETATTR reply can be
>
> The maximum size of an NFSv4 SETATTR compound reply should include the
> GETATTR operation that we send.
>
> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
>
> diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
> index b8c28f2..f1e2b8c 100644
> --- a/fs/nfs/nfs4xdr.c
> +++ b/fs/nfs/nfs4xdr.c
> @@ -224,7 +224,8 @@ #define NFS4_enc_setattr_sz (compoun
> encode_getattr_maxsz)
> #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \
> decode_putfh_maxsz + \
> - op_decode_hdr_maxsz + 3)
> + op_decode_hdr_maxsz + 3 + \
> + nfs4_fattr_maxsz)
> #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \
> encode_putfh_maxsz + \
> encode_fsinfo_maxsz)
>

works! Seems I have missed that.

Marc

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