[PATCH v2 0/4] SUNRPC: several fixes around PipeFS objects

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v2: 
1) Prior to calling PipeFS dentry rountines (for both type of clients - SUNPRC
and NFS) get the client and drop the list lock instead of replacing per-net
locks by mutexes.

First two pathes fixes lockdep warnings and next two - dereferencing of
released pipe data on eventfd close and in file operations.

The following series consists of:

---

Stanislav Kinsbursky (4):
      SUNRPC: release per-net clients lock before calling PipeFS dentries creation
      NFS: release per-net clients lock before calling PipeFS dentries creation
      SUNRPC: check RPC inode's pipe reference before dereferencing
      SUNRPC: move waitq from RPC pipe to RPC inode


 fs/nfs/client.c                    |    2 +
 fs/nfs/idmap.c                     |    8 +++-
 include/linux/sunrpc/rpc_pipe_fs.h |    2 +
 net/sunrpc/clnt.c                  |   10 ++++-
 net/sunrpc/rpc_pipe.c              |   71 +++++++++++++++++++++++-------------
 5 files changed, 60 insertions(+), 33 deletions(-)

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