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Commit 611c92a0 authored by Tejun Heo's avatar Tejun Heo
Browse files

workqueue: rename @id to @pi in for_each_each_pool() 



Rename @id argument of for_each_pool() to @pi so that it doesn't get
reused accidentally when for_each_pool() is used in combination with
other iterators.

This patch is purely cosmetic.

Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent c5aa87bb

kernel/workqueue.c

+8 −8
Original line number Diff line number Diff line
@@ -283,7 +283,7 @@ EXPORT_SYMBOL_GPL(system_freezable_wq); 
/**

 * for_each_pool - iterate through all worker_pools in the system

 * @pool: iteration cursor

 * @id: integer used for iteration

 * @pi: integer used for iteration

 *

 * This must be called either with workqueue_lock held or sched RCU read

 * locked.  If the pool needs to be used beyond the locking in effect, the
@@ -292,8 +292,8 @@ EXPORT_SYMBOL_GPL(system_freezable_wq); 
 * The if/else clause exists only for the lockdep assertion and can be

 * ignored.

 */

#define for_each_pool(pool, id)						\

	idr_for_each_entry(&worker_pool_idr, pool, id)			\

#define for_each_pool(pool, pi)						\

	idr_for_each_entry(&worker_pool_idr, pool, pi)			\

		if (({ assert_rcu_or_wq_lock(); false; })) { }		\

		else
@@ -4354,7 +4354,7 @@ void freeze_workqueues_begin(void) 
	struct worker_pool *pool;

	struct workqueue_struct *wq;

	struct pool_workqueue *pwq;

	int id;

	int pi;



	spin_lock_irq(&workqueue_lock);
@@ -4362,7 +4362,7 @@ void freeze_workqueues_begin(void) 
	workqueue_freezing = true;



	/* set FREEZING */

	for_each_pool(pool, id) {

	for_each_pool(pool, pi) {

		spin_lock(&pool->lock);

		WARN_ON_ONCE(pool->flags & POOL_FREEZING);

		pool->flags |= POOL_FREEZING;
@@ -4435,7 +4435,7 @@ void thaw_workqueues(void) 
	struct workqueue_struct *wq;

	struct pool_workqueue *pwq;

	struct worker_pool *pool;

	int id;

	int pi;



	spin_lock_irq(&workqueue_lock);
@@ -4443,7 +4443,7 @@ void thaw_workqueues(void) 
		goto out_unlock;



	/* clear FREEZING */

	for_each_pool(pool, id) {

	for_each_pool(pool, pi) {

		spin_lock(&pool->lock);

		WARN_ON_ONCE(!(pool->flags & POOL_FREEZING));

		pool->flags &= ~POOL_FREEZING;
@@ -4457,7 +4457,7 @@ void thaw_workqueues(void) 
	}



	/* kick workers */

	for_each_pool(pool, id) {

	for_each_pool(pool, pi) {

		spin_lock(&pool->lock);

		wake_up_worker(pool);

		spin_unlock(&pool->lock);