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async: rename and redefine async_func_ptr

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A function type is typically defined as
typedef ret_type (*func)(args..)

but async_func_ptr is not.  Redefine it.

Also rename async_func_ptr to async_func_t for _func_t suffix is more generic.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Arjan van de Ven <arjan@linux.intel.com>
This commit is contained in:
Lai Jiangshan 2013-03-12 13:59:14 -07:00 • committed by Tejun Heo
parent cc2a8b1a55
commit 362f2b098b
3 changed files with 14 additions and 14 deletions
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20
kernel/async.c
View file

@ -73,7 +73,7 @@ struct async_entry {
struct list_head global_list;
struct work_struct work;
async_cookie_t cookie;
async_func_ptr *func;
async_func_t func;
void *data;
struct async_domain *domain;
};
@ -145,7 +145,7 @@ static void async_run_entry_fn(struct work_struct *work)
wake_up(&async_done);
}
static async_cookie_t __async_schedule(async_func_ptr *ptr, void *data, struct async_domain *domain)
static async_cookie_t __async_schedule(async_func_t func, void *data, struct async_domain *domain)
{
struct async_entry *entry;
unsigned long flags;
@ -165,13 +165,13 @@ static async_cookie_t __async_schedule(async_func_ptr *ptr, void *data, struct a
spin_unlock_irqrestore(&async_lock, flags);
/* low on memory.. run synchronously */
ptr(data, newcookie);
func(data, newcookie);
return newcookie;
}
INIT_LIST_HEAD(&entry->domain_list);
INIT_LIST_HEAD(&entry->global_list);
INIT_WORK(&entry->work, async_run_entry_fn);
entry->func = ptr;
entry->func = func;
entry->data = data;
entry->domain = domain;
@ -198,21 +198,21 @@ static async_cookie_t __async_schedule(async_func_ptr *ptr, void *data, struct a
/**
* async_schedule - schedule a function for asynchronous execution
* @ptr: function to execute asynchronously
* @func: function to execute asynchronously
* @data: data pointer to pass to the function
*
* Returns an async_cookie_t that may be used for checkpointing later.
* Note: This function may be called from atomic or non-atomic contexts.
*/
async_cookie_t async_schedule(async_func_ptr *ptr, void *data)
async_cookie_t async_schedule(async_func_t func, void *data)
{
return __async_schedule(ptr, data, &async_dfl_domain);
return __async_schedule(func, data, &async_dfl_domain);
}
EXPORT_SYMBOL_GPL(async_schedule);
/**
* async_schedule_domain - schedule a function for asynchronous execution within a certain domain
* @ptr: function to execute asynchronously
* @func: function to execute asynchronously
* @data: data pointer to pass to the function
* @domain: the domain
*
@ -222,10 +222,10 @@ EXPORT_SYMBOL_GPL(async_schedule);
* synchronization domain is specified via @domain. Note: This function
* may be called from atomic or non-atomic contexts.
*/
async_cookie_t async_schedule_domain(async_func_ptr *ptr, void *data,
async_cookie_t async_schedule_domain(async_func_t func, void *data,
struct async_domain *domain)
{
return __async_schedule(ptr, data, domain);
return __async_schedule(func, data, domain);
}
EXPORT_SYMBOL_GPL(async_schedule_domain);