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liblp: MetadataBuilder::HasBlockDevice

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Query whether a block device is used in the metadata.

Test: pass
Bug: 118506262
Change-Id: I67196b68918ac232e735b10a850299f8653e4d3f
This commit is contained in:
Yifan Hong 2018-11-14 12:53:57 -08:00
parent 5729cff611
commit dca3b3bb2c
2 changed files with 8 additions and 0 deletions
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5
fs_mgr/liblp/builder.cpp
View file

@ -713,6 +713,11 @@ bool MetadataBuilder::FindBlockDeviceByName(const std::string& partition_name,
return false;
}
bool MetadataBuilder::HasBlockDevice(const std::string& partition_name) const {
uint32_t index;
return FindBlockDeviceByName(partition_name, &index);
}
bool MetadataBuilder::GetBlockDeviceInfo(const std::string& partition_name,
BlockDeviceInfo* info) const {
uint32_t index;

3
fs_mgr/liblp/include/liblp/builder.h
View file

@ -248,6 +248,9 @@ class MetadataBuilder {
// false is returned.
bool ImportPartitions(const LpMetadata& metadata, const std::set<std::string>& partition_names);
// Return true if a block device is found, else false.
bool HasBlockDevice(const std::string& partition_name) const;
private:
MetadataBuilder();
MetadataBuilder(const MetadataBuilder&) = delete;