diff options
| author | Tejun Heo <tj@kernel.org> | 2016-12-27 14:49:03 -0500 |
|---|---|---|
| committer | Michael Bestas <mkbestas@lineageos.org> | 2022-04-19 00:51:40 +0300 |
| commit | 689be33ae1a6d75922183aa0de1f0a8a46a941bf (patch) | |
| tree | c22ab28a1395295af3fc7a98dacdda3d47f56907 /include/linux/cgroup-defs.h | |
| parent | b0bd6e78068a5b4b9bfb5fc95dcdb9d6650f7bda (diff) | |
UPSTREAM: cgroup add cftype->open/release() callbacks
Pipe the newly added kernfs->open/release() callbacks through cftype.
While at it, as cleanup operations now can be performed from
->release() instead of ->seq_stop(), make the latter optional.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Acked-by: Zefan Li <lizefan@huawei.com>
(cherry picked from commit e90cbebc3fa5caea4c8bfeb0d0157a0cee53efc7)
Bug: 111308141
Test: modified lmkd to use PSI and tested using lmkd_unit_test
Change-Id: Iff9794cbbc2c7067c24cb2f767bbdeffa26b5180
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Chatur27 <jasonbright2709@gmail.com>
Diffstat (limited to 'include/linux/cgroup-defs.h')
| -rw-r--r-- | include/linux/cgroup-defs.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h index 2021d7a61459..e5ecb29d1fb1 100644 --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -388,6 +388,9 @@ struct cftype { struct list_head node; /* anchored at ss->cfts */ struct kernfs_ops *kf_ops; + int (*open)(struct kernfs_open_file *of); + void (*release)(struct kernfs_open_file *of); + /* * read_u64() is a shortcut for the common case of returning a * single integer. Use it in place of read() |