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| author | Matt Helsley <matthltc@us.ibm.com> | 2008-10-18 20:27:24 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-20 08:52:34 -0700 |
| commit | 1aece34833721d64eb33fc15cd923c727296d3d3 (patch) | |
| tree | 7d50bac9229430528ff28aa362c87f745ebd1c78 /kernel/cgroup_freezer.c | |
| parent | 81dcf33c2ae314899f754aa7aaa1cb1fe2f84da6 (diff) | |
| download | lwn-1aece34833721d64eb33fc15cd923c727296d3d3.tar.gz lwn-1aece34833721d64eb33fc15cd923c727296d3d3.zip | |
container freezer: rename check_if_frozen()
check_if_frozen() sounds like it should return something when in fact it's
just updating the freezer state.
Signed-off-by: Matt Helsley <matthltc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/cgroup_freezer.c')
| -rw-r--r-- | kernel/cgroup_freezer.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c index 6e4280d77429..e95056954498 100644 --- a/kernel/cgroup_freezer.c +++ b/kernel/cgroup_freezer.c @@ -201,8 +201,8 @@ static void freezer_fork(struct cgroup_subsys *ss, struct task_struct *task) /* * caller must hold freezer->lock */ -static void check_if_frozen(struct cgroup *cgroup, - struct freezer *freezer) +static void update_freezer_state(struct cgroup *cgroup, + struct freezer *freezer) { struct cgroup_iter it; struct task_struct *task; @@ -222,6 +222,10 @@ static void check_if_frozen(struct cgroup *cgroup, */ if (nfrozen == ntotal) freezer->state = CGROUP_FROZEN; + else if (nfrozen > 0) + freezer->state = CGROUP_FREEZING; + else + freezer->state = CGROUP_THAWED; cgroup_iter_end(cgroup, &it); } @@ -240,7 +244,7 @@ static int freezer_read(struct cgroup *cgroup, struct cftype *cft, if (state == CGROUP_FREEZING) { /* We change from FREEZING to FROZEN lazily if the cgroup was * only partially frozen when we exitted write. */ - check_if_frozen(cgroup, freezer); + update_freezer_state(cgroup, freezer); state = freezer->state; } spin_unlock_irq(&freezer->lock); @@ -301,7 +305,7 @@ static int freezer_change_state(struct cgroup *cgroup, freezer = cgroup_freezer(cgroup); spin_lock_irq(&freezer->lock); - check_if_frozen(cgroup, freezer); /* may update freezer->state */ + update_freezer_state(cgroup, freezer); if (goal_state == freezer->state) goto out; switch (freezer->state) { |