cgroup: reorganize css_task_iter functions

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* Rename css_advance_task_iter() to css_task_iter_advance_css_set()
  and make it clear it->task_pos too at the end of the iteration.

* Factor out css_task_iter_advance() from css_task_iter_next().  The
  new function whines if called on a terminated iterator.

Except for the termination check, this is pure reorganization and
doesn't introduce any behavior changes.  This will help the planned
locking update for css_task_iter.

Signed-off-by: Tejun Heo <tj@kernel.org>

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This commit is contained in:

Tejun Heo 2015-10-15 16:41:52 -04:00

parent f6d7d049c1

commit ecb9d535df

1 changed files with 28 additions and 21 deletions

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kernel/cgroup.c

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