Commit 1f455c8d authored Feb 10, 2021 by Kelvin Zhang Committed by Mohammad Samiul Islam Feb 17, 2021

Create apex reserved dir for update_engine

When installing an OTA, update_engine needs to reserve some space on
filesystem by writing to a specific directory(/data/apex/ota_reserved/),
therefore we need to create this dir on system start up.

We are also pro-actively enabling encryption on this directory so that
we can create hard links to /data/apex/decompressed. This will be needed
when we start decompresssing capex from post-install script before
reboot and on boot we can then simply hard link to these files.

Test: th
Bug: 172911822

Change-Id: Ia6a63efcedcfdad9817ba88b54f96683d34df6ce

parent 286e5aba

rootdir/init.rc

+1 −0

Original line number	Diff line number	Diff line
		@@ -659,6 +659,7 @@ on post-fs-data
		mkdir /data/apex/hashtree 0700 root system
		mkdir /data/apex/sessions 0700 root system
		mkdir /data/app-staging 0751 system system encryption=DeleteIfNecessary
		mkdir /data/apex/ota_reserved 0700 root system encryption=Require
		start apexd

		# Avoid predictable entropy pool. Carry over entropy from previous boot.