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init: overlay: allow fs_mgr_overlayfs_required_devices to report partitions 

init add support for picking up partitions if specified by
fs_mgr_overlayfs_required_devices() as /dev/block/by-name/<partition>

Test: adb-remount-test.sh
Bug: 119885423
Change-Id: I6a4c3d9b5c2b406178f0acf0a86c52ab17209537
This commit is contained in:
Mark Salyzyn 2018-11-26 09:57:17 -08:00
parent 307a41fe9f
commit acf56c297f
1 changed files with 8 additions and 1 deletions
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9
init/first_stage_mount.cpp
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@ -413,7 +413,14 @@ bool FirstStageMount::MountPartitions() {
// heads up for instantiating required device(s) for overlayfs logic
const auto devices = fs_mgr_overlayfs_required_devices(device_tree_fstab_.get());
for (auto const& device : devices) {
InitMappedDevice(device);
if (android::base::StartsWith(device, "/dev/block/by-name/")) {
required_devices_partition_names_.emplace(basename(device.c_str()));
auto uevent_callback = [this](const Uevent& uevent) { return UeventCallback(uevent); };
uevent_listener_.RegenerateUevents(uevent_callback);
uevent_listener_.Poll(uevent_callback, 10s);
} else {
InitMappedDevice(device);
}
}
fs_mgr_overlayfs_mount_all(device_tree_fstab_.get());