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| author | Martin KaFai Lau <kafai@fb.com> | 2016-06-30 10:28:42 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-07-01 16:30:38 -0400 |
| commit | 1f3fe7ebf6136c341012db9f554d4caa566fcbaa (patch) | |
| tree | ec78d296ec21640777ed39c1277fa7b5b88e4169 /include/linux/cgroup.h | |
| parent | 6bd3847bdc3ba97e642cb9af9d16b0f056da31a2 (diff) | |
| download | lwn-1f3fe7ebf6136c341012db9f554d4caa566fcbaa.tar.gz lwn-1f3fe7ebf6136c341012db9f554d4caa566fcbaa.zip | |
cgroup: Add cgroup_get_from_fd
Add a helper function to get a cgroup2 from a fd. It will be
stored in a bpf array (BPF_MAP_TYPE_CGROUP_ARRAY) which will
be introduced in the later patch.
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Tejun Heo <tj@kernel.org>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/cgroup.h')
| -rw-r--r-- | include/linux/cgroup.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index a20320c666fd..984f73b719a9 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -87,6 +87,7 @@ struct cgroup_subsys_state *css_tryget_online_from_dir(struct dentry *dentry, struct cgroup_subsys *ss); struct cgroup *cgroup_get_from_path(const char *path); +struct cgroup *cgroup_get_from_fd(int fd); int cgroup_attach_task_all(struct task_struct *from, struct task_struct *); int cgroup_transfer_tasks(struct cgroup *to, struct cgroup *from); |