org.apache.hadoop.hdfs.protocol
Classes 
CorruptFileBlocks
FSConstants
SnapshotDiffReport
SnapshotDiffReport.DiffReportEntry
SnapshottableDirectoryStatus
Enums 
DatanodeInfo.AdminStates
HdfsConstants.DatanodeReportType
HdfsConstants.SafeModeAction
LayoutVersion.Feature
SnapshotDiffReport.DiffType
Exceptions 
FSLimitException.MaxDirectoryItemsExceededException
FSLimitException.PathComponentTooLongException
SnapshotAccessControlException
SnapshotException