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bpf: Extend libbpf with bpf_map_lookup_and_delete_elem_flags

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Add bpf_map_lookup_and_delete_elem_flags() libbpf API in order to use
the BPF_F_LOCK flag with the map_lookup_and_delete_elem() function.

Signed-off-by: Denis Salopek <denis.salopek@sartura.hr>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/15b05dafe46c7e0750d110f233977372029d1f62.1620763117.git.denis.salopek@sartura.hr
This commit is contained in:
Denis Salopek
2021-05-11 23:00:05 +02:00
committed by Andrii Nakryiko
parent c3c2e52201
commit 234dea015b
3 changed files with 16 additions and 0 deletions
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src/libbpf.map
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@@ -361,6 +361,7 @@ LIBBPF_0.4.0 {
bpf_linker__new;
bpf_map__initial_value;
bpf_map__inner_map;
bpf_map_lookup_and_delete_elem_flags;
bpf_object__gen_loader;
bpf_object__set_kversion;
bpf_tc_attach;