diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/kmod.c | 16 | ||||
| -rw-r--r-- | kernel/kthread.c | 13 | ||||
| -rw-r--r-- | kernel/power/poweroff.c | 4 | ||||
| -rw-r--r-- | kernel/sys.c | 4 | ||||
| -rw-r--r-- | kernel/workqueue.c | 19 |
5 files changed, 30 insertions, 26 deletions
diff --git a/kernel/kmod.c b/kernel/kmod.c index bb4e29d924e4..7dc7a9dad6ac 100644 --- a/kernel/kmod.c +++ b/kernel/kmod.c @@ -114,6 +114,7 @@ EXPORT_SYMBOL(request_module); #endif /* CONFIG_KMOD */ struct subprocess_info { + struct work_struct work; struct completion *complete; char *path; char **argv; @@ -221,9 +222,10 @@ static int wait_for_helper(void *data) } /* This is run by khelper thread */ -static void __call_usermodehelper(void *data) +static void __call_usermodehelper(struct work_struct *work) { - struct subprocess_info *sub_info = data; + struct subprocess_info *sub_info = + container_of(work, struct subprocess_info, work); pid_t pid; int wait = sub_info->wait; @@ -264,6 +266,8 @@ int call_usermodehelper_keys(char *path, char **argv, char **envp, { DECLARE_COMPLETION_ONSTACK(done); struct subprocess_info sub_info = { + .work = __WORK_INITIALIZER(sub_info.work, + __call_usermodehelper), .complete = &done, .path = path, .argv = argv, @@ -272,7 +276,6 @@ int call_usermodehelper_keys(char *path, char **argv, char **envp, .wait = wait, .retval = 0, }; - DECLARE_WORK(work, __call_usermodehelper, &sub_info); if (!khelper_wq) return -EBUSY; @@ -280,7 +283,7 @@ int call_usermodehelper_keys(char *path, char **argv, char **envp, if (path[0] == '\0') return 0; - queue_work(khelper_wq, &work); + queue_work(khelper_wq, &sub_info.work); wait_for_completion(&done); return sub_info.retval; } @@ -291,6 +294,8 @@ int call_usermodehelper_pipe(char *path, char **argv, char **envp, { DECLARE_COMPLETION(done); struct subprocess_info sub_info = { + .work = __WORK_INITIALIZER(sub_info.work, + __call_usermodehelper), .complete = &done, .path = path, .argv = argv, @@ -298,7 +303,6 @@ int call_usermodehelper_pipe(char *path, char **argv, char **envp, .retval = 0, }; struct file *f; - DECLARE_WORK(work, __call_usermodehelper, &sub_info); if (!khelper_wq) return -EBUSY; @@ -318,7 +322,7 @@ int call_usermodehelper_pipe(char *path, char **argv, char **envp, } sub_info.stdin = f; - queue_work(khelper_wq, &work); + queue_work(khelper_wq, &sub_info.work); wait_for_completion(&done); return sub_info.retval; } diff --git a/kernel/kthread.c b/kernel/kthread.c index 4f9c60ef95e8..1db8c72d0d38 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c @@ -31,6 +31,8 @@ struct kthread_create_info /* Result passed back to kthread_create() from keventd. */ struct task_struct *result; struct completion done; + + struct work_struct work; }; struct kthread_stop_info @@ -111,9 +113,10 @@ static int kthread(void *_create) } /* We are keventd: create a thread. */ -static void keventd_create_kthread(void *_create) +static void keventd_create_kthread(struct work_struct *work) { - struct kthread_create_info *create = _create; + struct kthread_create_info *create = + container_of(work, struct kthread_create_info, work); int pid; /* We want our own signal handler (we take no signals by default). */ @@ -154,20 +157,20 @@ struct task_struct *kthread_create(int (*threadfn)(void *data), ...) { struct kthread_create_info create; - DECLARE_WORK(work, keventd_create_kthread, &create); create.threadfn = threadfn; create.data = data; init_completion(&create.started); init_completion(&create.done); + INIT_WORK(&create.work, keventd_create_kthread); /* * The workqueue needs to start up first: */ if (!helper_wq) - work.func(work.data); + create.work.func(&create.work); else { - queue_work(helper_wq, &work); + queue_work(helper_wq, &create.work); wait_for_completion(&create.done); } if (!IS_ERR(create.result)) { diff --git a/kernel/power/poweroff.c b/kernel/power/poweroff.c index f1f900ac3164..678ec736076b 100644 --- a/kernel/power/poweroff.c +++ b/kernel/power/poweroff.c @@ -16,12 +16,12 @@ * callback we use. */ -static void do_poweroff(void *dummy) +static void do_poweroff(struct work_struct *dummy) { kernel_power_off(); } -static DECLARE_WORK(poweroff_work, do_poweroff, NULL); +static DECLARE_WORK(poweroff_work, do_poweroff); static void handle_poweroff(int key, struct tty_struct *tty) { diff --git a/kernel/sys.c b/kernel/sys.c index 98489d82801b..c87b461de38d 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -880,7 +880,7 @@ asmlinkage long sys_reboot(int magic1, int magic2, unsigned int cmd, void __user return 0; } -static void deferred_cad(void *dummy) +static void deferred_cad(struct work_struct *dummy) { kernel_restart(NULL); } @@ -892,7 +892,7 @@ static void deferred_cad(void *dummy) */ void ctrl_alt_del(void) { - static DECLARE_WORK(cad_work, deferred_cad, NULL); + static DECLARE_WORK(cad_work, deferred_cad); if (C_A_D) schedule_work(&cad_work); diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 967479756511..8d1e7cb8a51a 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -241,14 +241,14 @@ static void run_workqueue(struct cpu_workqueue_struct *cwq) struct work_struct *work = list_entry(cwq->worklist.next, struct work_struct, entry); work_func_t f = work->func; - void *data = work->data; list_del_init(cwq->worklist.next); spin_unlock_irqrestore(&cwq->lock, flags); BUG_ON(get_wq_data(work) != cwq); - clear_bit(WORK_STRUCT_PENDING, &work->management); - f(data); + if (!test_bit(WORK_STRUCT_NOAUTOREL, &work->management)) + work_release(work); + f(work); spin_lock_irqsave(&cwq->lock, flags); cwq->remove_sequence++; @@ -527,7 +527,6 @@ EXPORT_SYMBOL(schedule_delayed_work_on); /** * schedule_on_each_cpu - call a function on each online CPU from keventd * @func: the function to call - * @info: a pointer to pass to func() * * Returns zero on success. * Returns -ve errno on failure. @@ -536,7 +535,7 @@ EXPORT_SYMBOL(schedule_delayed_work_on); * * schedule_on_each_cpu() is very slow. */ -int schedule_on_each_cpu(work_func_t func, void *info) +int schedule_on_each_cpu(work_func_t func) { int cpu; struct work_struct *works; @@ -547,7 +546,7 @@ int schedule_on_each_cpu(work_func_t func, void *info) mutex_lock(&workqueue_mutex); for_each_online_cpu(cpu) { - INIT_WORK(per_cpu_ptr(works, cpu), func, info); + INIT_WORK(per_cpu_ptr(works, cpu), func); __queue_work(per_cpu_ptr(keventd_wq->cpu_wq, cpu), per_cpu_ptr(works, cpu)); } @@ -591,7 +590,6 @@ EXPORT_SYMBOL(cancel_rearming_delayed_work); /** * execute_in_process_context - reliably execute the routine with user context * @fn: the function to execute - * @data: data to pass to the function * @ew: guaranteed storage for the execute work structure (must * be available when the work executes) * @@ -601,15 +599,14 @@ EXPORT_SYMBOL(cancel_rearming_delayed_work); * Returns: 0 - function was executed * 1 - function was scheduled for execution */ -int execute_in_process_context(work_func_t fn, void *data, - struct execute_work *ew) +int execute_in_process_context(work_func_t fn, struct execute_work *ew) { if (!in_interrupt()) { - fn(data); + fn(&ew->work); return 0; } - INIT_WORK(&ew->work, fn, data); + INIT_WORK(&ew->work, fn); schedule_work(&ew->work); return 1; |