XFS_PTR_SIZE
return XFS_PTR_SIZE;
return lengthOfDataFork / (XFS_KEY_SIZE + XFS_PTR_SIZE);
+ maxRecords * XFS_KEY_SIZE + (pos - 1) * XFS_PTR_SIZE);
return availableSpace / (XFS_KEY_SIZE + XFS_PTR_SIZE);
+ (pos - 1) * XFS_PTR_SIZE;