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| author | Tejun Heo <tj@kernel.org> | 2014-05-13 12:19:23 -0400 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2014-05-13 12:19:23 -0400 |
| commit | e76ecaeef65c497153ceacf59c2e21c070d43f64 (patch) | |
| tree | 5acc9ee3074440a3802526998ffdbd6fc0c2beff /fs/fuse/dev.c | |
| parent | a9746d8da786bc79b3b4ae1baa0fbbc4b795c1b7 (diff) | |
| download | talos-op-linux-e76ecaeef65c497153ceacf59c2e21c070d43f64.tar.gz talos-op-linux-e76ecaeef65c497153ceacf59c2e21c070d43f64.zip | |
cgroup: use cgroup_kn_lock_live() in other cgroup kernfs methods
Make __cgroup_procs_write() and cgroup_release_agent_write() use
cgroup_kn_lock_live() and cgroup_kn_unlock() instead of
cgroup_lock_live_group(). This puts the operations under both
cgroup_tree_mutex and cgroup_mutex protection without circular
dependency from kernfs active protection. Also, this means that
cgroup_mutex is no longer nested below kernfs active protection.
There is no longer any place where the two locks interact.
This leaves cgroup_lock_live_group() without any user. Removed.
This will help simplifying cgroup locking.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>
Diffstat (limited to 'fs/fuse/dev.c')
0 files changed, 0 insertions, 0 deletions
