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bpf: Add CGROUP prefix to cgroup_iter_order

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bpf_cgroup_iter_order is globally visible but the entries do not have
CGROUP prefix. As requested by Andrii, put a CGROUP in the names
in bpf_cgroup_iter_order.

This patch fixes two previous commits: one introduced the API and
the other uses the API in bpf selftest (that is, the selftest
cgroup_hierarchical_stats).

I tested this patch via the following command:

  test_progs -t cgroup,iter,btf_dump

Fixes: d4ccaf58a847 ("bpf: Introduce cgroup iter")
Fixes: 88886309d2e8 ("selftests/bpf: add a selftest for cgroup hierarchical stats collection")
Suggested-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Hao Luo <haoluo@google.com>
Link: https://lore.kernel.org/r/20220825223936.1865810-1-haoluo@google.com
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
This commit is contained in:
Hao Luo
2022-08-25 15:39:36 -07:00
committed by Andrii Nakryiko
parent 981001bf46
commit c918b3e724
1 changed files with 5 additions and 5 deletions
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10
include/uapi/linux/bpf.h
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@@ -88,11 +88,11 @@ struct bpf_cgroup_storage_key {
};
enum bpf_cgroup_iter_order {
BPF_ITER_ORDER_UNSPEC = 0,
BPF_ITER_SELF_ONLY, /* process only a single object. */
BPF_ITER_DESCENDANTS_PRE, /* walk descendants in pre-order. */
BPF_ITER_DESCENDANTS_POST, /* walk descendants in post-order. */
BPF_ITER_ANCESTORS_UP, /* walk ancestors upward. */
BPF_CGROUP_ITER_ORDER_UNSPEC = 0,
BPF_CGROUP_ITER_SELF_ONLY, /* process only a single object. */
BPF_CGROUP_ITER_DESCENDANTS_PRE, /* walk descendants in pre-order. */
BPF_CGROUP_ITER_DESCENDANTS_POST, /* walk descendants in post-order. */
BPF_CGROUP_ITER_ANCESTORS_UP, /* walk ancestors upward. */
};
union bpf_iter_link_info {