[PATCH v2 0/6] SUNPRC: cleanup PipeFS for network-namespace-aware users

[Stanislav Kinsbursky <skinsbursky@parallels.com>]

This patch-set was created in context of clone of git
branch: git://git.linux-nfs.org/projects/trondmy/nfs-2.6.git.
tag: v3.2-rc7

v2:
1) rebased on tag "v3.2-rc7"
2) some cleanup and minor changes

This is cleanup precursor patch set. It's required for easier further
implementation of network-namespace-aware SUNRPC PipeFS pipes creators.
Generally, this patch set split SUNRPC PipeFS logic into two parts: working
with pipes (new rpc_pipe structure with link to PipeFS dentry) and
creating/destroying PipeFS dentries (old rpc_inode structure with link to
rpc_pipe).
With this patch-set kernel PipeFS pipes users initially creates
rpc_pipe data and then creates Pipefs dentries. Later these dentries will be
created in notifier callbacks on PipeFS mount event from user-space and in
network namespace operations for such modules like nfs and blocklayout.

The following series consists of:

---

Stanislav Kinsbursky (6):
      SUNRPC: replace inode lock with pipe lock for RPC PipeFS operations
      SUNRPC: split SUNPRC PipeFS pipe data and inode creation
      SUNRPC: cleanup PipeFS redundant RPC inode usage
      SUNPRC: cleanup RPC PipeFS pipes upcall interface
      SUNRPC: cleanup GSS pipes usage
      SUNRPC: split SUNPRC PipeFS dentry and private pipe data creation


 fs/nfs/blocklayout/blocklayout.c    |   16 ++
 fs/nfs/blocklayout/blocklayout.h    |    2 
 fs/nfs/blocklayout/blocklayoutdev.c |    2 
 fs/nfs/blocklayout/blocklayoutdm.c  |    2 
 fs/nfs/idmap.c                      |   28 +++-
 include/linux/sunrpc/rpc_pipe_fs.h  |   20 ++-
 net/sunrpc/auth_gss/auth_gss.c      |  130 ++++++++++--------
 net/sunrpc/rpc_pipe.c               |  258 +++++++++++++++++++----------------
 8 files changed, 262 insertions(+), 196 deletions(-)

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