[PATCH 0/8] namespaces: Introduce generic refcount

Kirill Tkhai
2020-08-03T10:16:15Z

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>