[PATCH v6 0/3] convert write_threads, write_version and write_ports to netlink commands

[Lorenzo Bianconi <lorenzo@kernel.org>]

Introduce write_threads, write_version and write_ports netlink
commands similar to the ones available through the procfs.

Changes since v5:
- for write_ports and write_version commands, userspace is expected to provide
  a NFS listeners/supported versions list it want to enable (all the other
  ports/versions will be disabled).
- fix comments
- rebase on top of nfsd-next
Changes since v4:
- rebase on top of nfsd-next tree
Changes since v3:
- drop write_maxconn and write_maxblksize for the moment
- add write_version and write_ports commands
Changes since v2:
- use u32 to store nthreads in nfsd_nl_threads_set_doit
- rename server-attr in control-plane in nfsd.yaml specs
Changes since v1:
- remove write_v4_end_grace command
- add write_maxblksize and write_maxconn netlink commands

This patch can be tested with user-space tool reported below:
https://github.com/LorenzoBianconi/nfsd-netlink.git

Lorenzo Bianconi (3):
  NFSD: convert write_threads to netlink command
  NFSD: add write_version to netlink command
  NFSD: add write_ports to netlink command

 Documentation/netlink/specs/nfsd.yaml |  94 ++++++
 fs/nfsd/netlink.c                     |  63 ++++
 fs/nfsd/netlink.h                     |  10 +
 fs/nfsd/nfsctl.c                      | 396 ++++++++++++++++++++++
 include/uapi/linux/nfsd_netlink.h     |  44 +++
 tools/net/ynl/generated/nfsd-user.c   | 460 ++++++++++++++++++++++++++
 tools/net/ynl/generated/nfsd-user.h   | 155 +++++++++
 7 files changed, 1222 insertions(+)

-- 
2.43.0