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bpf: enable cgroup local storage map pretty print with kind_flag

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Commit 970289fc0a83 ("bpf: add bpffs pretty print for cgroup
local storage maps") added bpffs pretty print for cgroup
local storage maps. The commit worked for struct without kind_flag
set.

This patch refactored and made pretty print also work
with kind_flag set for the struct.

Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Yonghong Song 2018-12-15 22:13:52 -08:00 • committed by Daniel Borkmann
parent 9d5f9f701b
commit ffa0c1cf59
3 changed files with 36 additions and 23 deletions
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5
include/linux/btf.h
View file

@ -7,6 +7,7 @@
#include <linux/types.h>
struct btf;
struct btf_member;
struct btf_type;
union bpf_attr;
@ -46,7 +47,9 @@ void btf_type_seq_show(const struct btf *btf, u32 type_id, void *obj,
struct seq_file *m);
int btf_get_fd_by_id(u32 id);
u32 btf_id(const struct btf *btf);
bool btf_type_is_reg_int(const struct btf_type *t, u32 expected_size);
bool btf_member_is_reg_int(const struct btf *btf, const struct btf_type *s,
const struct btf_member *m,
u32 expected_offset, u32 expected_size);
#ifdef CONFIG_BPF_SYSCALL
const struct btf_type *btf_type_by_id(const struct btf *btf, u32 type_id);