From: Paul Spooren <mail@aparcar.org>
Date: Mon, 18 Jul 2022 21:51:03 +0000 (+0200)
Subject: config: add erofs filesystem
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=refs%2Fheads%2Ferofs;p=openwrt%2Fstaging%2Faparcar.git

config: add erofs filesystem

It is now possible to select erofs as rootfs if Kernel 5.15 is selected.

Signed-off-by: Paul Spooren <mail@aparcar.org>
---

diff --git a/config/Config-images.in b/config/Config-images.in
index dcd7575c3e..f3d3fbeb44 100644
--- a/config/Config-images.in
+++ b/config/Config-images.in
@@ -160,6 +160,12 @@ menu "Target Images"
 			default 1024 if (SMALL_FLASH && !LOW_MEMORY_FOOTPRINT)
 			default 256
 
+	menuconfig TARGET_ROOTFS_EROFS
+		bool "erofs"
+		help
+		  Build a erofs-lzma root filesystem.
+		depends on LINUX_5_15
+
 	menuconfig TARGET_ROOTFS_UBIFS
 		bool "ubifs"
 		default y if USES_UBIFS
diff --git a/include/image.mk b/include/image.mk
index bdcf20d30c..56aee64f9f 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -88,6 +88,7 @@ endif
 JFFS2_BLOCKSIZE ?= 64k 128k
 
 fs-types-$(CONFIG_TARGET_ROOTFS_SQUASHFS) += squashfs
+fs-types-$(CONFIG_TARGET_ROOTFS_EROFS) += erofs
 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addprefix jffs2-,$(JFFS2_BLOCKSIZE))
 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2_NAND) += $(addprefix jffs2-nand-,$(NAND_BLOCKSIZE))
 fs-types-$(CONFIG_TARGET_ROOTFS_EXT4FS) += ext4
@@ -225,6 +226,10 @@ define Image/mkfs/squashfs-common
 		-comp $(SQUASHFSCOMP) $(SQUASHFSOPT)
 endef
 
+define Image/mkfs/erofs
+  $(STAGING_DIR_HOST)/bin/mkfs.erofs -zlzma,9 -Eztailpacking -C 65536 $@ $(call mkfs_target_dir,$(1))
+endef
+
 ifeq ($(CONFIG_TARGET_ROOTFS_SECURITY_LABELS),y)
 define Image/mkfs/squashfs
 	echo ". $(call mkfs_target_dir,$(1))/etc/selinux/config" > $@.fakeroot-script