函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\elevator.c Create Date:2022-07-27 18:33:08
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：lv_unregister_queue is called from either blk_unregister_queue or* elevator_switch, elevator switch is prevented from being happen* in the two paths, so it is safe to not hold q->sysfs_lock.

函数原型：void elv_unregister_queue(struct request_queue *q)

返回类型：void

参数：

类型参数名称
struct request_queue *q
518  如果q则
519  e等于elevator
521  通过发送一个uevent通知用户空间
522  解除对象
524  registered等于0
526  wbt_enable_default(q)
调用者
名称描述
elevator_switch_mq
blk_unregister_queuelk_unregister_queue - counterpart of blk_register_queue()*@disk: Disk of which the request queue should be unregistered from sysfs.* Note: the caller is responsible for guaranteeing that this function is called* after blk_register_queue() has finished.