函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\dcache.c Create Date:2022-07-29 10:37:27
Last Modify:2020-03-18 10:27:32 Copyright©Brick
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函数名称：dput_to_list

函数原型：void dput_to_list(struct dentry *dentry, struct list_head *list)

返回类型：void

参数：

类型参数名称
struct dentry *dentry
struct list_head *list
880  _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
881  如果此条件成立可能性大(为编译器优化)(Try to do a lockless dput(), and return whether that was successful)则
882  _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()
883  返回
885  _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()
886  如果非retain_dentry(dentry)则__dput_to_list(dentry, list)
888  自旋锁解锁
调用者
名称描述
__put_mountpointvfsmount lock must be held. Additionally, the caller is responsible* for serializing calls for given disposal list.