tree 25aac5cccce27a6ed5ebb4e161f813af2adbaf56
parent 02107148349f31eee7c0fb06fd7a880df73dbd20
author Chuck Lever <cel@netapp.com> 1136278550 +0100
committer Trond Myklebust <Trond.Myklebust@netapp.com> 1136577536 -0500

SUNRPC: new interface to force an RPC rebind

 We'd like to hide fields in rpc_xprt and rpc_clnt from upper layer protocols.
 Start by creating an API to force RPC rebind, replacing logic that simply
 sets cl_port to zero.

 Test-plan:
 Destructive testing (unplugging the network temporarily).  Connectathon
 with UDP and TCP.  NFSv2/3 and NFSv4 mounting should be carefully checked.
 Probably need to rig a server where certain services aren't running, or
 that returns an error for some typical operation.

 Signed-off-by: Chuck Lever <cel@netapp.com>
 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>