xref: /linux/samples/bpf/task_fd_query_kern.c (revision 6c8c1406)
1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/version.h>
3 #include <linux/ptrace.h>
4 #include <uapi/linux/bpf.h>
5 #include <bpf/bpf_helpers.h>
6 
7 SEC("kprobe/blk_mq_start_request")
8 int bpf_prog1(struct pt_regs *ctx)
9 {
10 	return 0;
11 }
12 
13 SEC("kretprobe/__blk_account_io_done")
14 int bpf_prog2(struct pt_regs *ctx)
15 {
16 	return 0;
17 }
18 char _license[] SEC("license") = "GPL";
19 u32 _version SEC("version") = LINUX_VERSION_CODE;
20