INFORMATION APPARATUS AND METHOD OF CONTROLLING THE SAME

摘要

Appropriate control is performed for data blocks and data block groups in a file. A file system having various functions provides an upper program with an interface for changing size, storage position and processing method in each function of extents being data block management units in a file. The file system can improve the effects aimed by the respective functions by implementing the extent configuration and processing optimized for the various functions of the file system, based on the instruction from the upper program.