linux-kernel - [PATCH v2 01/23] bpf: move bpf_struct_ops

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Message-ID: <20251027231727.472628-2-roman.gushchin@linux.dev>
Date: Mon, 27 Oct 2025 16:17:04 -0700
From: Roman Gushchin <roman.gushchin@...ux.dev>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org,
	Alexei Starovoitov <ast@...nel.org>,
	Suren Baghdasaryan <surenb@...gle.com>,
	Michal Hocko <mhocko@...nel.org>,
	Shakeel Butt <shakeel.butt@...ux.dev>,
	Johannes Weiner <hannes@...xchg.org>,
	Andrii Nakryiko <andrii@...nel.org>,
	JP Kobryn <inwardvessel@...il.com>,
	linux-mm@...ck.org,
	cgroups@...r.kernel.org,
	bpf@...r.kernel.org,
	Martin KaFai Lau <martin.lau@...nel.org>,
	Song Liu <song@...nel.org>,
	Kumar Kartikeya Dwivedi <memxor@...il.com>,
	Tejun Heo <tj@...nel.org>,
	Roman Gushchin <roman.gushchin@...ux.dev>
Subject: [PATCH v2 01/23] bpf: move bpf_struct_ops_link into bpf.h

Move struct bpf_struct_ops_link's definition into bpf.h,
where other custom bpf links definitions are.

It's necessary to access its members from outside of generic
bpf_struct_ops implementation, which will be done by following
patches in the series.

Signed-off-by: Roman Gushchin <roman.gushchin@...ux.dev>
---
 include/linux/bpf.h         | 6 ++++++
 kernel/bpf/bpf_struct_ops.c | 6 ------
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index a47d67db3be5..eae907218188 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -1845,6 +1845,12 @@ struct bpf_raw_tp_link {
 	u64 cookie;
 };
 
+struct bpf_struct_ops_link {
+	struct bpf_link link;
+	struct bpf_map __rcu *map;
+	wait_queue_head_t wait_hup;
+};
+
 struct bpf_link_primer {
 	struct bpf_link *link;
 	struct file *file;
diff --git a/kernel/bpf/bpf_struct_ops.c b/kernel/bpf/bpf_struct_ops.c
index a41e6730edcf..45cc5ee19dc2 100644
--- a/kernel/bpf/bpf_struct_ops.c
+++ b/kernel/bpf/bpf_struct_ops.c
@@ -55,12 +55,6 @@ struct bpf_struct_ops_map {
 	struct bpf_struct_ops_value kvalue;
 };
 
-struct bpf_struct_ops_link {
-	struct bpf_link link;
-	struct bpf_map __rcu *map;
-	wait_queue_head_t wait_hup;
-};
-
 static DEFINE_MUTEX(update_mutex);
 
 #define VALUE_PREFIX "bpf_struct_ops_"
-- 
2.51.0