函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\fs_pin.c Create Date:2022-07-29 10:43:26
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：mnt_pin_kill

函数原型：void mnt_pin_kill(struct mount *m)

返回类型：void

参数：

类型参数名称
struct mount *m
73  当1循环
75  _read_lock() - mark the beginning of an RCU read-side critical section* When synchronize_rcu() is invoked on one CPU while other CPUs* are within RCU read-side critical sections, then the* synchronize_rcu() is guaranteed to block until after all the other
76  p等于READ_ONCE(first)
77  如果非p则
78  _read_unlock() - marks the end of an RCU read-side critical section.* In most situations, rcu_read_unlock() is immune from deadlock.* However, in kernels built with CONFIG_RCU_BOOST, rcu_read_unlock()
79  退出
81  pin_kill(hlist_entry(p, structfs_pin, m_list))