Make source partitions writable during update
In VAB updates, we need to write FEC corrected data back to source
partition to recover from corrupted partitions. Therefore mark
source partitions as writable.
Test: th
Bug: 351928254
Change-Id: I4e0b3513434dfab47e0cb78ce75cb712ffd3a5bb
diff --git a/aosp/dynamic_partition_control_android.cc b/aosp/dynamic_partition_control_android.cc
index e950a2e..af46b35 100644
--- a/aosp/dynamic_partition_control_android.cc
+++ b/aosp/dynamic_partition_control_android.cc
@@ -199,7 +199,7 @@
};
bool success = false;
if (GetVirtualAbFeatureFlag().IsEnabled() && target_supports_snapshot_ &&
- force_writable && ExpectMetadataMounted()) {
+ slot != source_slot_ && force_writable && ExpectMetadataMounted()) {
// Only target partitions are mapped with force_writable. On Virtual
// A/B devices, target partitions may overlap with source partitions, so
// they must be mapped with snapshot.
@@ -1247,7 +1247,7 @@
}
}
- bool force_writable = (slot != current_slot) && !not_in_payload;
+ const bool force_writable = !not_in_payload;
if (MapPartitionOnDeviceMapper(
super_device, partition_name_suffix, slot, force_writable, device)) {
return DynamicPartitionDeviceStatus::SUCCESS;