From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 967492F4A09; Tue, 2 Sep 2025 09:56:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756806973; cv=none; b=AqXWIREL0Q6MQg5BaBHsvLVrvO7aE/CxAzNW5Zd3N1l7gVuvZYsaxXtjlkcUNfbMr9LZTpO8sl818QMSZkp3buQh7u6mBtip+j+xOm7CK5HwKGgk6cnaoGWHOJPghdUT2oZBNM+sXfDTcq1WtJlpp7Lh5cH6/KNzUjeUAYRiAkA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756806973; c=relaxed/simple; bh=pIuBZvrIaCfOxk5R8QT6fU57Jtv4V7ScNiWvZ/2peFE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=cBnoZ+KY6Kl1cJ0iH4JKpB4n9G+Fi1ggk9FcV2xDbmxWdJSu/39iFIh/4IxV0PRNZNeo120QuT3TdyT+RZXRG9WFobu6bpAJBH4y3IbjpzJTPtNPIp4u8BMCzAJOmAuQ5vgumHlix3XId7qGwYeTWA283f7j3c+5k9a9tS6aeGI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ndSbxD6i; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ndSbxD6i" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 24E3AC4CEED; Tue, 2 Sep 2025 09:56:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1756806973; bh=pIuBZvrIaCfOxk5R8QT6fU57Jtv4V7ScNiWvZ/2peFE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=ndSbxD6iB3kGoDhL7VTkbdea5vVoNd0p6dev48Q8fxyuMe8Ty8cGWsSQF6Mzg+VIp 8+MBB/v+2eG6MInm8UuSzx0sKHVFDDwtK7ush1EBrI263F7FO2mp9jTgRqTUP8As79 9rqd9YssJMdsqj8u2m/D8KLFdGuqhyxWwq2JSM2TyVvqYeySmEUZ7V4c9Oz0uuSq9I 42JRHu0Bwuz3YWm894t9UIqdpNSGMk5jsUqWrDNEN2SyBAfdAUTDXRJOlfEvAJvySz h8zz7yiwp34Z3vdt1QvFi6tu9xj0AVid1v3nNfTpreIwtjT4agOVkjjFBkQ/TJxJr7 G6D3zBKH36+Mw== From: Andreas Hindborg Date: Tue, 02 Sep 2025 11:55:06 +0200 Subject: [PATCH v7 12/17] rnull: move driver to separate directory Precedence: bulk X-Mailing-List: rust-for-linux@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: <20250902-rnull-up-v6-16-v7-12-b5212cc89b98@kernel.org> References: <20250902-rnull-up-v6-16-v7-0-b5212cc89b98@kernel.org> In-Reply-To: <20250902-rnull-up-v6-16-v7-0-b5212cc89b98@kernel.org> To: Boqun Feng , Miguel Ojeda , Alex Gaynor , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Alice Ryhl , Trevor Gross , Danilo Krummrich , Jens Axboe , Breno Leitao Cc: linux-block@vger.kernel.org, rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, Andreas Hindborg , Daniel Almeida X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=3780; i=a.hindborg@kernel.org; h=from:subject:message-id; bh=pIuBZvrIaCfOxk5R8QT6fU57Jtv4V7ScNiWvZ/2peFE=; b=owEBbQKS/ZANAwAIAeG4Gj55KGN3AcsmYgBotr8EMrtCGQJaSfg5FNjqv7eu4cedktkAzfTYV udhcYHI2NmJAjMEAAEIAB0WIQQSwflHVr98KhXWwBLhuBo+eShjdwUCaLa/BAAKCRDhuBo+eShj dyykEACyYN9nV7NnY266IMC+HwV7lYYDnvjpQEPehKkSbW9IGOMntwX4Izin3vdqj9UnDPgtxqr qMcw/h7owGs4zx3GgQBSR/2myqRbuVGsgazSCzAZ8hZ1D/7BUBPbYO7WOEzrEn7qc9typ2Hq/vx xd10lirFdV5Ujs5LaEMv1cucK225LWL9bF6aelykSmkLZsejXsFOpNiLS9J8nCXwSi9o38Ph8+u lEQ8Q8Gjv3ZgL2yF3aiBcjJSwPwJj1h6t1P6GwA+kmaVmVwsjfjsxpiTNrWFf0eYDVMgxnDLHGC n/6/T5JmuTq6ckh/qChmOr0Ute5Dnlcitmj/HIOaeebKbmy9gtxh9LHP4hnjC8KmVpAbHP2RTLB HYerZRE0IeialIemkc8cKwjwow/LL2Maht53Xk7831JQm1WTQrSvCOrOHD2MUS8qWOMn81tcS+r H8vd9KLb7kNI5ryBRS4fj9obzsGEIAXz1r6qyZQTLw7sYtryEBvt9JsTNiyahV8WgYnVCbBtrlE NNpz1XA4Lo0jk38eCMA7bmpbDxuEb3arDjzNf8FjEVwh87EJ+6kU3Q6zlTEOvImidg7/aLOCa8A 49Q5yehIuQheUPJtWFaO70YhgkuSXC+VONq8WcA8pNogcD1+QEQ/gP6fsYiStl7dsd+sFzlQkUx f53psD4978/5IAA== X-Developer-Key: i=a.hindborg@kernel.org; a=openpgp; fpr=3108C10F46872E248D1FB221376EB100563EF7A7 The rust null block driver is about to gain some additional modules. Rather than pollute the current directory, move the driver to a subdirectory. Reviewed-by: Alice Ryhl Reviewed-by: Daniel Almeida Signed-off-by: Andreas Hindborg --- MAINTAINERS | 2 +- drivers/block/Kconfig | 10 +--------- drivers/block/Makefile | 4 +--- drivers/block/rnull/Kconfig | 13 +++++++++++++ drivers/block/rnull/Makefile | 3 +++ drivers/block/{ => rnull}/rnull.rs | 0 6 files changed, 19 insertions(+), 13 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index daf520a13bdf..d5addcc4b132 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4343,7 +4343,7 @@ W: https://rust-for-linux.com B: https://github.com/Rust-for-Linux/linux/issues C: https://rust-for-linux.zulipchat.com/#narrow/stream/Block T: git https://github.com/Rust-for-Linux/linux.git rust-block-next -F: drivers/block/rnull.rs +F: drivers/block/rnull/ F: rust/kernel/block.rs F: rust/kernel/block/ diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index df38fb364904..77d694448990 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -17,6 +17,7 @@ menuconfig BLK_DEV if BLK_DEV source "drivers/block/null_blk/Kconfig" +source "drivers/block/rnull/Kconfig" config BLK_DEV_FD tristate "Normal floppy disk support" @@ -311,15 +312,6 @@ config VIRTIO_BLK This is the virtual block driver for virtio. It can be used with QEMU based VMMs (like KVM or Xen). Say Y or M. -config BLK_DEV_RUST_NULL - tristate "Rust null block driver (Experimental)" - depends on RUST - help - This is the Rust implementation of the null block driver. For now it - is only a minimal stub. - - If unsure, say N. - config BLK_DEV_RBD tristate "Rados block device (RBD)" depends on INET && BLOCK diff --git a/drivers/block/Makefile b/drivers/block/Makefile index a695ce74ef22..2d8096eb8cdf 100644 --- a/drivers/block/Makefile +++ b/drivers/block/Makefile @@ -9,9 +9,6 @@ # needed for trace events ccflags-y += -I$(src) -obj-$(CONFIG_BLK_DEV_RUST_NULL) += rnull_mod.o -rnull_mod-y := rnull.o - obj-$(CONFIG_MAC_FLOPPY) += swim3.o obj-$(CONFIG_BLK_DEV_SWIM) += swim_mod.o obj-$(CONFIG_BLK_DEV_FD) += floppy.o @@ -38,6 +35,7 @@ obj-$(CONFIG_ZRAM) += zram/ obj-$(CONFIG_BLK_DEV_RNBD) += rnbd/ obj-$(CONFIG_BLK_DEV_NULL_BLK) += null_blk/ +obj-$(CONFIG_BLK_DEV_RUST_NULL) += rnull/ obj-$(CONFIG_BLK_DEV_UBLK) += ublk_drv.o obj-$(CONFIG_BLK_DEV_ZONED_LOOP) += zloop.o diff --git a/drivers/block/rnull/Kconfig b/drivers/block/rnull/Kconfig new file mode 100644 index 000000000000..6dc5aff96bf4 --- /dev/null +++ b/drivers/block/rnull/Kconfig @@ -0,0 +1,13 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Rust null block device driver configuration + +config BLK_DEV_RUST_NULL + tristate "Rust null block driver (Experimental)" + depends on RUST + help + This is the Rust implementation of the null block driver. Like + the C version, the driver allows the user to create virutal block + devices that can be configured via various configuration options. + + If unsure, say N. diff --git a/drivers/block/rnull/Makefile b/drivers/block/rnull/Makefile new file mode 100644 index 000000000000..11cfa5e615dc --- /dev/null +++ b/drivers/block/rnull/Makefile @@ -0,0 +1,3 @@ + +obj-$(CONFIG_BLK_DEV_RUST_NULL) += rnull_mod.o +rnull_mod-y := rnull.o diff --git a/drivers/block/rnull.rs b/drivers/block/rnull/rnull.rs similarity index 100% rename from drivers/block/rnull.rs rename to drivers/block/rnull/rnull.rs -- 2.47.2