tree ed026242a8580c8df03c9383ef32e6e7fb90f949
parent cb9c1c4a880bc734c2848f8647be2cfa336ee346
author Stanislav Kinsbursky <skinsbursky@parallels.com> 1331475631 +0400
committer Trond Myklebust <Trond.Myklebust@netapp.com> 1331477855 -0400

NFS: replace global bl_wq with per-net one

This queue is used for sleeping in kernel and it have to be per-net since we
don't want to wake any other waiters except in out network nemespace.
BTW, move wq to per-net data is easy. But some way to handle upcall timeouts
have to be provided. On message destroy in case of timeout, tasks, waiting for
message to be delivered, should be awakened. Thus, some data required to
located the right wait queue. Chosen solution replaces rpc_pipe_msg object with
new introduced bl_pipe_msg object, containing rpc_pipe_msg and proper wq.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>