[PATCH 0/8] namespaces: Introduce generic refcount

[Kirill Tkhai <ktkhai@virtuozzo.com>]

Every namespace type has its own counter. Some of them are
of refcount_t, some of them are of kref.

This patchset introduces generic ns_common::count for any
type of namespaces instead of them.

---

Kirill Tkhai (8):
      ns: Add common refcount into ns_common add use it as counter for net_ns
      uts: Use generic ns_common::count
      ipc: Use generic ns_common::count
      pid: Use generic ns_common::count
      user: Use generic ns_common::count
      mnt: Use generic ns_common::count
      cgroup: Use generic ns_common::count
      time: Use generic ns_common::count


 fs/mount.h                     |    3 +--
 fs/namespace.c                 |    4 ++--
 include/linux/cgroup.h         |    5 ++---
 include/linux/ipc_namespace.h  |    3 +--
 include/linux/ns_common.h      |    3 +++
 include/linux/pid_namespace.h  |    4 +---
 include/linux/time_namespace.h |    9 ++++-----
 include/linux/user_namespace.h |    5 ++---
 include/linux/utsname.h        |    9 ++++-----
 include/net/net_namespace.h    |   11 ++++-------
 init/version.c                 |    2 +-
 ipc/msgutil.c                  |    2 +-
 ipc/namespace.c                |    4 ++--
 kernel/cgroup/cgroup.c         |    2 +-
 kernel/cgroup/namespace.c      |    2 +-
 kernel/pid.c                   |    2 +-
 kernel/pid_namespace.c         |   13 +++----------
 kernel/time/namespace.c        |    9 +++------
 kernel/user.c                  |    2 +-
 kernel/user_namespace.c        |    4 ++--
 kernel/utsname.c               |    7 ++-----
 net/core/net-sysfs.c           |    6 +++---
 net/core/net_namespace.c       |    6 +++---
 net/ipv4/inet_timewait_sock.c  |    4 ++--
 net/ipv4/tcp_metrics.c         |    2 +-
 25 files changed, 51 insertions(+), 72 deletions(-)

--
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>