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(parent: b3bfd98) | patch
cgroup: grab cgroup_mutex earlier in cgroup_subtree_control_write()
authorTejun Heo <tj@kernel.org>
Tue, 13 May 2014 16:19:22 +0000 (12:19 -0400)
committerTejun Heo <tj@kernel.org>
Tue, 13 May 2014 16:19:22 +0000 (12:19 -0400)
commitddab2b6e0e516098efe6d3b69585bb25b1408d61
treecbe91d86f26f8767ef4a5773a3f84d0c919ef5c1tree | snapshot
parentb3bfd983ca94cf1393accc11e90123c83909babbcommit | diff
cgroup: grab cgroup_mutex earlier in cgroup_subtree_control_write()

Move cgroup_lock_live_group() invocation upwards to right below
cgroup_tree_mutex in cgroup_subtree_control_write().  This is to help
the planned locking simplification.

This doesn't make any userland-visible behavioral changes.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>
kernel/cgroup.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)