The patch titled
container freezer: rename check_if_frozen()
has been added to the -mm tree. Its filename is
container-freezer-rename-check_if_frozen.patch
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------------------------------------------------------
Subject: container freezer: rename check_if_frozen()
From: Matt Helsley <matthltc@xxxxxxxxxx>
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@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/cgroup_freezer.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff -puN kernel/cgroup_freezer.c~container-freezer-rename-check_if_frozen kernel/cgroup_freezer.c
--- a/kernel/cgroup_freezer.c~container-freezer-rename-check_if_frozen
+++ a/kernel/cgroup_freezer.c
@@ -201,8 +201,8 @@ static void freezer_fork(struct cgroup_s
/*
* 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 cgrou
*/
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 *c
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 c
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) {
_
Patches currently in -mm which might be from matthltc@xxxxxxxxxx are
container-freezer-add-tif_freeze-flag-to-all-architectures.patch
container-freezer-make-refrigerator-always-available.patch
container-freezer-implement-freezer-cgroup-subsystem.patch
container-freezer-implement-freezer-cgroup-subsystem-checkpatch-fixes.patch
container-freezer-implement-freezer-cgroup-subsystem-fix-freezer-kconfig.patch
container-freezer-implement-freezer-cgroup-subsystem-uninline-thaw_process.patch
container-freezer-implement-freezer-cgroup-subsystem-cleanup-comment.patch
container-freezer-skip-frozen-cgroups-during-power-management-resume.patch
container-freezer-prevent-frozen-tasks-or-cgroups-from-changing.patch
container-freezer-make-freezer-state-names-less-generic.patch
container-freezer-rename-check_if_frozen.patch
container-freezer-document-the-cgroup-freezer-subsystem.patch
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