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| author | Andreas Hindborg <a.hindborg@kernel.org> | 2025-09-02 11:55:10 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2025-09-02 05:23:56 -0600 |
| commit | 4ec052841a545297a276e833817990f0e13b1b32 (patch) | |
| tree | e45b84d99cdadcf3c89d59432b72ee447723d3d4 /drivers/block/rnull | |
| parent | bde50e28f7c5fe874112fe9d98e84873548fa8de (diff) | |
| download | linux-4ec052841a545297a276e833817990f0e13b1b32.tar.gz linux-4ec052841a545297a276e833817990f0e13b1b32.tar.bz2 linux-4ec052841a545297a276e833817990f0e13b1b32.zip | |
rust: block: add remote completion to `Request`
Allow users of rust block device driver API to schedule completion of
requests via `blk_mq_complete_request_remote`.
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Signed-off-by: Andreas Hindborg <a.hindborg@kernel.org>
Link: https://lore.kernel.org/r/20250902-rnull-up-v6-16-v7-16-b5212cc89b98@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/rnull')
| -rw-r--r-- | drivers/block/rnull/rnull.rs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/block/rnull/rnull.rs b/drivers/block/rnull/rnull.rs index 8255236bc550..a19c55717c4f 100644 --- a/drivers/block/rnull/rnull.rs +++ b/drivers/block/rnull/rnull.rs @@ -82,4 +82,13 @@ impl Operations for NullBlkDevice { } fn commit_rqs(_queue_data: ()) {} + + fn complete(rq: ARef<mq::Request<Self>>) { + mq::Request::end_ok(rq) + .map_err(|_e| kernel::error::code::EIO) + // We take no refcounts on the request, so we expect to be able to + // end the request. The request reference must be unique at this + // point, and so `end_ok` cannot fail. + .expect("Fatal error - expected to be able to end request"); + } } |