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authorMartin KaFai Lau2018-05-22 14:57:21 -0700
committerDaniel Borkmann2018-05-23 12:03:32 +0200
commit9b2cf328b2eccf761537a06bef914d2a0700fba7 (patch)
tree136dc187e3f62e0becbe0a5c8271e02fe522696d /kernel/bpf
parentaea2f7b8911617d7a8c23fb73d69e78764f91b58 (diff)
bpf: btf: Rename btf_key_id and btf_value_id in bpf_map_info
In "struct bpf_map_info", the name "btf_id", "btf_key_id" and "btf_value_id" could cause confusion because the "id" of "btf_id" means the BPF obj id given to the BTF object while "btf_key_id" and "btf_value_id" means the BTF type id within that BTF object. To make it clear, btf_key_id and btf_value_id are renamed to btf_key_type_id and btf_value_type_id. Suggested-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Martin KaFai Lau <kafai@fb.com> Acked-by: Yonghong Song <yhs@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'kernel/bpf')
-rw-r--r--kernel/bpf/arraymap.c2
-rw-r--r--kernel/bpf/syscall.c18
2 files changed, 10 insertions, 10 deletions
diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c
index 0fd8d8f1a398..544e58f5f642 100644
--- a/kernel/bpf/arraymap.c
+++ b/kernel/bpf/arraymap.c
@@ -352,7 +352,7 @@ static void array_map_seq_show_elem(struct bpf_map *map, void *key,
}
seq_printf(m, "%u: ", *(u32 *)key);
- btf_type_seq_show(map->btf, map->btf_value_id, value, m);
+ btf_type_seq_show(map->btf, map->btf_value_type_id, value, m);
seq_puts(m, "\n");
rcu_read_unlock();
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 2b29ef84ded3..0b4c94551001 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -422,7 +422,7 @@ static int bpf_obj_name_cpy(char *dst, const char *src)
return 0;
}
-#define BPF_MAP_CREATE_LAST_FIELD btf_value_id
+#define BPF_MAP_CREATE_LAST_FIELD btf_value_type_id
/* called via syscall */
static int map_create(union bpf_attr *attr)
{
@@ -457,10 +457,10 @@ static int map_create(union bpf_attr *attr)
atomic_set(&map->usercnt, 1);
if (bpf_map_support_seq_show(map) &&
- (attr->btf_key_id || attr->btf_value_id)) {
+ (attr->btf_key_type_id || attr->btf_value_type_id)) {
struct btf *btf;
- if (!attr->btf_key_id || !attr->btf_value_id) {
+ if (!attr->btf_key_type_id || !attr->btf_value_type_id) {
err = -EINVAL;
goto free_map_nouncharge;
}
@@ -471,16 +471,16 @@ static int map_create(union bpf_attr *attr)
goto free_map_nouncharge;
}
- err = map->ops->map_check_btf(map, btf, attr->btf_key_id,
- attr->btf_value_id);
+ err = map->ops->map_check_btf(map, btf, attr->btf_key_type_id,
+ attr->btf_value_type_id);
if (err) {
btf_put(btf);
goto free_map_nouncharge;
}
map->btf = btf;
- map->btf_key_id = attr->btf_key_id;
- map->btf_value_id = attr->btf_value_id;
+ map->btf_key_type_id = attr->btf_key_type_id;
+ map->btf_value_type_id = attr->btf_value_type_id;
}
err = security_bpf_map_alloc(map);
@@ -2013,8 +2013,8 @@ static int bpf_map_get_info_by_fd(struct bpf_map *map,
if (map->btf) {
info.btf_id = btf_id(map->btf);
- info.btf_key_id = map->btf_key_id;
- info.btf_value_id = map->btf_value_id;
+ info.btf_key_type_id = map->btf_key_type_id;
+ info.btf_value_type_id = map->btf_value_type_id;
}
if (bpf_map_is_dev_bound(map)) {