函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\relay.c Create Date:2022-07-27 12:51:42
Last Modify:2020-03-17 19:20:22 Copyright©Brick
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函数名称：relay_set_buf_dentry

函数原型：static inline void relay_set_buf_dentry(struct rchan_buf *buf, struct dentry *dentry)

返回类型：void

参数：

类型参数名称
struct rchan_buf *buf
struct dentry *dentry
411  channel file dentry 等于dentry
412  i_size等于ytes consumed before VFS inited
调用者
名称描述
relay_open_buflay_open_buf - create a new relay channel buffer* used by relay_open() and CPU hotplug.
__relay_set_buf_dentryCalled in atomic context.
relay_late_setup_fileslay_late_setup_files - triggers file creation*@chan: channel to operate on*@base_filename: base name of files to create*@parent: dentry of parent directory, %NULL for root directory* Returns 0 if successful, non-zero otherwise