From a0d13aac7022f95ec161c18d18e3d81172666ed8 Mon Sep 17 00:00:00 2001 From: Wedson Almeida Filho Date: Thu, 22 Aug 2024 16:37:53 +0000 Subject: rust: rbtree: add red-black tree implementation backed by the C version The rust rbtree exposes a map-like interface over keys and values, backed by the kernel red-black tree implementation. Values can be inserted, deleted, and retrieved from a `RBTree` by key. This base abstraction is used by binder to store key/value pairs and perform lookups, for example the patch "[PATCH RFC 03/20] rust_binder: add threading support" in the binder RFC [1]. Link: https://lore.kernel.org/rust-for-linux/20231101-rust-binder-v1-3-08ba9197f637@google.com/ [1] Signed-off-by: Wedson Almeida Filho Reviewed-by: Alice Ryhl Tested-by: Alice Ryhl Reviewed-by: Boqun Feng Reviewed-by: Benno Lossin Signed-off-by: Matt Gilbride Link: https://lore.kernel.org/r/20240822-b4-rbtree-v12-1-014561758a57@google.com [ Updated link to docs.kernel.org. - Miguel ] Signed-off-by: Miguel Ojeda --- rust/helpers/rbtree.c | 9 +++++++++ 1 file changed, 9 insertions(+) create mode 100644 rust/helpers/rbtree.c (limited to 'rust/helpers/rbtree.c') diff --git a/rust/helpers/rbtree.c b/rust/helpers/rbtree.c new file mode 100644 index 000000000000..6d404b84a9b5 --- /dev/null +++ b/rust/helpers/rbtree.c @@ -0,0 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include + +void rust_helper_rb_link_node(struct rb_node *node, struct rb_node *parent, + struct rb_node **rb_link) +{ + rb_link_node(node, parent, rb_link); +} -- cgit v1.2.3-70-g09d2