函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\bpf\cgroup.c Create Date:2022-07-27 14:46:19
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:cgroup_bpf_prog_detach

函数原型:int cgroup_bpf_prog_detach(const union bpf_attr *attr, enum bpf_prog_type ptype)

返回类型:int

参数:

类型参数名称
const union bpf_attr *attr
enum bpf_prog_typeptype
568  cgrp等于group_get_from_fd - get a cgroup pointer from a fd*@fd: fd obtained by open(cgroup2_dir)* Find the cgroup from a fd which should be obtained* by opening a cgroup directory. Returns a pointer to the* cgroup on success. ERR_PTR is returned if the cgroup
569  如果是错误则返回:错误
572  prog等于bpf_prog_get_type( eBPF program to attach , ptype)
573  如果是错误prog = NULL
576  ret等于cgroup_bpf_detach(cgrp, prog, attach_type, 0)
577  如果progbpf_prog_put(prog)
580  cgroup_put(cgrp)
581  返回:ret
调用者
名称描述
bpf_prog_detach