Re: [PATCH v3 00/16] make rpc_pipefs be mountable multiple time

["Kirill A. Shutemov" <kas@openvz.org>]

On Fri, Jan 14, 2011 at 03:48:58PM +0200, Kirill A. Shutemov wrote:
> Prepare nfs/sunrpc stack to use multiple instances of rpc_pipefs.
> Only for client for now.
> 
> It's step forwart to get nfs work from container.

Any feedback?

> Changelog:
> 
> v3:
>  - rebase to the current Linus' tree (52cfd503ad)
>  - rework get_rpc_pipefs() once again;
>  - solve problem with rmmod sunrpc moudle;
>  - free dns cache on killing rpc_pipefs superblock.
> 
> v2:
>  - one of rpc_create() calls was missed initially, fixed;
>  - change logic for get_rpc_pipefs(NULL);
>  - export get_rpc_pipefs() to be able to use from modules (tnx J. Bruce Field);
>  - change "From:" and "Signed-off-by:" addresses.
> 
> v1:
>  - initial revision of the patchset.
> 
> Kirill A. Shutemov (16):
>   sunrpc: mount rpc_pipefs on initialization
>   sunrpc: introduce init_rpc_pipefs
>   sunrpc: push init_rpc_pipefs up to rpc_create() callers
>   sunrpc: tag svc_serv with rpc_pipefs mount point
>   sunrpc: get rpc_pipefs mount point for svc_serv from callers
>   lockd: get rpc_pipefs mount point from callers
>   sunrpc: get rpc_pipefs mount point for rpcb_create[_local] from
>     callers
>   sunrpc: tag pipefs field of cache_detail with rpc_pipefs mount point
>   sunrpc: introduce rpc_pipefs_add_destroy_cb()
>   nfs: per-rpc_pipefs dns cache
>   Export iterate_mounts symbol to be able to use from sunrpc module.
>   sunrpc: introduce get_rpc_pipefs()
>   nfs: introduce mount option 'rpcmount'
>   sunrpc: make rpc_pipefs be mountable multiple times
>   sunrpc: remove global init_rpc_pipefs
>   Rework get_rpc_pipefs and introduce put_rpc_pipefs()
> 
>  fs/lockd/clntlock.c                |    8 +-
>  fs/lockd/host.c                    |   15 ++-
>  fs/lockd/mon.c                     |   13 ++-
>  fs/lockd/svc.c                     |    4 +-
>  fs/namespace.c                     |    1 +
>  fs/nfs/cache_lib.c                 |   18 +--
>  fs/nfs/cache_lib.h                 |    3 +-
>  fs/nfs/callback.c                  |    7 +-
>  fs/nfs/callback.h                  |    3 +-
>  fs/nfs/client.c                    |   45 ++++++-
>  fs/nfs/dns_resolve.c               |  137 ++++++++++++++++-----
>  fs/nfs/dns_resolve.h               |   15 +--
>  fs/nfs/inode.c                     |    9 +--
>  fs/nfs/internal.h                  |   10 ++-
>  fs/nfs/mount_clnt.c                |    1 +
>  fs/nfs/namespace.c                 |    3 +-
>  fs/nfs/nfs4namespace.c             |   20 ++--
>  fs/nfs/super.c                     |   20 +++
>  fs/nfsd/nfs4callback.c             |    5 +
>  fs/nfsd/nfssvc.c                   |   20 +++-
>  include/linux/lockd/bind.h         |    3 +-
>  include/linux/lockd/lockd.h        |    4 +-
>  include/linux/nfs_fs_sb.h          |    1 +
>  include/linux/sunrpc/cache.h       |    9 +-
>  include/linux/sunrpc/clnt.h        |    5 +-
>  include/linux/sunrpc/rpc_pipe_fs.h |    7 +-
>  include/linux/sunrpc/svc.h         |    9 +-
>  net/sunrpc/cache.c                 |   16 ++-
>  net/sunrpc/clnt.c                  |   19 ++--
>  net/sunrpc/rpc_pipe.c              |  235 ++++++++++++++++++++++++++++++++----
>  net/sunrpc/rpcb_clnt.c             |   19 ++-
>  net/sunrpc/svc.c                   |   52 +++++---
>  32 files changed, 549 insertions(+), 187 deletions(-)
> 
> -- 
> 1.7.3.4
> 

-- 
 Kirill A. Shutemov