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

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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 Andrii Nakryiko
parent 3fb45d3761
commit e9ce55197b
1 changed files with 1 additions and 1 deletions
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src/libbpf.c
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@@ -5465,7 +5465,7 @@ retry:
} }
} }
if (map->fd >= 0) { if (map->reused) {
pr_debug("map '%s': skipping creation (preset fd=%d)\n", pr_debug("map '%s': skipping creation (preset fd=%d)\n",
map->name, map->fd); map->name, map->fd);
} else { } else {