函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\locks.c Create Date:2022-07-29 10:59:17
Last Modify:2020-03-12 14:18:49 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：Free a lock which is not in use.

函数原型：void locks_free_lock(struct file_lock *fl)

返回类型：void

参数：

类型参数名称
struct file_lock *fl
382  locks_release_private(fl)
383  kmem_cache_free(filelock_cache, fl)
调用者
名称描述
locks_dispose_list
lease_allocAllocate a file_lock initialised to this type of lease
locks_delete_lock_ctx
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
do_fcntl_add_lease
SYSCALL_DEFINE2sys_flock: - flock() system call.*@fd: the file descriptor to lock.*@cmd: the type of lock to apply.* Apply a %FL_FLOCK style lock to an open file descriptor.* The @cmd can be one of:* - %LOCK_SH -- a shared lock.* - %LOCK_EX -- an exclusive lock.
fcntl_getlkReport the first existing lock that would conflict with l.* This implements the F_GETLK command of fcntl().
fcntl_setlkApply the lock described by l to an open file descriptor.* This implements both the F_SETLK and F_SETLKW commands of fcntl().
fcntl_getlk64Report the first existing lock that would conflict with l.* This implements the F_GETLK command of fcntl().
fcntl_setlk64Apply the lock described by l to an open file descriptor.* This implements both the F_SETLK and F_SETLKW commands of fcntl().