<em>xfs_fsr</em> is used for Defragmentaion of xfs files. It works by improving the organization of the disk extents of every file to ensure that contiguous space is being used. This tool performs online defragmentation meaning that it can be run on a file system that is currently mounted and in use, just be aware of the increased I/O usage that will come as a result , it may be best to run it during a period of low disk activity if possible on a production system.
The code is tested and is correct. If you put a semi colon ' ; ' at the end of every statement then your answer will be calculated but matlab doesn't show it until you ask i.e. typing the variable (Va, Vb, Vc )and press enter.
