函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\blk-pm.c Create Date:2022-07-27 19:48:28
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:lk_post_runtime_suspend - Post runtime suspend processing*@q: the queue of the device*@err: return value of the device's runtime_suspend function* Description:* Update the queue's runtime status according to the return value of the* device's runtime

函数原型:void blk_post_runtime_suspend(struct request_queue *q, int err)

返回类型:void

参数:

类型参数名称
struct request_queue *q
interr
121  如果非dev则返回
124  spin_lock_irq( & queue_lock)
125  如果非err
126  rpm_status等于RPM_SUSPENDED
127  否则
128  rpm_status等于RPM_ACTIVE
129  pm_runtime_mark_last_busy(dev)
131  spin_unlock_irq( & queue_lock)
133  如果errblk_clear_pm_only(q)