函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\percpu-rwsem.h Create Date:2022-07-27 06:44:01
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：percpu_up_read

函数原型：static inline void percpu_up_read(struct percpu_rw_semaphore *sem)

返回类型：void

参数：

类型参数名称
struct percpu_rw_semaphore *sem
86  禁止抢占()
90  如果此条件成立可能性大(为编译器优化)(_sync_is_idle() - Are readers permitted to use their fastpaths?*@rsp: Pointer to rcu_sync structure to use for synchronization* Returns true if readers are permitted to use their fastpaths. Must be)则__this_cpu_dec( * read_count)
92  否则__percpu_up_read(sem)
94  禁用抢占和中断()
96  rwsem_release( & dep_map, _RET_IP_)
调用者
名称描述
torture_percpu_rwsem_up_read
cpuset_read_unlock
uprobe_end_dup_mmap
put_online_mems
__sb_end_writeThis is an internal function, please use sb_end_{write,pagefault,intwrite}* instead.
flock_lock_inodeTry to create a FLOCK lock on filp
posix_lock_inode
__break_lease撤销所有未偿还的文件
fcntl_getlease获取当前文件租约
generic_add_lease
generic_delete_lease
locks_remove_leaseThe i_flctx must be valid when calling into here
cgroup_threadgroup_change_end摘除线程组完成