Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 18972708 authored by David Anderson's avatar David Anderson
Browse files

liblp: Add API for adding predetermined linear extents to partitions 

Bug: 121210348
Test: manual test
Change-Id: Ie9af456d5193e962a3bcf0cc5dcd22e794d143f6
parent 1476931e

fs_mgr/liblp/builder.cpp

+13 −0
Original line number Diff line number Diff line
@@ -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

fs_mgr/liblp/include/liblp/builder.h

+4 −0
Original line number Diff line number Diff line
@@ -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).

    //