From f69f1fc3022b88330f421b5802db3d71f09fba42 Mon Sep 17 00:00:00 2001 From: Gao Xiang Date: Mon, 16 Mar 2020 09:58:38 +0800 Subject: [PATCH] fs/erofs: add support for creating EROFS rootfs image This patch makes possible to create rootfs image using EROFS filesystem. Signed-off-by: Gao Xiang [yann.morin.1998@free.fr: - simplify help text of filesystem entry - drop the compression choice, keep the single boolean ] Signed-off-by: Yann E. MORIN --- fs/Config.in | 1 + fs/erofs/Config.in | 14 ++++++++++++++ fs/erofs/erofs.mk | 17 +++++++++++++++++ 3 files changed, 32 insertions(+) create mode 100644 fs/erofs/Config.in create mode 100644 fs/erofs/erofs.mk diff --git a/fs/Config.in b/fs/Config.in index 527051ef54..37a2aa21f8 100644 --- a/fs/Config.in +++ b/fs/Config.in @@ -5,6 +5,7 @@ source "fs/btrfs/Config.in" source "fs/cloop/Config.in" source "fs/cpio/Config.in" source "fs/cramfs/Config.in" +source "fs/erofs/Config.in" source "fs/ext2/Config.in" source "fs/f2fs/Config.in" source "fs/initramfs/Config.in" diff --git a/fs/erofs/Config.in b/fs/erofs/Config.in new file mode 100644 index 0000000000..d7360edeab --- /dev/null +++ b/fs/erofs/Config.in @@ -0,0 +1,14 @@ +config BR2_TARGET_ROOTFS_EROFS + bool "erofs root filesystem" + select BR2_PACKAGE_HOST_EROFS_UTILS + help + Build a EROFS root filesystem. + +if BR2_TARGET_ROOTFS_EROFS + +config BR2_TARGET_ROOTFS_EROFS_LZ4HC + bool "lz4hc compression" + help + Use lz4 high-compression to compress data in the filesystem. + +endif # BR2_TARGET_ROOTFS_EROFS diff --git a/fs/erofs/erofs.mk b/fs/erofs/erofs.mk new file mode 100644 index 0000000000..58559d4833 --- /dev/null +++ b/fs/erofs/erofs.mk @@ -0,0 +1,17 @@ +################################################################################ +# +# Build the EROFS root filesystem image +# +################################################################################ + +ROOTFS_EROFS_DEPENDENCIES = host-erofs-utils + +ifeq ($(BR2_TARGET_ROOTFS_EROFS_LZ4HC),y) +ROOTFS_EROFS_ARGS += -zlz4hc +endif + +define ROOTFS_EROFS_CMD + $(HOST_DIR)/bin/mkfs.erofs $(ROOTFS_EROFS_ARGS) $@ $(TARGET_DIR) +endef + +$(eval $(rootfs)) -- 2.30.2