From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B79BD41D9E8; Tue, 9 Jun 2026 19:17:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781032648; cv=none; b=fr/AFT7i7+AZhWTNYTZUvQfFPc5gbclhVx8IjnF2kPivRoJ4uKzwV27odkW1fFoylorLSmkvBwt0rkC6fHKtgZxVFyjyvFgN5sI7za0QJ9Cd0Fo1MGwGETOI+VVjDDT/sn9upEq8b4kiGaQFce1GtPk0acA2eOV/J/VY9J2bCTc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781032648; c=relaxed/simple; bh=fop9S+9mzVcsTkO1rMOxG+AfrBnmsW7E8Z0RHs803s4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=T4J/hjoT0UzgPbHGTOGxkt3YZOQXrRB7vrjTMwJPSghW5eOQo2IZi4BQF6xoSBS9MG42fFQrPYAvBfkqnHWkn0UIsymFEkUTolVeGdMqClMeiaaN8ON2ZEor1ae4GfHNMCRos896jY1O3NLFU8n1ezBWYQFW4TXUM+PqdE6Pths= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NlrvzFZv; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="NlrvzFZv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EBF751F00898; Tue, 9 Jun 2026 19:17:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781032647; bh=l4agbTirNlyUYcdjQT8pmN2Uz+Tb+GEZRsrovxY+04g=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=NlrvzFZvPGR4r0FNlUqsKm++UKOhHK9QP0yTaBU7RQVTO9eHAX6zE73w7SOEXOqzz HbqiiTpXR9TGlS3R1TpzwnAtw6OLHW7j1knJpzQuF1e2fd/qEFd7Ucy//TBEc/0zG0 /85I1zCRbhg2xHXdMU4mUkMdbQBEOI611kkbd/C4oOPDg7eDylgpbUd/NxpHdeZ63U xF4Z34AwNl4fAkpkmCVUBZLoKhABDFEbUZI+/VPNNgi1tPJErzbOhbadAj10o4G+lp 9PS5nNaobsnkaCbtJ/Pa8O3hsxb0Ft3qvZ3psLw2KYXw71L9zYW6exHzoYng1bQ8bS rZNA+z5ZE6EZA== From: Andreas Hindborg Date: Tue, 09 Jun 2026 21:08:53 +0200 Subject: [PATCH v2 74/83] block: rust: add `Request::queue_index` Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260609-rnull-v6-19-rc5-send-v2-74-82c7404542e2@kernel.org> References: <20260609-rnull-v6-19-rc5-send-v2-0-82c7404542e2@kernel.org> In-Reply-To: <20260609-rnull-v6-19-rc5-send-v2-0-82c7404542e2@kernel.org> To: "Liam R. Howlett" , Alice Ryhl , Anna-Maria Behnsen , Benno Lossin , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Boqun Feng , Danilo Krummrich , FUJITA Tomonori , Frederic Weisbecker , Gary Guo , Jens Axboe , John Stultz , Lorenzo Stoakes , Lyude Paul , Miguel Ojeda , Stephen Boyd , Thomas Gleixner , Trevor Gross , "Liam R. Howlett" , Boqun Feng , Lorenzo Stoakes Cc: Andreas Hindborg , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, rust-for-linux@vger.kernel.org X-Mailer: b4 0.16-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1020; i=a.hindborg@kernel.org; h=from:subject:message-id; bh=fop9S+9mzVcsTkO1rMOxG+AfrBnmsW7E8Z0RHs803s4=; b=owEBbQKS/ZANAwAKAfpQKQiqxb3QAcsmYgBqKGT3vhakzgq4tXf5rIzfy3B6X1NktI4mR2vyG W7qLn2llZGJAjMEAAEKAB0WIQRXitnI2WZ2JirAaob6UCkIqsW90AUCaihk9wAKCRD6UCkIqsW9 0Bg7D/4snWv9goqos2qzgRQYcA8FkUKrKYnV6R6LAk7i9bC3v34ZUm4z7VyF+eJWfWf7o9V2Er8 TbQZy5aVqp6ptRU1JCmcHZifV+9oQ6ywjAbputtg8TgQHjUQ2c28RZzZdwJDHRFpT6qUYkeJ7lc 5nWrAhMhkxiFs8f4jZiFnU3P63hgN3dyOWS5mrO41E13MtvQ0/Dq89IlRTRGvihZbagHHD1IKsA TSoIEhfng5ttW+FQLZft2CpwPoz8IjnlflIGn5JTM+adojBxi2le3/MYoso83fC/8YEMQC6f9zM sEeY0E03bg1r8Pc4KPyG1QHTsaQyO6/xpFZAR2hT0fZubKdABYnBt1ESu8EcWmU0XqZDbG+VGw0 Y0Mb3xXr3s0mEZ6VnY3A8wBem47djoGLzkoiDukouoN40CfeWvBodvM5ZFb69nLL3imY+xE0b7k L1/cjFAzaR3sBLT0vCHzjSFo0HV8KzTzOtPlt77fSHtXRGfK92wysvVWo1ZUClsdTKXa/tAPfZv 0v/lusk/BplPsNb9+xgGQvAwcjQ9rNu9ZE587fvULiyig1jEbu0RTZONQSjXLN6H2iinQ65N7NZ 0MRGFoQqvNbkKm8pGOgr3vIvmgbIGYlT7iKFtWGmqA2AhYDsz1OhXxGaEgB2jfRT0rkCV7eydxd HtfYGWM0XD9snvQ== X-Developer-Key: i=a.hindborg@kernel.org; a=openpgp; fpr=3108C10F46872E248D1FB221376EB100563EF7A7 Add a method to query a request about the index for the hardware queue associated with the request. Signed-off-by: Andreas Hindborg --- rust/kernel/block/mq/request.rs | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/rust/kernel/block/mq/request.rs b/rust/kernel/block/mq/request.rs index 05b167dfc6c6..54b5202567f8 100644 --- a/rust/kernel/block/mq/request.rs +++ b/rust/kernel/block/mq/request.rs @@ -191,6 +191,13 @@ pub fn hw_data(&self) -> ::Borrowed<'_> { unsafe { T::HwData::borrow((*hctx).driver_data) } } + /// Get the queue index for the hardware queue associated with this request. + pub fn queue_index(&self) -> u32 { + // SAFETY: The requests is guaranteed to be associated with a hardware + // context while we have access to it. + unsafe { (*self.hctx_raw()).queue_num } + } + pub fn is_poll(&self) -> bool { let hctx = self.hctx_raw(); -- 2.51.2