From: Andreas Hindborg <a.hindborg@xxxxxxxxxxx> Hi! A few more fixes based on input from Benno. Earlier version here [1]. Changes from v3: - mq: rewrite `atomic_relaxed_op_unless` in terms of `atomicu64::fetch_update` - mq: fix docs for `atomic_relaxed_op_unless` - mq: rewrite initialization of `TagSet` to be more idiomatic - rnull: add a comment for error path - rnull: move a ? operator Best regards, Andreas Hindborg Link: https://lore.kernel.org/all/20240601081806.531954-1-nmi@xxxxxxxxxxxx/ Andreas Hindborg (3): rust: block: introduce `kernel::block::mq` module rust: block: add rnull, Rust null_blk implementation MAINTAINERS: add entry for Rust block device driver API MAINTAINERS | 14 ++ drivers/block/Kconfig | 9 ++ drivers/block/Makefile | 3 + drivers/block/rnull.rs | 81 ++++++++++ rust/bindings/bindings_helper.h | 2 + rust/helpers.c | 16 ++ rust/kernel/block.rs | 5 + rust/kernel/block/mq.rs | 97 ++++++++++++ rust/kernel/block/mq/gen_disk.rs | 222 ++++++++++++++++++++++++++ rust/kernel/block/mq/operations.rs | 233 ++++++++++++++++++++++++++++ rust/kernel/block/mq/raw_writer.rs | 55 +++++++ rust/kernel/block/mq/request.rs | 241 +++++++++++++++++++++++++++++ rust/kernel/block/mq/tag_set.rs | 85 ++++++++++ rust/kernel/error.rs | 6 + rust/kernel/lib.rs | 2 + 15 files changed, 1071 insertions(+) create mode 100644 drivers/block/rnull.rs create mode 100644 rust/kernel/block.rs create mode 100644 rust/kernel/block/mq.rs create mode 100644 rust/kernel/block/mq/gen_disk.rs create mode 100644 rust/kernel/block/mq/operations.rs create mode 100644 rust/kernel/block/mq/raw_writer.rs create mode 100644 rust/kernel/block/mq/request.rs create mode 100644 rust/kernel/block/mq/tag_set.rs base-commit: 1613e604df0cd359cf2a7fbd9be7a0bcfacfabd0 -- 2.45.1