donjohanliebert/device_xiaomi_sm6150-common
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sm6150-common: Switch to EROFS for relevant partitions

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- EROFS offers much more compressed partition sizes compared to the likes of ext4 albeit being read-only.
- We have switched to EROFS for /system, /system_ext, /product, /odm and /vendor.
- This patch was inspired by [1].

[1]: 2b52a00408

Change-Id: I438f6b88ede93fe7e5d581439ba630b5c5440a48
Signed-off-by: Cyber Knight <cyberknight755@gmail.com>
Signed-off-by: donjohanliebert <donjohanliebert@gmail.com>
This commit is contained in:
Cyber Knight 2022-05-27 19:49:01 +08:00 committed by donjohanliebert
parent 03bc03875e
commit 5f8ce774dd
4 changed files with 19 additions and 5 deletions
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10
BoardConfigCommon.mk
View File

@ -109,11 +109,11 @@ BOARD_SUPER_PARTITION_GROUPS := qti_dynamic_partitions
BOARD_QTI_DYNAMIC_PARTITIONS_PARTITION_LIST := odm product system system_ext vendor BOARD_QTI_DYNAMIC_PARTITIONS_PARTITION_LIST := odm product system system_ext vendor
BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4 BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4
BOARD_ODMIMAGE_FILE_SYSTEM_TYPE := ext4 BOARD_ODMIMAGE_FILE_SYSTEM_TYPE := erofs
BOARD_PRODUCTIMAGE_FILE_SYSTEM_TYPE := ext4 BOARD_PRODUCTIMAGE_FILE_SYSTEM_TYPE := erofs
BOARD_SYSTEMIMAGE_FILE_SYSTEM_TYPE := ext4 BOARD_SYSTEMIMAGE_FILE_SYSTEM_TYPE := erofs
BOARD_SYSTEM_EXTIMAGE_FILE_SYSTEM_TYPE := ext4 BOARD_SYSTEM_EXTIMAGE_FILE_SYSTEM_TYPE := erofs
BOARD_VENDORIMAGE_FILE_SYSTEM_TYPE := ext4 BOARD_VENDORIMAGE_FILE_SYSTEM_TYPE := erofs
BOARD_USES_METADATA_PARTITION := true BOARD_USES_METADATA_PARTITION := true

5
rootdir/etc/fstab.default
View File

@ -34,10 +34,15 @@
#<src> <mnt_point> <type> <mnt_flags and options> <fs_mgr_flags> #<src> <mnt_point> <type> <mnt_flags and options> <fs_mgr_flags>
system /system ext4 ro,barrier=1,discard wait,avb,logical,first_stage_mount,avb_keys=/avb/q-gsi.avbpubkey:/avb/r-gsi.avbpubkey:/avb/s-gsi.avbpubkey system /system ext4 ro,barrier=1,discard wait,avb,logical,first_stage_mount,avb_keys=/avb/q-gsi.avbpubkey:/avb/r-gsi.avbpubkey:/avb/s-gsi.avbpubkey
system /system erofs ro wait,avb,logical,first_stage_mount,avb_keys=/avb/q-gsi.avbpubkey:/avb/r-gsi.avbpubkey:/avb/s-gsi.avbpubkey
system_ext /system_ext ext4 ro,barrier=1,discard wait,avb,logical,first_stage_mount system_ext /system_ext ext4 ro,barrier=1,discard wait,avb,logical,first_stage_mount
system_ext /system_ext erofs ro wait,avb,logical,first_stage_mount
product /product ext4 ro,barrier=1,discard wait,avb,logical,first_stage_mount product /product ext4 ro,barrier=1,discard wait,avb,logical,first_stage_mount
product /product erofs ro wait,avb,logical,first_stage_mount
vendor /vendor ext4 ro,barrier=1,discard wait,avb,logical,first_stage_mount vendor /vendor ext4 ro,barrier=1,discard wait,avb,logical,first_stage_mount
vendor /vendor erofs ro wait,avb,logical,first_stage_mount
odm /odm ext4 ro,barrier=1,discard wait,avb,logical,first_stage_mount odm /odm ext4 ro,barrier=1,discard wait,avb,logical,first_stage_mount
odm /odm erofs ro wait,avb,logical,first_stage_mount
/dev/block/bootdevice/by-name/cache /cache ext4 nosuid,noatime,nodev,barrier=1 wait /dev/block/bootdevice/by-name/cache /cache ext4 nosuid,noatime,nodev,barrier=1 wait
/dev/block/by-name/metadata /metadata ext4 noatime,nosuid,nodev,discard wait,check,formattable,first_stage_mount /dev/block/by-name/metadata /metadata ext4 noatime,nosuid,nodev,discard wait,check,formattable,first_stage_mount

5
rootdir/etc/fstab.emmc
View File

@ -34,10 +34,15 @@
#<src> <mnt_point> <type> <mnt_flags and options> <fs_mgr_flags> #<src> <mnt_point> <type> <mnt_flags and options> <fs_mgr_flags>
system /system ext4 ro,barrier=1,discard wait,avb,logical,first_stage_mount,avb_keys=/avb/q-gsi.avbpubkey:/avb/r-gsi.avbpubkey:/avb/s-gsi.avbpubkey system /system ext4 ro,barrier=1,discard wait,avb,logical,first_stage_mount,avb_keys=/avb/q-gsi.avbpubkey:/avb/r-gsi.avbpubkey:/avb/s-gsi.avbpubkey
system /system erofs ro wait,avb,logical,first_stage_mount,avb_keys=/avb/q-gsi.avbpubkey:/avb/r-gsi.avbpubkey:/avb/s-gsi.avbpubkey
system_ext /system_ext ext4 ro,barrier=1,discard wait,avb,logical,first_stage_mount system_ext /system_ext ext4 ro,barrier=1,discard wait,avb,logical,first_stage_mount
system_ext /system_ext erofs ro wait,avb,logical,first_stage_mount
product /product ext4 ro,barrier=1,discard wait,avb,logical,first_stage_mount product /product ext4 ro,barrier=1,discard wait,avb,logical,first_stage_mount
product /product erofs ro wait,avb,logical,first_stage_mount
vendor /vendor ext4 ro,barrier=1,discard wait,avb,logical,first_stage_mount vendor /vendor ext4 ro,barrier=1,discard wait,avb,logical,first_stage_mount
vendor /vendor erofs ro wait,avb,logical,first_stage_mount
odm /odm ext4 ro,barrier=1,discard wait,avb,logical,first_stage_mount odm /odm ext4 ro,barrier=1,discard wait,avb,logical,first_stage_mount
odm /odm erofs ro wait,avb,logical,first_stage_mount
/dev/block/bootdevice/by-name/cache /cache ext4 nosuid,noatime,nodev,barrier=1 wait /dev/block/bootdevice/by-name/cache /cache ext4 nosuid,noatime,nodev,barrier=1 wait
/dev/block/by-name/metadata /metadata ext4 noatime,nosuid,nodev,discard wait,formattable,first_stage_mount /dev/block/by-name/metadata /metadata ext4 noatime,nosuid,nodev,discard wait,formattable,first_stage_mount

4
rootdir/etc/recovery.fstab
View File

@ -30,9 +30,13 @@
#device mount point fstype [device2] [length=] #device mount point fstype [device2] [length=]
system /system ext4 ro,barrier=1,discard wait,avb=vbmeta_system,logical,first_stage_mount system /system ext4 ro,barrier=1,discard wait,avb=vbmeta_system,logical,first_stage_mount
system /system erofs ro wait,avb=vbmeta_system,logical,first_stage_mount
system_ext /system_ext ext4 ro,barrier=1,discard wait,avb=vbmeta_system,logical,first_stage_mount system_ext /system_ext ext4 ro,barrier=1,discard wait,avb=vbmeta_system,logical,first_stage_mount
system_ext /system_ext erofs ro wait,avb=vbmeta_system,logical,first_stage_mount
vendor /vendor ext4 ro,barrier=1,discard wait,avb,logical,first_stage_mount vendor /vendor ext4 ro,barrier=1,discard wait,avb,logical,first_stage_mount
vendor /vendor erofs ro wait,avb,logical,first_stage_mount
product /product ext4 ro,barrier=1,discard wait,avb=vbmeta_system,logical,first_stage_mount product /product ext4 ro,barrier=1,discard wait,avb=vbmeta_system,logical,first_stage_mount
product /product erofs ro wait,avb=vbmeta_system,logical,first_stage_mount
/dev/block/bootdevice/by-name/cache /cache ext4 noatime,nosuid,nodev,barrier=1,data=ordered wait,check /dev/block/bootdevice/by-name/cache /cache ext4 noatime,nosuid,nodev,barrier=1,data=ordered wait,check
/dev/block/bootdevice/by-name/metadata /metadata ext4 noatime,nosuid,nodev,discard wait,check,formattable,first_stage_mount /dev/block/bootdevice/by-name/metadata /metadata ext4 noatime,nosuid,nodev,discard wait,check,formattable,first_stage_mount
/dev/block/bootdevice/by-name/userdata /data f2fs noatime,nosuid,nodev,discard wait,check,encryptable=footer /dev/block/bootdevice/by-name/userdata /data f2fs noatime,nosuid,nodev,discard wait,check,encryptable=footer