Re: [PATCH] workqueue, freezer: unify spelling of 'freeze' + 'able' to 'freezable'
From: Rafael J. Wysocki
Date: Wed Feb 16 2011 - 05:19:58 EST
On Wednesday, February 16, 2011, Tejun Heo wrote:
> There are two spellings in use for 'freeze' + 'able' - 'freezable' and
> 'freezeable'. The former is the more prominent one. The latter is
> mostly used by workqueue and in a few other odd places. Unify the
> spelling to 'freezable'.
>
> Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
> Reported-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
> Cc: Dmitry Torokhov <dtor@xxxxxxx>
> Cc: "Rafael J. Wysocki" <rjw@xxxxxxx>
> Cc: David Woodhouse <dwmw2@xxxxxxxxxxxxx>
> Cc: Alex Dubov <oakad@xxxxxxxxx>
> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxx>
> Cc: Steven Whitehouse <swhiteho@xxxxxxxxxx>
> ---
> I'd like to push this through wq#fixes-2.6.38 branch as routing this
> type of changes through linux-next usually only increases the amount
> of conflicts. Rafael, can you please ack if you agree?
Sure.
Acked-by: Rafael J. Wysocki <rjw@xxxxxxx>
Thanks,
Rafael
> Documentation/workqueue.txt | 4 ++--
> drivers/memstick/core/memstick.c | 2 +-
> drivers/misc/tifm_core.c | 2 +-
> drivers/misc/vmw_balloon.c | 2 +-
> drivers/mtd/nand/r852.c | 2 +-
> drivers/mtd/sm_ftl.c | 2 +-
> drivers/net/can/mcp251x.c | 2 +-
> drivers/tty/serial/max3100.c | 2 +-
> drivers/tty/serial/max3107.c | 2 +-
> fs/gfs2/glock.c | 4 ++--
> fs/gfs2/main.c | 2 +-
> include/linux/freezer.h | 2 +-
> include/linux/sched.h | 2 +-
> include/linux/workqueue.h | 8 ++++----
> kernel/power/main.c | 2 +-
> kernel/power/process.c | 6 +++---
> kernel/workqueue.c | 24 ++++++++++++------------
> 17 files changed, 35 insertions(+), 35 deletions(-)
>
> diff --git a/Documentation/workqueue.txt b/Documentation/workqueue.txt
> index 996a27d..01c513f 100644
> --- a/Documentation/workqueue.txt
> +++ b/Documentation/workqueue.txt
> @@ -190,9 +190,9 @@ resources, scheduled and executed.
> * Long running CPU intensive workloads which can be better
> managed by the system scheduler.
>
> - WQ_FREEZEABLE
> + WQ_FREEZABLE
>
> - A freezeable wq participates in the freeze phase of the system
> + A freezable wq participates in the freeze phase of the system
> suspend operations. Work items on the wq are drained and no
> new work item starts execution until thawed.
>
> diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c
> index e9a3eab..8c1d85e 100644
> --- a/drivers/memstick/core/memstick.c
> +++ b/drivers/memstick/core/memstick.c
> @@ -621,7 +621,7 @@ static int __init memstick_init(void)
> {
> int rc;
>
> - workqueue = create_freezeable_workqueue("kmemstick");
> + workqueue = create_freezable_workqueue("kmemstick");
> if (!workqueue)
> return -ENOMEM;
>
> diff --git a/drivers/misc/tifm_core.c b/drivers/misc/tifm_core.c
> index 5f6852d..44d4475 100644
> --- a/drivers/misc/tifm_core.c
> +++ b/drivers/misc/tifm_core.c
> @@ -329,7 +329,7 @@ static int __init tifm_init(void)
> {
> int rc;
>
> - workqueue = create_freezeable_workqueue("tifm");
> + workqueue = create_freezable_workqueue("tifm");
> if (!workqueue)
> return -ENOMEM;
>
> diff --git a/drivers/misc/vmw_balloon.c b/drivers/misc/vmw_balloon.c
> index 4d2ea8e..6df5a55 100644
> --- a/drivers/misc/vmw_balloon.c
> +++ b/drivers/misc/vmw_balloon.c
> @@ -785,7 +785,7 @@ static int __init vmballoon_init(void)
> if (x86_hyper != &x86_hyper_vmware)
> return -ENODEV;
>
> - vmballoon_wq = create_freezeable_workqueue("vmmemctl");
> + vmballoon_wq = create_freezable_workqueue("vmmemctl");
> if (!vmballoon_wq) {
> pr_err("failed to create workqueue\n");
> return -ENOMEM;
> diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c
> index d9d7efb..6322d1f 100644
> --- a/drivers/mtd/nand/r852.c
> +++ b/drivers/mtd/nand/r852.c
> @@ -930,7 +930,7 @@ int r852_probe(struct pci_dev *pci_dev, const struct pci_device_id *id)
>
> init_completion(&dev->dma_done);
>
> - dev->card_workqueue = create_freezeable_workqueue(DRV_NAME);
> + dev->card_workqueue = create_freezable_workqueue(DRV_NAME);
>
> if (!dev->card_workqueue)
> goto error9;
> diff --git a/drivers/mtd/sm_ftl.c b/drivers/mtd/sm_ftl.c
> index 67822cf..ac0d6a8 100644
> --- a/drivers/mtd/sm_ftl.c
> +++ b/drivers/mtd/sm_ftl.c
> @@ -1258,7 +1258,7 @@ static struct mtd_blktrans_ops sm_ftl_ops = {
> static __init int sm_module_init(void)
> {
> int error = 0;
> - cache_flush_workqueue = create_freezeable_workqueue("smflush");
> + cache_flush_workqueue = create_freezable_workqueue("smflush");
>
> if (IS_ERR(cache_flush_workqueue))
> return PTR_ERR(cache_flush_workqueue);
> diff --git a/drivers/net/can/mcp251x.c b/drivers/net/can/mcp251x.c
> index 7ab534a..7513c45 100644
> --- a/drivers/net/can/mcp251x.c
> +++ b/drivers/net/can/mcp251x.c
> @@ -940,7 +940,7 @@ static int mcp251x_open(struct net_device *net)
> goto open_unlock;
> }
>
> - priv->wq = create_freezeable_workqueue("mcp251x_wq");
> + priv->wq = create_freezable_workqueue("mcp251x_wq");
> INIT_WORK(&priv->tx_work, mcp251x_tx_work_handler);
> INIT_WORK(&priv->restart_work, mcp251x_restart_work_handler);
>
> diff --git a/drivers/tty/serial/max3100.c b/drivers/tty/serial/max3100.c
> index beb1afa..7b951ad 100644
> --- a/drivers/tty/serial/max3100.c
> +++ b/drivers/tty/serial/max3100.c
> @@ -601,7 +601,7 @@ static int max3100_startup(struct uart_port *port)
> s->rts = 0;
>
> sprintf(b, "max3100-%d", s->minor);
> - s->workqueue = create_freezeable_workqueue(b);
> + s->workqueue = create_freezable_workqueue(b);
> if (!s->workqueue) {
> dev_warn(&s->spi->dev, "cannot create workqueue\n");
> return -EBUSY;
> diff --git a/drivers/tty/serial/max3107.c b/drivers/tty/serial/max3107.c
> index 910870e..750b4f6 100644
> --- a/drivers/tty/serial/max3107.c
> +++ b/drivers/tty/serial/max3107.c
> @@ -833,7 +833,7 @@ static int max3107_startup(struct uart_port *port)
> struct max3107_port *s = container_of(port, struct max3107_port, port);
>
> /* Initialize work queue */
> - s->workqueue = create_freezeable_workqueue("max3107");
> + s->workqueue = create_freezable_workqueue("max3107");
> if (!s->workqueue) {
> dev_err(&s->spi->dev, "Workqueue creation failed\n");
> return -EBUSY;
> diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
> index 08a8beb..7cd9a5a 100644
> --- a/fs/gfs2/glock.c
> +++ b/fs/gfs2/glock.c
> @@ -1779,11 +1779,11 @@ int __init gfs2_glock_init(void)
> #endif
>
> glock_workqueue = alloc_workqueue("glock_workqueue", WQ_MEM_RECLAIM |
> - WQ_HIGHPRI | WQ_FREEZEABLE, 0);
> + WQ_HIGHPRI | WQ_FREEZABLE, 0);
> if (IS_ERR(glock_workqueue))
> return PTR_ERR(glock_workqueue);
> gfs2_delete_workqueue = alloc_workqueue("delete_workqueue",
> - WQ_MEM_RECLAIM | WQ_FREEZEABLE,
> + WQ_MEM_RECLAIM | WQ_FREEZABLE,
> 0);
> if (IS_ERR(gfs2_delete_workqueue)) {
> destroy_workqueue(glock_workqueue);
> diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c
> index ebef7ab..85ba027 100644
> --- a/fs/gfs2/main.c
> +++ b/fs/gfs2/main.c
> @@ -144,7 +144,7 @@ static int __init init_gfs2_fs(void)
>
> error = -ENOMEM;
> gfs_recovery_wq = alloc_workqueue("gfs_recovery",
> - WQ_MEM_RECLAIM | WQ_FREEZEABLE, 0);
> + WQ_MEM_RECLAIM | WQ_FREEZABLE, 0);
> if (!gfs_recovery_wq)
> goto fail_wq;
>
> diff --git a/include/linux/freezer.h b/include/linux/freezer.h
> index da7e52b..1effc8b 100644
> --- a/include/linux/freezer.h
> +++ b/include/linux/freezer.h
> @@ -109,7 +109,7 @@ static inline void freezer_count(void)
> }
>
> /*
> - * Check if the task should be counted as freezeable by the freezer
> + * Check if the task should be counted as freezable by the freezer
> */
> static inline int freezer_should_skip(struct task_struct *p)
> {
> diff --git a/include/linux/sched.h b/include/linux/sched.h
> index d747f94..777d8a5 100644
> --- a/include/linux/sched.h
> +++ b/include/linux/sched.h
> @@ -1744,7 +1744,7 @@ extern void thread_group_times(struct task_struct *p, cputime_t *ut, cputime_t *
> #define PF_MCE_EARLY 0x08000000 /* Early kill for mce process policy */
> #define PF_MEMPOLICY 0x10000000 /* Non-default NUMA mempolicy */
> #define PF_MUTEX_TESTER 0x20000000 /* Thread belongs to the rt mutex tester */
> -#define PF_FREEZER_SKIP 0x40000000 /* Freezer should not count it as freezeable */
> +#define PF_FREEZER_SKIP 0x40000000 /* Freezer should not count it as freezable */
> #define PF_FREEZER_NOSIG 0x80000000 /* Freezer won't send signals to it */
>
> /*
> diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
> index 1ac1158..f7998a3 100644
> --- a/include/linux/workqueue.h
> +++ b/include/linux/workqueue.h
> @@ -250,7 +250,7 @@ static inline unsigned int work_static(struct work_struct *work) { return 0; }
> enum {
> WQ_NON_REENTRANT = 1 << 0, /* guarantee non-reentrance */
> WQ_UNBOUND = 1 << 1, /* not bound to any cpu */
> - WQ_FREEZEABLE = 1 << 2, /* freeze during suspend */
> + WQ_FREEZABLE = 1 << 2, /* freeze during suspend */
> WQ_MEM_RECLAIM = 1 << 3, /* may be used for memory reclaim */
> WQ_HIGHPRI = 1 << 4, /* high priority */
> WQ_CPU_INTENSIVE = 1 << 5, /* cpu instensive workqueue */
> @@ -318,7 +318,7 @@ __alloc_workqueue_key(const char *name, unsigned int flags, int max_active,
> /**
> * alloc_ordered_workqueue - allocate an ordered workqueue
> * @name: name of the workqueue
> - * @flags: WQ_* flags (only WQ_FREEZEABLE and WQ_MEM_RECLAIM are meaningful)
> + * @flags: WQ_* flags (only WQ_FREEZABLE and WQ_MEM_RECLAIM are meaningful)
> *
> * Allocate an ordered workqueue. An ordered workqueue executes at
> * most one work item at any given time in the queued order. They are
> @@ -335,8 +335,8 @@ alloc_ordered_workqueue(const char *name, unsigned int flags)
>
> #define create_workqueue(name) \
> alloc_workqueue((name), WQ_MEM_RECLAIM, 1)
> -#define create_freezeable_workqueue(name) \
> - alloc_workqueue((name), WQ_FREEZEABLE | WQ_UNBOUND | WQ_MEM_RECLAIM, 1)
> +#define create_freezable_workqueue(name) \
> + alloc_workqueue((name), WQ_FREEZABLE | WQ_UNBOUND | WQ_MEM_RECLAIM, 1)
> #define create_singlethread_workqueue(name) \
> alloc_workqueue((name), WQ_UNBOUND | WQ_MEM_RECLAIM, 1)
>
> diff --git a/kernel/power/main.c b/kernel/power/main.c
> index 7b5db6a..7018530 100644
> --- a/kernel/power/main.c
> +++ b/kernel/power/main.c
> @@ -326,7 +326,7 @@ EXPORT_SYMBOL_GPL(pm_wq);
>
> static int __init pm_start_workqueue(void)
> {
> - pm_wq = alloc_workqueue("pm", WQ_FREEZEABLE, 0);
> + pm_wq = alloc_workqueue("pm", WQ_FREEZABLE, 0);
>
> return pm_wq ? 0 : -ENOMEM;
> }
> diff --git a/kernel/power/process.c b/kernel/power/process.c
> index d6d2a10..0cf3a27 100644
> --- a/kernel/power/process.c
> +++ b/kernel/power/process.c
> @@ -22,7 +22,7 @@
> */
> #define TIMEOUT (20 * HZ)
>
> -static inline int freezeable(struct task_struct * p)
> +static inline int freezable(struct task_struct * p)
> {
> if ((p == current) ||
> (p->flags & PF_NOFREEZE) ||
> @@ -53,7 +53,7 @@ static int try_to_freeze_tasks(bool sig_only)
> todo = 0;
> read_lock(&tasklist_lock);
> do_each_thread(g, p) {
> - if (frozen(p) || !freezeable(p))
> + if (frozen(p) || !freezable(p))
> continue;
>
> if (!freeze_task(p, sig_only))
> @@ -167,7 +167,7 @@ static void thaw_tasks(bool nosig_only)
>
> read_lock(&tasklist_lock);
> do_each_thread(g, p) {
> - if (!freezeable(p))
> + if (!freezable(p))
> continue;
>
> if (nosig_only && should_send_signal(p))
> diff --git a/kernel/workqueue.c b/kernel/workqueue.c
> index 90a17ca..88a3e34 100644
> --- a/kernel/workqueue.c
> +++ b/kernel/workqueue.c
> @@ -2965,7 +2965,7 @@ struct workqueue_struct *__alloc_workqueue_key(const char *name,
> */
> spin_lock(&workqueue_lock);
>
> - if (workqueue_freezing && wq->flags & WQ_FREEZEABLE)
> + if (workqueue_freezing && wq->flags & WQ_FREEZABLE)
> for_each_cwq_cpu(cpu, wq)
> get_cwq(cpu, wq)->max_active = 0;
>
> @@ -3077,7 +3077,7 @@ void workqueue_set_max_active(struct workqueue_struct *wq, int max_active)
>
> spin_lock_irq(&gcwq->lock);
>
> - if (!(wq->flags & WQ_FREEZEABLE) ||
> + if (!(wq->flags & WQ_FREEZABLE) ||
> !(gcwq->flags & GCWQ_FREEZING))
> get_cwq(gcwq->cpu, wq)->max_active = max_active;
>
> @@ -3327,7 +3327,7 @@ static int __cpuinit trustee_thread(void *__gcwq)
> * want to get it over with ASAP - spam rescuers, wake up as
> * many idlers as necessary and create new ones till the
> * worklist is empty. Note that if the gcwq is frozen, there
> - * may be frozen works in freezeable cwqs. Don't declare
> + * may be frozen works in freezable cwqs. Don't declare
> * completion while frozen.
> */
> while (gcwq->nr_workers != gcwq->nr_idle ||
> @@ -3585,9 +3585,9 @@ EXPORT_SYMBOL_GPL(work_on_cpu);
> /**
> * freeze_workqueues_begin - begin freezing workqueues
> *
> - * Start freezing workqueues. After this function returns, all
> - * freezeable workqueues will queue new works to their frozen_works
> - * list instead of gcwq->worklist.
> + * Start freezing workqueues. After this function returns, all freezable
> + * workqueues will queue new works to their frozen_works list instead of
> + * gcwq->worklist.
> *
> * CONTEXT:
> * Grabs and releases workqueue_lock and gcwq->lock's.
> @@ -3613,7 +3613,7 @@ void freeze_workqueues_begin(void)
> list_for_each_entry(wq, &workqueues, list) {
> struct cpu_workqueue_struct *cwq = get_cwq(cpu, wq);
>
> - if (cwq && wq->flags & WQ_FREEZEABLE)
> + if (cwq && wq->flags & WQ_FREEZABLE)
> cwq->max_active = 0;
> }
>
> @@ -3624,7 +3624,7 @@ void freeze_workqueues_begin(void)
> }
>
> /**
> - * freeze_workqueues_busy - are freezeable workqueues still busy?
> + * freeze_workqueues_busy - are freezable workqueues still busy?
> *
> * Check whether freezing is complete. This function must be called
> * between freeze_workqueues_begin() and thaw_workqueues().
> @@ -3633,8 +3633,8 @@ void freeze_workqueues_begin(void)
> * Grabs and releases workqueue_lock.
> *
> * RETURNS:
> - * %true if some freezeable workqueues are still busy. %false if
> - * freezing is complete.
> + * %true if some freezable workqueues are still busy. %false if freezing
> + * is complete.
> */
> bool freeze_workqueues_busy(void)
> {
> @@ -3654,7 +3654,7 @@ bool freeze_workqueues_busy(void)
> list_for_each_entry(wq, &workqueues, list) {
> struct cpu_workqueue_struct *cwq = get_cwq(cpu, wq);
>
> - if (!cwq || !(wq->flags & WQ_FREEZEABLE))
> + if (!cwq || !(wq->flags & WQ_FREEZABLE))
> continue;
>
> BUG_ON(cwq->nr_active < 0);
> @@ -3699,7 +3699,7 @@ void thaw_workqueues(void)
> list_for_each_entry(wq, &workqueues, list) {
> struct cpu_workqueue_struct *cwq = get_cwq(cpu, wq);
>
> - if (!cwq || !(wq->flags & WQ_FREEZEABLE))
> + if (!cwq || !(wq->flags & WQ_FREEZABLE))
> continue;
>
> /* restore max_active and repopulate worklist */
>
--
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