commit 37d492958691457006e25f4a2f9d33cf273256ad
author Kelvin Zhang <zhangkelvin@google.com> Wed Dec 01 14:21:24 2021 -0800
committer Kelvin Zhang <zhangkelvin@google.com> Wed Dec 01 14:21:24 2021 -0800
tree 70c44ee106572511e53e3c5f98ca5b7a4831aa45
parent c06f0627c3611325bfab9d2af5932d3757bb1b6f

Explicitly set EROFS compression parameter

OTA will need to know the compression parameter used to construct EROFS
images. Currently, mkfs.erofs uses lz4hc,9 if the user didn't specify
one. But mkfs's default behavior is subject to change in future
versions. Therefore, explicitly specify the compression parameters so
OTA tooling can properly encode/decode erofs images.

Test: th
Change-Id: Ibbf67502827ee79437b766349be289048e685759

core/Makefile

diff --git a/core/Makefile b/core/Makefile
index 37d09f5..ee3aada 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1597,6 +1597,7 @@
     $(BOARD_ODM_DLKMIMAGE_FILE_SYSTEM_TYPE) \
   ,erofs),)
 INTERNAL_USERIMAGES_DEPS += $(MKEROFSUSERIMG)
+BOARD_EROFS_COMPRESSOR ?= "lz4hc,9"
 endif
 
 ifneq ($(filter \