tree 14503068e419723d06b4c56ec6544a907ae3f85a
parent 527e9316f8ec44bd53d90fb9f611fa7ffff52bb9
author Trond Myklebust <trond.myklebust@primarydata.com> 1449521543 -0800
committer Trond Myklebust <trond.myklebust@primarydata.com> 1449522299 -0800

SUNRPC: Fix callback channel

The NFSv4.1 callback channel is currently broken because the receive
message will keep shrinking because the backchannel receive buffer size
never gets reset.
The easiest solution to this problem is instead of changing the receive
buffer, to rather adjust the copied request.

Fixes: 38b7631fbe42 ("nfs4: limit callback decoding to received bytes")
Cc: Benjamin Coddington <bcodding@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>