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async: Rename _special -> _domain for clarity.

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Rename the async_*_special() functions to async_*_domain(), which
describes the purpose of these functions much better.
[Broke up long lines to silence checkpatch]

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
This commit is contained in:
Cornelia Huck 2009-01-20 15:31:31 +01:00 committed by Arjan van de Ven
parent f30d5b307c
commit 766ccb9ed4
3 changed files with 29 additions and 24 deletions
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4
fs/super.c
View File

@ -301,7 +301,7 @@ void generic_shutdown_super(struct super_block *sb)
/* /*
* wait for asynchronous fs operations to finish before going further * wait for asynchronous fs operations to finish before going further
*/ */
async_synchronize_full_special(&sb->s_async_list); async_synchronize_full_domain(&sb->s_async_list);
/* bad name - it should be evict_inodes() */ /* bad name - it should be evict_inodes() */
invalidate_inodes(sb); invalidate_inodes(sb);
@ -470,7 +470,7 @@ restart:
sb->s_count++; sb->s_count++;
spin_unlock(&sb_lock); spin_unlock(&sb_lock);
down_read(&sb->s_umount); down_read(&sb->s_umount);
async_synchronize_full_special(&sb->s_async_list); async_synchronize_full_domain(&sb->s_async_list);
if (sb->s_root && (wait || sb->s_dirt)) if (sb->s_root && (wait || sb->s_dirt))
sb->s_op->sync_fs(sb, wait); sb->s_op->sync_fs(sb, wait);
up_read(&sb->s_umount); up_read(&sb->s_umount);

8
include/linux/async.h
View File

@ -17,9 +17,11 @@ typedef u64 async_cookie_t;
typedef void (async_func_ptr) (void *data, async_cookie_t cookie); typedef void (async_func_ptr) (void *data, async_cookie_t cookie);
extern async_cookie_t async_schedule(async_func_ptr *ptr, void *data); extern async_cookie_t async_schedule(async_func_ptr *ptr, void *data);
extern async_cookie_t async_schedule_special(async_func_ptr *ptr, void *data, struct list_head *list); extern async_cookie_t async_schedule_domain(async_func_ptr *ptr, void *data,
struct list_head *list);
extern void async_synchronize_full(void); extern void async_synchronize_full(void);
extern void async_synchronize_full_special(struct list_head *list); extern void async_synchronize_full_domain(struct list_head *list);
extern void async_synchronize_cookie(async_cookie_t cookie); extern void async_synchronize_cookie(async_cookie_t cookie);
extern void async_synchronize_cookie_special(async_cookie_t cookie, struct list_head *list); extern void async_synchronize_cookie_domain(async_cookie_t cookie,
struct list_head *list);

41
kernel/async.c
View File

@ -224,22 +224,23 @@ async_cookie_t async_schedule(async_func_ptr *ptr, void *data)
EXPORT_SYMBOL_GPL(async_schedule); EXPORT_SYMBOL_GPL(async_schedule);
/** /**
* async_schedule_special - schedule a function for asynchronous execution with a special running queue * async_schedule_domain - schedule a function for asynchronous execution within a certain domain
* @ptr: function to execute asynchronously * @ptr: function to execute asynchronously
* @data: data pointer to pass to the function * @data: data pointer to pass to the function
* @running: list head to add to while running * @running: running list for the domain
* *
* Returns an async_cookie_t that may be used for checkpointing later. * Returns an async_cookie_t that may be used for checkpointing later.
* @running may be used in the async_synchronize_*_special() functions * @running may be used in the async_synchronize_*_domain() functions
* to wait on a special running queue rather than on the global running * to wait within a certain synchronization domain rather than globally.
* queue. * A synchronization domain is specified via the running queue @running to use.
* Note: This function may be called from atomic or non-atomic contexts. * Note: This function may be called from atomic or non-atomic contexts.
*/ */
async_cookie_t async_schedule_special(async_func_ptr *ptr, void *data, struct list_head *running) async_cookie_t async_schedule_domain(async_func_ptr *ptr, void *data,
struct list_head *running)
{ {
return __async_schedule(ptr, data, running); return __async_schedule(ptr, data, running);
} }
EXPORT_SYMBOL_GPL(async_schedule_special); EXPORT_SYMBOL_GPL(async_schedule_domain);
/** /**
* async_synchronize_full - synchronize all asynchronous function calls * async_synchronize_full - synchronize all asynchronous function calls
@ -255,27 +256,29 @@ void async_synchronize_full(void)
EXPORT_SYMBOL_GPL(async_synchronize_full); EXPORT_SYMBOL_GPL(async_synchronize_full);
/** /**
* async_synchronize_full_special - synchronize all asynchronous function calls for a running list * async_synchronize_full_domain - synchronize all asynchronous function within a certain domain
* @list: running list to synchronize on * @list: running list to synchronize on
* *
* This function waits until all asynchronous function calls for the running * This function waits until all asynchronous function calls for the
* list @list have been done. * synchronization domain specified by the running list @list have been done.
*/ */
void async_synchronize_full_special(struct list_head *list) void async_synchronize_full_domain(struct list_head *list)
{ {
async_synchronize_cookie_special(next_cookie, list); async_synchronize_cookie_domain(next_cookie, list);
} }
EXPORT_SYMBOL_GPL(async_synchronize_full_special); EXPORT_SYMBOL_GPL(async_synchronize_full_domain);
/** /**
* async_synchronize_cookie_special - synchronize asynchronous function calls on a running list with cookie checkpointing * async_synchronize_cookie_domain - synchronize asynchronous function calls within a certain domain with cookie checkpointing
* @cookie: async_cookie_t to use as checkpoint * @cookie: async_cookie_t to use as checkpoint
* @running: running list to synchronize on * @running: running list to synchronize on
* *
* This function waits until all asynchronous function calls for the running * This function waits until all asynchronous function calls for the
* list @list submitted prior to @cookie have been done. * synchronization domain specified by the running list @list submitted
* prior to @cookie have been done.
*/ */
void async_synchronize_cookie_special(async_cookie_t cookie, struct list_head *running) void async_synchronize_cookie_domain(async_cookie_t cookie,
struct list_head *running)
{ {
ktime_t starttime, delta, endtime; ktime_t starttime, delta, endtime;
@ -295,7 +298,7 @@ void async_synchronize_cookie_special(async_cookie_t cookie, struct list_head *r
(long long)ktime_to_ns(delta) >> 10); (long long)ktime_to_ns(delta) >> 10);
} }
} }
EXPORT_SYMBOL_GPL(async_synchronize_cookie_special); EXPORT_SYMBOL_GPL(async_synchronize_cookie_domain);
/** /**
* async_synchronize_cookie - synchronize asynchronous function calls with cookie checkpointing * async_synchronize_cookie - synchronize asynchronous function calls with cookie checkpointing
@ -306,7 +309,7 @@ EXPORT_SYMBOL_GPL(async_synchronize_cookie_special);
*/ */
void async_synchronize_cookie(async_cookie_t cookie) void async_synchronize_cookie(async_cookie_t cookie)
{ {
async_synchronize_cookie_special(cookie, &async_running); async_synchronize_cookie_domain(cookie, &async_running);
} }
EXPORT_SYMBOL_GPL(async_synchronize_cookie); EXPORT_SYMBOL_GPL(async_synchronize_cookie);