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Message-ID: <20090120153131.71aa32f1@gondolin>
Date: Tue, 20 Jan 2009 15:31:31 +0100
From: Cornelia Huck <cornelia.huck@...ibm.com>
To: Arjan van de Ven <arjan@...radead.org>
Cc: Dave Chinner <david@...morbit.com>, linux-kernel@...r.kernel.org
Subject: [PATCH] async: Rename _special -> _domain for clarity.
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@...ibm.com>
---
fs/super.c | 4 ++--
include/linux/async.h | 8 +++++---
kernel/async.c | 41 ++++++++++++++++++++++-------------------
3 files changed, 29 insertions(+), 24 deletions(-)
--- linux-2.6.orig/include/linux/async.h
+++ linux-2.6/include/linux/async.h
@@ -17,9 +17,11 @@ typedef u64 async_cookie_t;
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_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_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_special(async_cookie_t cookie, struct list_head *list);
+extern void async_synchronize_cookie_domain(async_cookie_t cookie,
+ struct list_head *list);
--- linux-2.6.orig/kernel/async.c
+++ linux-2.6/kernel/async.c
@@ -221,22 +221,23 @@ async_cookie_t async_schedule(async_func
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
* @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.
- * @running may be used in the async_synchronize_*_special() functions
- * to wait on a special running queue rather than on the global running
- * queue.
+ * @running may be used in the async_synchronize_*_domain() functions
+ * to wait within a certain synchronization domain rather than globally.
+ * A synchronization domain is specified via the running queue @running to use.
* 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);
}
-EXPORT_SYMBOL_GPL(async_schedule_special);
+EXPORT_SYMBOL_GPL(async_schedule_domain);
/**
* async_synchronize_full - synchronize all asynchronous function calls
@@ -252,27 +253,29 @@ void async_synchronize_full(void)
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
*
- * This function waits until all asynchronous function calls for the running
- * list @list have been done.
+ * This function waits until all asynchronous function calls for the
+ * 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
* @running: running list to synchronize on
*
- * This function waits until all asynchronous function calls for the running
- * list @list submitted prior to @cookie have been done.
+ * This function waits until all asynchronous function calls for the
+ * 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;
@@ -291,7 +294,7 @@ void async_synchronize_cookie_special(as
task_pid_nr(current), 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
@@ -302,7 +305,7 @@ EXPORT_SYMBOL_GPL(async_synchronize_cook
*/
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);
--- linux-2.6.orig/fs/super.c
+++ linux-2.6/fs/super.c
@@ -301,7 +301,7 @@ void generic_shutdown_super(struct super
/*
* 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() */
invalidate_inodes(sb);
@@ -470,7 +470,7 @@ restart:
sb->s_count++;
spin_unlock(&sb_lock);
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))
sb->s_op->sync_fs(sb, wait);
up_read(&sb->s_umount);
--
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