according to the spec the sequence number retured on
CREATE_SESSION *MUST* be equal to a sequence number
provided by the client.

remove redundant code
Acked-By: Gerd

By having chimera as a backend file system we need to support
legacy .(xx)(xx)... commands. While there are no DS wich can be used
MDS have to redict requests to itself.

A program may have different versions. Each version of a program
can be handled by a different dispatcher.

Acked-By: Paul
Patch: http://rb.dcache.org/r/1467/

added support for notations like
/export <A.B.C.D>[/bits]

Acked-By: Paul
Patch: http://rb.dcache.org/r/1326/

The old format hat a bug whish was producing longer
id than nfs spec is allow.

Acked-by: Gerd
Patch: http://rb.dcache.org/r/1029/

in addition patch aswell chenges Map to Cache with
maximal idle time equals to 2xLEASE_TIME

Make code more flexible and reduses code duplication

Acked-by: Gerd

NFSv4.1 defines client managed reply cache identified
by slot id:

http://www.nfsv4-editor.org/draft-25/draft-ietf-nfsv4-minorversion1-25.html#Slot Identifiers and Server Reply Cache

Acked-by: Gerd

Each v4.0 coumpound has a server side 'local variable'
to store current file handle, saved file handle and so on.
With v4.1 and introduction od sessions the number of
'local variable' are increased.

The patch refactors nfsv4 code to keep it simple and
readable.

Acked-By: Gerd

There are several usecases where we need a Map where
entries orphan entries are removed. The usual use case
the cleanup of disconnected sessions.

Acked-By: Gerd

all non NFS related error cases, like DB restart have
to return falid reply. This patch fixes reply objects.

Error cases was observed at NDGF ( DB restart ) and DESY.

Acked-By: Gerd

Ached-by: Gerd

Acked-By: Gerd

use RpcReply class by clients and servers