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libbpf: Add bpf_map__pin_path function

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Add bpf_map__pin_path, so that the inconsistently named
bpf_map__get_pin_path can be deprecated later. This is part of the
effort towards libbpf v1.0: https://github.com/libbpf/libbpf/issues/307

Also, add a selftest for the new function.

Signed-off-by: Evgeniy Litvinenko <evgeniyl@fb.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210723221511.803683-1-evgeniyl@fb.com
This commit is contained in:
Evgeniy Litvinenko
2021-07-23 15:15:11 -07:00
committed by Andrii Nakryiko
parent d9e8d14b12
commit e244d34d0e
4 changed files with 16 additions and 0 deletions
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5
tools/lib/bpf/libbpf.c
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@@ -8511,6 +8511,11 @@ const char *bpf_map__get_pin_path(const struct bpf_map *map)
return map->pin_path;
}
const char *bpf_map__pin_path(const struct bpf_map *map)
{
return map->pin_path;
}
bool bpf_map__is_pinned(const struct bpf_map *map)
{
return map->pinned;

1
tools/lib/bpf/libbpf.h
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@@ -499,6 +499,7 @@ LIBBPF_API bool bpf_map__is_offload_neutral(const struct bpf_map *map);
LIBBPF_API bool bpf_map__is_internal(const struct bpf_map *map);
LIBBPF_API int bpf_map__set_pin_path(struct bpf_map *map, const char *path);
LIBBPF_API const char *bpf_map__get_pin_path(const struct bpf_map *map);
LIBBPF_API const char *bpf_map__pin_path(const struct bpf_map *map);
LIBBPF_API bool bpf_map__is_pinned(const struct bpf_map *map);
LIBBPF_API int bpf_map__pin(struct bpf_map *map, const char *path);
LIBBPF_API int bpf_map__unpin(struct bpf_map *map, const char *path);

1
tools/lib/bpf/libbpf.map
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@@ -371,6 +371,7 @@ LIBBPF_0.4.0 {
LIBBPF_0.5.0 {
global:
bpf_map__initial_value;
bpf_map__pin_path;
bpf_map_lookup_and_delete_elem_flags;
bpf_program__attach_kprobe_opts;
bpf_object__gen_loader;