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Commit 5aa05274 authored by David Anderson's avatar David Anderson
Browse files

liblp: Remove uses of alignment_offset. 

alignment_offset restrictions were removed in R and are no longer
needed.

Bug: 180571070
Test: liblp_test
Change-Id: I43fa4a929c20cc8c6ec2fece71d5400351c13dbe
parent e3cdd294

fs_mgr/liblp/builder.cpp

+1 −6
Original line number Diff line number Diff line
@@ -383,11 +383,6 @@ static bool VerifyDeviceProperties(const BlockDeviceInfo& device_info) { 
               << " partition alignment is not sector-aligned.";

        return false;

    }

    if (device_info.alignment_offset > device_info.alignment) {

        LERROR << "Block device " << device_info.partition_name

               << " partition alignment offset is greater than its alignment.";

        return false;

    }

    return true;

}
@@ -489,7 +484,7 @@ bool MetadataBuilder::Init(const std::vector<BlockDeviceInfo>& block_devices, 
    // Compute the first free sector, factoring in alignment.

    uint64_t free_area_start = total_reserved;

    bool ok;

    if (super.alignment || super.alignment_offset) {

    if (super.alignment) {

        ok = AlignTo(free_area_start, super.alignment, &free_area_start);

    } else {

        ok = AlignTo(free_area_start, logical_block_size, &free_area_start);

fs_mgr/liblp/builder_test.cpp

+2 −7
Original line number Diff line number Diff line
@@ -176,10 +176,10 @@ TEST_F(BuilderTest, InternalAlignment) { 
    ASSERT_NE(super_device, nullptr);

    EXPECT_EQ(super_device->first_logical_sector, 1536);



    // Alignment offset without alignment doesn't mean anything.

    // Alignment offset without alignment is ignored.

    device_info.alignment = 0;

    builder = MetadataBuilder::New(device_info, 1024, 2);

    ASSERT_EQ(builder, nullptr);

    ASSERT_NE(builder, nullptr);



    // Test a small alignment with an alignment offset.

    device_info.alignment = 12 * 1024;
@@ -444,11 +444,6 @@ TEST_F(BuilderTest, MetadataTooLarge) { 
    device_info.alignment = 131072;

    builder = MetadataBuilder::New(device_info, kMetadataSize, 1);

    EXPECT_EQ(builder, nullptr);



    device_info.alignment = 0;

    device_info.alignment_offset = 32768 - LP_SECTOR_SIZE;

    builder = MetadataBuilder::New(device_info, kMetadataSize, 1);

    EXPECT_EQ(builder, nullptr);

}



TEST_F(BuilderTest, UpdateBlockDeviceInfo) {