i206m:/data/music# xfs_growfs /data
meta-data=/dev/sda1              isize=256    agcount=32, agsize=19073479 blks
         =                       sectsz=512   attr=0
data     =                       bsize=4096   blocks=610351328, imaxpct=25
         =                       sunit=0      swidth=0 blks, unwritten=1
naming   =version 2              bsize=4096  
log      =internal               bsize=4096   blocks=32768, version=1
         =                       sectsz=512   sunit=0 blks
realtime =none                   extsz=4096   blocks=0, rtextents=0