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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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2
arch/sh/drivers/pci/pcie-sh7786.c
View File

@ -35,7 +35,7 @@ static unsigned int nr_ports;
static struct sh7786_pcie_hwops {
int (*core_init)(void);
async_func_ptr *port_init_hw;
async_func_t port_init_hw;
} *sh7786_pcie_hwops;
static struct resource sh7786_pci0_resources[] = {

6
include/linux/async.h
View File

@ -16,7 +16,7 @@
#include <linux/list.h>
typedef u64 async_cookie_t;
typedef void (async_func_ptr) (void *data, async_cookie_t cookie);
typedef void (*async_func_t) (void *data, async_cookie_t cookie);
struct async_domain {
struct list_head pending;
unsigned registered:1;
@ -37,8 +37,8 @@ struct async_domain {
struct async_domain _name = { .pending = LIST_HEAD_INIT(_name.pending), \
.registered = 0 }
extern async_cookie_t async_schedule(async_func_ptr *ptr, void *data);
extern async_cookie_t async_schedule_domain(async_func_ptr *ptr, void *data,
extern async_cookie_t async_schedule(async_func_t func, void *data);
extern async_cookie_t async_schedule_domain(async_func_t func, void *data,
struct async_domain *domain);
void async_unregister_domain(struct async_domain *domain);
extern void async_synchronize_full(void);

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);