blkcg_deactivate

函数名称：lkcg_deactivate_policy - deactivate a blkcg policy on a request_queue*@q: request_queue of interest*@pol: blkcg policy to deactivate* Deactivate @pol on @q. Follows the same synchronization rules as* blkcg_activate_policy().

函数原型：void blkcg_deactivate_policy(struct request_queue *q, const struct blkcg_policy *pol)

返回类型：void

参数：

类型	参数	名称
struct request_queue *	q
const struct blkcg_policy *	pol

1342

如果非blkcg_policy_enabled(q, pol)则返回

1345

如果queue_is_mq(q)则blk_mq_freeze_queue(q)

1348

spin_lock_irq( & queue_lock)

1350

__clear_bit - Clears a bit in memory*@nr: the bit to clear*@addr: the address to start counting from* Unlike clear_bit(), this function is non-atomic. If it is called on the same* region of memory concurrently, the effect may be that only one operation

1353

如果pd[plid]则

1354

如果pd_offline_fn则pd_offline_fn(pd[plid])

1356

pd_free_fn(pd[plid])

1357

pd[plid] = NULL

1361

spin_unlock_irq( & queue_lock)

1363

如果queue_is_mq(q)则blk_mq_unfreeze_queue(q)

**调用者**
名称	描述
blk_throtl_exit
blkcg_iolatency_exit
ioc_rqos_exit

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码

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