libbpf: use explicit map reuse flag to skip map creation steps

Instead of inferring whether map already point to previously
created/pinned BPF map (which user can specify with bpf_map__reuse_fd()) API),
use explicit map->reused flag that is set in such case.

Acked-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20240104013847.3875810-3-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Andrii Nakryiko 2024-01-03 17:38:40 -08:00 committed by Alexei Starovoitov
parent df7c3f7d3a
commit fa98b54bff

View File

@ -5465,7 +5465,7 @@ retry:
}
}
if (map->fd >= 0) {
if (map->reused) {
pr_debug("map '%s': skipping creation (preset fd=%d)\n",
map->name, map->fd);
} else {