diff options
| author |   Tejun Heo <tj@kernel.org> | 2019-06-27 13:39:48 -0700 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2019-07-10 09:00:57 -0600 |
| commit | 9b0eb69b75bccada2d341d7e7ca342f0cb1c9a6a (patch) | |
| tree | fe6f801bf144743a3f9ac9c336602f855d35ac45 /include/linux/cgroup.h | |
| parent | blk-cgroup: turn on psi memstall stuff (diff) | |
| download | linux-dev-9b0eb69b75bccada2d341d7e7ca342f0cb1c9a6a.tar.xz linux-dev-9b0eb69b75bccada2d341d7e7ca342f0cb1c9a6a.zip | |
cgroup, blkcg: Prepare some symbols for module and !CONFIG_CGROUP usages
btrfs is going to use css_put() and wbc helpers to improve cgroup
writeback support. Add dummy css_get() definition and export wbc
helpers to prepare for module and !CONFIG_CGROUP builds.
Reported-by: kbuild test robot <lkp@intel.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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 3745ecdad925..852d885df10a 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -699,6 +699,7 @@ void cgroup_path_from_kernfs_id(const union kernfs_node_id *id, struct cgroup_subsys_state; struct cgroup; +static inline void css_get(struct cgroup_subsys_state *css) {} static inline void css_put(struct cgroup_subsys_state *css) {} static inline int cgroup_attach_task_all(struct task_struct *from, struct task_struct *t) { return 0; } |