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

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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: Tejun Heo <tj@kernel.org>
This commit is contained in:
Tejun Heo 2013-03-13 16:51:36 -07:00
parent c5aa87bbf4
commit 611c92a020
1 changed files with 8 additions and 8 deletions
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16
kernel/workqueue.c
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@ -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);