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Add e2fsck to the initrd and use it when mounting stowaways #26

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Add e2fsck to the initrd and use it when mounting stowaways #26

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91e7309
Add e2fsck to the initrd and use it when mounting stowaways
UniversalSuperBox Dec 30, 2017
d974966
Put e2fsck in the correct place when building hybris-boot.img
UniversalSuperBox Jan 2, 2018
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7 changes: 5 additions & 2 deletions Android.mk
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Original file line number Diff line number Diff line change
Expand Up @@ -73,6 +73,7 @@ endif

# Command used to make the image
BB_STATIC := $(PRODUCT_OUT)/utilities/busybox
E2FSCK_STATIC := $(PRODUCT_OUT)/utilities/e2fsck

ifneq ($(strip $(TARGET_NO_KERNEL)),true)
INSTALLED_KERNEL_TARGET := $(PRODUCT_OUT)/kernel
Expand Down Expand Up @@ -142,7 +143,7 @@ else
@mkbootimg --ramdisk $(BOOT_RAMDISK) $(HYBRIS_BOOTIMAGE_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $@
endif

$(BOOT_RAMDISK): $(BOOT_RAMDISK_FILES) $(BB_STATIC)
$(BOOT_RAMDISK): $(BOOT_RAMDISK_FILES) $(BB_STATIC) $(E2FSCK_STATIC)
@echo "Making initramfs : $@"
@rm -rf $(BOOT_INTERMEDIATE)/initramfs
@mkdir -p $(BOOT_INTERMEDIATE)/initramfs
Expand All @@ -151,6 +152,7 @@ $(BOOT_RAMDISK): $(BOOT_RAMDISK_FILES) $(BB_STATIC)
# really hard to depend on things which may affect init.
@mv $(BOOT_RAMDISK_INIT) $(BOOT_INTERMEDIATE)/initramfs/init
@cp $(BB_STATIC) $(BOOT_INTERMEDIATE)/initramfs/bin/
@cp $(E2FSCK_STATIC) $(BOOT_INTERMEDIATE)/initramfs/bin/
ifeq ($(BOARD_CUSTOM_MKBOOTIMG),pack_intel)
@(cd $(BOOT_INTERMEDIATE)/initramfs && find . | cpio -H newc -o ) | $(MINIGZIP) > $(BOOT_RAMDISK)
else
Expand Down Expand Up @@ -193,13 +195,14 @@ else
$(hide)$(MKBOOTIMG) --ramdisk $(RECOVERY_RAMDISK) $(HYBRIS_RECOVERYIMAGE_ARGS) $(BOARD_MKRECOVERYIMG_ARGS) --output $@
endif

$(RECOVERY_RAMDISK): $(RECOVERY_RAMDISK_FILES) $(BB_STATIC)
$(RECOVERY_RAMDISK): $(RECOVERY_RAMDISK_FILES) $(BB_STATIC) $(E2FSCK_STATIC)
@echo "Making initramfs : $@"
@rm -rf $(RECOVERY_INTERMEDIATE)/initramfs
@mkdir -p $(RECOVERY_INTERMEDIATE)/initramfs
@cp -a $(RECOVERY_RAMDISK_SRC)/* $(RECOVERY_INTERMEDIATE)/initramfs
@mv $(RECOVERY_RAMDISK_INIT) $(RECOVERY_INTERMEDIATE)/initramfs/init
@cp $(BB_STATIC) $(RECOVERY_INTERMEDIATE)/initramfs/bin/
@cp $(E2FSCK_STATIC) $(RECOVERY_INTERMEDIATE)/initramfs/bin/
ifeq ($(BOARD_CUSTOM_MKBOOTIMG),pack_intel)
@(cd $(RECOVERY_INTERMEDIATE)/initramfs && find . | cpio -H newc -o ) | $(MINIGZIP) > $(RECOVERY_RAMDISK)
else
Expand Down
36 changes: 28 additions & 8 deletions init-script
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Expand Up @@ -137,22 +137,42 @@ bootsplash() {


mount_stowaways() {
echo "########################## mounting stowaways"
if [ ! -z $DATA_PARTITION ]; then
data_subdir="$(get_opt data_subdir)"
echo "########################## mounting stowaways"
if [ ! -z $DATA_PARTITION ]; then
data_subdir="$(get_opt data_subdir)"

mkdir /data
mkdir /target

mount $DATA_PARTITION /data
echo "Checking filesystem integrity for the userdata partition"
fsck_start=`date +%s`

# Mounting and unmounting /data means the kernel will handle the
# journal/orphans, this is faster than e2fsck doing everything
mkdir /tmpmnt
mount $DATA_PARTITION /tmpmnt -o errors=remount-ro
umount /tmpmnt
rmdir /tmpmnt
e2fsck -y $DATA_PARTITION

fsck_end=`date +%s`
echo "Finished checking, took $((fsck_end-fsck_start)) second(s)"
mount -o discard,data=journal $DATA_PARTITION /data

echo "Checking rootfs filesystem integrity"
fsck_start=`date +%s`
e2fsck -y /data/rootfs.img
fsck_end=`date +%s`
echo "Finished checking, took $((fsck_end-fsck_start)) second(s)"

mount /data/rootfs.img /target

mkdir -p /target/data # in new fs
mount --bind /data/${data_subdir} /target/data
else
echo "Failed to mount /target, device node '$DATA_PARTITION' not found!" >> /diagnosis.log
fi
mount
else
echo "Failed to mount /target, device node '$DATA_PARTITION' not found!" >> /diagnosis.log
fi
mount
}

umount_stowaways() {
Expand Down