From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f53.google.com (mail-wm1-f53.google.com [209.85.128.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 04BE139657D for ; Mon, 13 Apr 2026 21:06:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.53 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776114394; cv=none; b=Rtv3yG+EKSLkTfJuVTd1pFMcilohDtvQMyHpzC/RcJiHmc07qD+62yLFtQNVkvv63LP69F23hDiW8Hs0gKTaCbZXQ4Bh+K5YN/f4r6a4K/d0h1zzcoj+YMIasc1EWhG/KXbqJ9vyALzx44Fy58hMkfbegGoymmPYPoQeWLmEOGw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776114394; c=relaxed/simple; bh=NM6h5VZen3O0KT+su0g5zHL4pT4XZpgSFwSPr2NM+A8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=V+/KRpszk2PAzxqoLMsEU9qA8z0xDhFsYxIw/S9oGzxYhNyEs1Zr8CIGghmLYzYMMBObXimGdFDlV9J3D/RcdFusJSNZS7vffnjXFYrRwki9XawmAlruRFtVuUtg3Nx6X4hdlgE/Gz5KFgZJADgog4ENnVgWbfM3mZ7WIRW8BJY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=hackers.camp; spf=pass smtp.mailfrom=gmail.com; arc=none smtp.client-ip=209.85.128.53 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=hackers.camp Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-wm1-f53.google.com with SMTP id 5b1f17b1804b1-4836fc075d2so6383855e9.0 for ; Mon, 13 Apr 2026 14:06:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1776114389; x=1776719189; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=YJ4L10geo68HXUJMfGUEOz6mGrj4VKfjz9eMj3DzSKw=; b=N3gVoLfCXAFVcDCid9vwBf8zAdif9r8cbssdVoRO7wL3ZIEUjvooHUeptsvDLkbpsf 17x21k8xcP2KO5qWBUAPeVOvZhgX6eMy7svCfjPt/ryde7TzL69eL+hEZn9bLlMNjPhY 4JgnFrlgtk6ffPj+IBQBj+6ku4++g23JqWQFtTuDwCMQXUMguA2Qa2pXFhmj2u2zHFFd qRxUsu+4T0BV3rHqsslhg7ET3tIKc09AqzT1KSTPw1RGS4Xd6RZFZUYt77wQgHuJiS+v sMz5iFOSq90lmvOLTlL1ZRaioPFmGrD1ul61VuFBJq7v/f9qnwmM4p2XUADpOdfTZk9B Uaow== X-Gm-Message-State: AOJu0YwZWdpHbKkoe1E2hSvspv2QaFw2rlqxeNfOHS1U/NBnNdJeJgtm 4mu269UEQJBGVIarcNcqfnlkxmOZdKB7sSOhNYQ63hobJ079fOOsRcQP/E7+Lqnck3U= X-Gm-Gg: AeBDiev0rGzeduYczn7t2fXlFSp8ogBbg0DpmueMOC4hNt45+Nve/ZaG+KAAfrNtdIF bOzXw0Z3zjJqRBy5/nEA9vSY+X88dmuSiIl9e2UAlmkKO6veSPUWMKSDyNG52CbLdJUHlJD0bu9 hU09GiwJ24LrfpTd0Eoc4XJ2XRmDK879QBzU6m7XQPEJkYnhigiYNqRZ90cfqVcDprQb83gBOsm TJKvoip0bJ+KIEyKmN8xoAE4l6bgXjrYSqXOc4rWPWtzD7i6eWq0hE/iQsiWtDvoH2U2qnIS6CH cWZDnTd6/bXO44KL2+mPoft8D1AW7BEOEWmnDGRgJf0C58e6KZUvBicZws9ePxraHbakHRr4h7Q bU1bMCthmpGremlODxof29DVR36x4kgwxBgCCjs6iebgOqCEzobbzaaDSyVCCEMptBbW1TE3+uw xa/vj9rUh4ZBLKmmlbq8aS9wkLzA56hjsL4BiM+NM8GGlwaWIWKvWiQERzDgj1gMuNLJEBub7AZ uCM X-Received: by 2002:a05:600c:46c8:b0:488:9e7e:e1e3 with SMTP id 5b1f17b1804b1-488d67f5115mr115396145e9.2.1776114388943; Mon, 13 Apr 2026 14:06:28 -0700 (PDT) Received: from spartian-1.home ([2a01:cb1c:784:2f00:708:2805:7128:7a75]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43d63e5c98fsm35130020f8f.35.2026.04.13.14.06.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Apr 2026 14:06:28 -0700 (PDT) From: Aurelien DESBRIERES To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Aurelien DESBRIERES , viro@zeniv.linux.org.uk, brauner@kernel.org, willy@infradead.org, djwong@kernel.org, adilger@dilger.ca, pfalcato@suse.de Subject: [PATCH v2 09/11] ftrfs: add Kconfig, Makefile and fs/ tree integration Date: Tue, 14 Apr 2026 01:05:50 +0200 Message-ID: <20260413230601.525400-10-aurelien@hackers.camp> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260413230601.525400-1-aurelien@hackers.camp> References: <20260413230601.525400-1-aurelien@hackers.camp> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Kconfig: - CONFIG_FTRFS_FS: tristate, depends on BLOCK - selects CRC32, REED_SOLOMON, REED_SOLOMON_ENC8/DEC8 - CONFIG_FTRFS_FS_XATTR: extended attributes (SELinux support) - CONFIG_FTRFS_FS_SECURITY: security labels Makefile: - ftrfs.o composed of super.o, inode.o, dir.o, file.o, edac.o, alloc.o, namei.o - xattr.o conditionally compiled via CONFIG_FTRFS_FS_XATTR fs/Kconfig: source fs/ftrfs/Kconfig (after ext2) fs/Makefile: obj-$(CONFIG_FTRFS_FS) += ftrfs/ Signed-off-by: Aurelien DESBRIERES --- fs/ftrfs/Kconfig | 49 +++++++++++++++++++++++++++++++++++++++++++++++ fs/ftrfs/Makefile | 46 ++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 95 insertions(+) create mode 100644 fs/ftrfs/Kconfig create mode 100644 fs/ftrfs/Makefile diff --git a/fs/ftrfs/Kconfig b/fs/ftrfs/Kconfig new file mode 100644 index 000000000..e23fea923 --- /dev/null +++ b/fs/ftrfs/Kconfig @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# FTRFS filesystem configuration +# + +config FTRFS_FS + tristate "FTRFS fault-tolerant radiation-robust filesystem" + depends on BLOCK + select CRC32 + select REED_SOLOMON + select REED_SOLOMON_ENC8 + select REED_SOLOMON_DEC8 + help + FTRFS is a POSIX-compatible filesystem designed for dependable + storage in radiation-intensive environments. It provides: + + - CRC32 checksumming per block and per inode + - Reed-Solomon forward error correction (FEC) + - EDAC-compatible error tracking + + Originally described in: + Fuchs, Langer, Trinitis - ARCS 2015, TU Munich. + Targeting embedded Linux on MRAM/NOR flash for space applications. + + To compile this filesystem support as a module, choose M here. + The module will be called ftrfs. + + If unsure, say N. + +config FTRFS_FS_XATTR + bool "FTRFS extended attributes" + depends on FTRFS_FS + help + Extended attributes are name:value pairs associated with inodes. + They are required for SELinux, POSIX ACLs, and other security + frameworks that store per-file metadata outside the inode. + FTRFS xattrs follow the same namespace model as ext2/ext4. + + If you are not using SELinux or POSIX ACLs, say N. +config FTRFS_FS_SECURITY + bool "FTRFS Security Labels" + depends on FTRFS_FS_XATTR + help + Extended attributes are name:value pairs associated with inodes. + They are required for SELinux, POSIX ACLs, and other security + frameworks that store per-file metadata outside the inode. + FTRFS xattrs follow the same namespace model as ext2/ext4. + + If you are not using SELinux or POSIX ACLs, say N. diff --git a/fs/ftrfs/Makefile b/fs/ftrfs/Makefile new file mode 100644 index 000000000..a792286ec --- /dev/null +++ b/fs/ftrfs/Makefile @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# FTRFS — Fault-Tolerant Radiation-Robust Filesystem +# + +obj-$(CONFIG_FTRFS_FS) += ftrfs.o + +ftrfs-y := super.o \ + inode.o \ + dir.o \ + file.o \ + edac.o \ + alloc.o \ + namei.o + +ftrfs-$(CONFIG_FTRFS_FS_XATTR) += xattr.o + +ifneq ($(KERNELRELEASE),) +else + +ifneq ($(KERNEL_SRC),) + KERNELDIR := $(KERNEL_SRC) +else + KERNELDIR ?= /lib/modules/$(shell uname -r)/build +endif + +ifneq ($(O),) + KBUILD_OUTPUT := O=$(O) +else + KBUILD_OUTPUT := +endif + +PWD := $(shell pwd) + +all: + $(MAKE) -C $(KERNELDIR) $(KBUILD_OUTPUT) M=$(PWD) \ + CONFIG_FTRFS_FS=m CONFIG_FTRFS_FS_XATTR=n CONFIG_FTRFS_FS_SECURITY=n \ + modules + +clean: + $(MAKE) -C $(KERNELDIR) $(KBUILD_OUTPUT) M=$(PWD) clean + +modules_install: + $(MAKE) -C $(KERNELDIR) $(KBUILD_OUTPUT) M=$(PWD) modules_install + +endif -- 2.52.0