workqueue: remove worker_pool->gcwq
The only remaining user of pool->gcwq is std_worker_pool_pri(). Reimplement it using get_gcwq() and remove worker_pool->gcwq. This is part of an effort to remove global_cwq and make worker_pool the top level abstraction, which in turn will help implementing worker pools with user-specified attributes. Signed-off-by: Tejun Heo <tj@kernel.org> Reviewed-by: Lai Jiangshan <laijs@cn.fujitsu.com>
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@ -123,7 +123,6 @@ enum {
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/* struct worker is defined in workqueue_internal.h */
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/* struct worker is defined in workqueue_internal.h */
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struct worker_pool {
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struct worker_pool {
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struct global_cwq *gcwq; /* I: the owning gcwq */
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spinlock_t lock; /* the pool lock */
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spinlock_t lock; /* the pool lock */
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unsigned int cpu; /* I: the associated cpu */
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unsigned int cpu; /* I: the associated cpu */
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int id; /* I: pool ID */
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int id; /* I: pool ID */
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@ -451,11 +450,6 @@ static DEFINE_IDR(worker_pool_idr);
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static int worker_thread(void *__worker);
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static int worker_thread(void *__worker);
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static int std_worker_pool_pri(struct worker_pool *pool)
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{
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return pool - pool->gcwq->pools;
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}
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static struct global_cwq *get_gcwq(unsigned int cpu)
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static struct global_cwq *get_gcwq(unsigned int cpu)
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{
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{
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if (cpu != WORK_CPU_UNBOUND)
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if (cpu != WORK_CPU_UNBOUND)
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@ -464,6 +458,11 @@ static struct global_cwq *get_gcwq(unsigned int cpu)
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return &unbound_global_cwq;
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return &unbound_global_cwq;
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}
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}
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static int std_worker_pool_pri(struct worker_pool *pool)
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{
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return pool - get_gcwq(pool->cpu)->pools;
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}
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/* allocate ID and assign it to @pool */
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/* allocate ID and assign it to @pool */
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static int worker_pool_assign_id(struct worker_pool *pool)
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static int worker_pool_assign_id(struct worker_pool *pool)
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{
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{
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@ -3818,7 +3817,6 @@ static int __init init_workqueues(void)
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struct worker_pool *pool;
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struct worker_pool *pool;
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for_each_std_worker_pool(pool, cpu) {
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for_each_std_worker_pool(pool, cpu) {
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pool->gcwq = get_gcwq(cpu);
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spin_lock_init(&pool->lock);
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spin_lock_init(&pool->lock);
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pool->cpu = cpu;
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pool->cpu = cpu;
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pool->flags |= POOL_DISASSOCIATED;
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pool->flags |= POOL_DISASSOCIATED;
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