meta-digi: dynamically resize EXT4 filesystem to the partition size

https://jira.digi.com/browse/DEL-935

Signed-off-by: Javier Viguera <javier.viguera@digi.com>

meta-digi-arm/conf/machine/include/ccimx6.inc

@@ -15,6 +15,7 @@ UBOOT_SUFFIX = "imx"
 MACHINE_FIRMWARE ?= ""
 MACHINE_FIRMWARE_append = " firmware-imx-vpu-imx6q"
 
+MACHINE_EXTRA_RDEPENDS    += "e2fsprogs e2fsprogs-mke2fs parted"
 MACHINE_EXTRA_RRECOMMENDS += "${MACHINE_FIRMWARE}"
 MACHINE_EXTRA_RRECOMMENDS += "fsl-alsa-plugins"
 

meta-digi-dey/recipes-core/busybox/busybox-1.21.1/defconfig

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
 # Busybox version: 1.21.1
-# Thu Dec  5 12:44:05 2013
+# Fri Feb 14 15:39:27 2014
 #
 CONFIG_HAVE_DOT_CONFIG=y
 
@@ -533,8 +533,8 @@ CONFIG_FEATURE_MDEV_LOAD_FIRMWARE=y
 CONFIG_REV=y
 CONFIG_ACPID=y
 CONFIG_FEATURE_ACPID_COMPAT=y
-# CONFIG_BLKID is not set
+CONFIG_BLKID=y
-# CONFIG_FEATURE_BLKID_TYPE is not set
+CONFIG_FEATURE_BLKID_TYPE=y
 CONFIG_DMESG=y
 CONFIG_FEATURE_DMESG_PRETTY=y
 CONFIG_FBSET=y
@@ -605,27 +605,31 @@ CONFIG_FEATURE_UMOUNT_ALL=y
 CONFIG_FEATURE_MOUNT_LOOP=y
 CONFIG_FEATURE_MOUNT_LOOP_CREATE=y
 # CONFIG_FEATURE_MTAB_SUPPORT is not set
-# CONFIG_VOLUMEID is not set
+CONFIG_VOLUMEID=y
-# CONFIG_FEATURE_VOLUMEID_EXT is not set
+
-# CONFIG_FEATURE_VOLUMEID_BTRFS is not set
+#
-# CONFIG_FEATURE_VOLUMEID_REISERFS is not set
+# Filesystem/Volume identification
-# CONFIG_FEATURE_VOLUMEID_FAT is not set
+#
-# CONFIG_FEATURE_VOLUMEID_EXFAT is not set
+CONFIG_FEATURE_VOLUMEID_EXT=y
-# CONFIG_FEATURE_VOLUMEID_HFS is not set
+CONFIG_FEATURE_VOLUMEID_BTRFS=y
-# CONFIG_FEATURE_VOLUMEID_JFS is not set
+CONFIG_FEATURE_VOLUMEID_REISERFS=y
-# CONFIG_FEATURE_VOLUMEID_XFS is not set
+CONFIG_FEATURE_VOLUMEID_FAT=y
-# CONFIG_FEATURE_VOLUMEID_NILFS is not set
+CONFIG_FEATURE_VOLUMEID_EXFAT=y
-# CONFIG_FEATURE_VOLUMEID_NTFS is not set
+CONFIG_FEATURE_VOLUMEID_HFS=y
-# CONFIG_FEATURE_VOLUMEID_ISO9660 is not set
+CONFIG_FEATURE_VOLUMEID_JFS=y
-# CONFIG_FEATURE_VOLUMEID_UDF is not set
+CONFIG_FEATURE_VOLUMEID_XFS=y
-# CONFIG_FEATURE_VOLUMEID_LUKS is not set
+CONFIG_FEATURE_VOLUMEID_NILFS=y
-# CONFIG_FEATURE_VOLUMEID_LINUXSWAP is not set
+CONFIG_FEATURE_VOLUMEID_NTFS=y
-# CONFIG_FEATURE_VOLUMEID_CRAMFS is not set
+CONFIG_FEATURE_VOLUMEID_ISO9660=y
-# CONFIG_FEATURE_VOLUMEID_ROMFS is not set
+CONFIG_FEATURE_VOLUMEID_UDF=y
-# CONFIG_FEATURE_VOLUMEID_SQUASHFS is not set
+CONFIG_FEATURE_VOLUMEID_LUKS=y
-# CONFIG_FEATURE_VOLUMEID_SYSV is not set
+CONFIG_FEATURE_VOLUMEID_LINUXSWAP=y
-# CONFIG_FEATURE_VOLUMEID_OCFS2 is not set
+CONFIG_FEATURE_VOLUMEID_CRAMFS=y
-# CONFIG_FEATURE_VOLUMEID_LINUXRAID is not set
+CONFIG_FEATURE_VOLUMEID_ROMFS=y
+CONFIG_FEATURE_VOLUMEID_SQUASHFS=y
+CONFIG_FEATURE_VOLUMEID_SYSV=y
+CONFIG_FEATURE_VOLUMEID_OCFS2=y
+CONFIG_FEATURE_VOLUMEID_LINUXRAID=y
 
 #
 # Miscellaneous Utilities

meta-digi-dey/recipes-core/sysvinit/sysvinit_2.88dsf.bbappend

@@ -14,3 +14,10 @@ do_install_append() {
 	rm -f ${D}${sysconfdir}/rc5.d/S99stop-bootlogd
 	rm -f ${D}${sysconfdir}/rcS.d/S07bootlogd
 }
+
+do_install_append_ccimx6adpt() {
+	cat >> ${D}${sysconfdir}/default/rcS <<-EOF
+		# Resize EXT4 filesystems to the size of the partition on boot
+		RESIZE_EXT4FS=yes
+	EOF
+}

meta-digi-dey/recipes-devtools/e2fsprog/e2fsprogs-1.42.8/resize-ext4fs.sh

@@ -0,0 +1,36 @@
+#!/bin/sh
+#===============================================================================
+#
+#  resize-ext4fs.sh
+#
+#  Copyright (C) 2014 by Digi International Inc.
+#  All rights reserved.
+#
+#  This program is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU General Public License version 2 as published by
+#  the Free Software Foundation.
+#
+#
+#  !Description: Resize EXT4 filesystems to the size of the partition
+#
+#===============================================================================
+
+get_emmc_block_device() {
+	emmc_number="$(sed -ne 's,.*mmcblk\(.\)boot0.*,\1,g;T;p' /proc/partitions)"
+	if [ -b "/dev/mmcblk${emmc_number}" ] &&
+	   [ -b "/dev/mmcblk${emmc_number}boot0" ] &&
+	   [ -b "/dev/mmcblk${emmc_number}boot1" ] &&
+	   [ -b "/dev/mmcblk${emmc_number}rpmb" ]; then
+		echo "/dev/mmcblk${emmc_number}"
+	fi
+}
+
+EMMC_BLOCK_DEVICE="$(get_emmc_block_device)"
+if [ "${RESIZE_EXT4FS}" = "yes" -a -n "${EMMC_BLOCK_DEVICE}" ]; then
+	PARTITIONS="$(blkid | sed -ne "{s,\(^${EMMC_BLOCK_DEVICE}[^:]\+\):.*TYPE=\"ext4\".*,\1,g;T;p}" | sort -u)"
+	for i in ${PARTITIONS}; do
+		if ! resize2fs ${i} 2>/dev/null; then
+			echo "ERROR: resize2fs ${i}"
+		fi
+	done
+fi

meta-digi-dey/recipes-devtools/e2fsprog/e2fsprogs_1.42.8.bbappend

@@ -0,0 +1,15 @@
+# Copyright (C) 2014 Digi International.
+
+FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}-${PV}:"
+
+SRC_URI += "file://resize-ext4fs.sh"
+
+inherit update-rc.d
+
+do_install_append() {
+	install -d ${D}${sysconfdir}/init.d
+	install -m 0755 ${WORKDIR}/resize-ext4fs.sh ${D}${sysconfdir}/init.d/
+}
+
+INITSCRIPT_NAME = "resize-ext4fs.sh"
+INITSCRIPT_PARAMS = "start 36 S ."