[GIT PULL] cgroup changes for v4.9-rc1

[Tejun Heo]

Hello, Linus.

cgroup changes for v4.9-rc1.

* Tracepoints for basic cgroup management operations added.

* kernfs and cgroup path formatting functions updated to behave in the
  style of strlcpy().

* Non-critical bug fixes.

Thanks.

The following changes since commit 29b4817d4018df78086157ea3a55c1d9424a7cfc:

  Linux 4.8-rc1 (2016-08-07 18:18:00 -0700)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-4.9

for you to fetch changes up to bbb427e342495df1cda10051d0566388697499c0:

  blkcg: Unlock blkcg_pol_mutex only once when cpd == NULL (2016-09-30 10:31:20 +0200)

----------------------------------------------------------------
Bart Van Assche (1):
      blkcg: Unlock blkcg_pol_mutex only once when cpd == NULL

Tejun Heo (7):
      kernfs: add dummy implementation of kernfs_path_from_node()
      kernfs: make kernfs_path*() behave in the style of strlcpy()
      kernfs: remove kernfs_path_len()
      cgroup: make cgroup_path() and friends behave in the style of strlcpy()
      cgroup: add tracepoints for basic operations
      cpuset: fix error handling regression in proc_cpuset_show()
      cgroup: fix error handling regressions in proc_cgroup_show() and cgroup_release_agent()

 block/blk-cgroup.c            |   4 +-
 fs/kernfs/dir.c               |  84 +++++-----------------
 fs/sysfs/dir.c                |   6 +-
 include/linux/blk-cgroup.h    |  11 +--
 include/linux/cgroup.h        |   9 ++-
 include/linux/kernfs.h        |  28 +++++---
 include/trace/events/cgroup.h | 163 ++++++++++++++++++++++++++++++++++++++++++
 kernel/cgroup.c               |  75 ++++++++++++-------
 kernel/cpuset.c               |  13 ++--
 kernel/sched/debug.c          |   3 +-
 10 files changed, 266 insertions(+), 130 deletions(-)
 create mode 100644 include/trace/events/cgroup.h

-- 
tejun