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Merge "liblp: Add API for adding predetermined linear extents to partitions"

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David Anderson 2019-01-04 23:03:10 +00:00 committed by Gerrit Code Review
commit c80c6ac9dd
2 changed files with 17 additions and 0 deletions
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13
fs_mgr/liblp/builder.cpp
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@ -983,5 +983,18 @@ bool MetadataBuilder::IsRetrofitDevice() const {
return GetBlockDevicePartitionName(block_devices_[0]) != LP_METADATA_DEFAULT_PARTITION_NAME;
}
bool MetadataBuilder::AddLinearExtent(Partition* partition, const std::string& block_device,
uint64_t num_sectors, uint64_t physical_sector) {
uint32_t device_index;
if (!FindBlockDeviceByName(block_device, &device_index)) {
LERROR << "Could not find backing block device for extent: " << block_device;
return false;
}
auto extent = std::make_unique<LinearExtent>(num_sectors, device_index, physical_sector);
partition->AddExtent(std::move(extent));
return true;
}
} // namespace fs_mgr
} // namespace android

4
fs_mgr/liblp/include/liblp/builder.h
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@ -219,6 +219,10 @@ class MetadataBuilder {
// Find a group by name. If no group is found, nullptr is returned.
PartitionGroup* FindGroup(const std::string& name);
// Add a predetermined extent to a partition.
bool AddLinearExtent(Partition* partition, const std::string& block_device,
uint64_t num_sectors, uint64_t physical_sector);
// Grow or shrink a partition to the requested size. This size will be
// rounded UP to the nearest block (512 bytes).
//