File: //proc/fs/ext4/md0/mb_groups
#group: free frags first [ 2^0 2^1 2^2 2^3 2^4 2^5 2^6 2^7 2^8 2^9 2^10 2^11 2^12 2^13 ]
#0 : 22490 1 10278 [ 0 1 0 1 1 0 1 1 1 1 1 0 1 2 ]
#1 : 25047 25 458 [ 21 19 15 16 16 13 13 18 12 1 1 0 2 1 ]
#2 : 3964 3 1964 [ 0 0 1 1 1 1 1 0 1 1 1 1 0 0 ]
#3 : 32383 1 385 [ 1 1 1 1 1 1 1 0 0 1 1 1 1 3 ]
#4 : 13861 1 18907 [ 1 0 1 0 0 1 0 0 0 1 1 0 1 1 ]
#5 : 32383 1 385 [ 1 1 1 1 1 1 1 0 0 1 1 1 1 3 ]
#6 : 32768 1 0 [ 0 0 0 0 0 0 0 0 0 0 0 0 0 4 ]
#7 : 32383 1 385 [ 1 1 1 1 1 1 1 0 0 1 1 1 1 3 ]
#8 : 32768 1 0 [ 0 0 0 0 0 0 0 0 0 0 0 0 0 4 ]
#9 : 32383 1 385 [ 1 1 1 1 1 1 1 0 0 1 1 1 1 3 ]
#10 : 16384 1 16384 [ 0 0 0 0 0 0 0 0 0 0 0 0 0 2 ]
#11 : 32768 1 0 [ 0 0 0 0 0 0 0 0 0 0 0 0 0 4 ]
#12 : 32768 1 0 [ 0 0 0 0 0 0 0 0 0 0 0 0 0 4 ]
#13 : 32768 1 0 [ 0 0 0 0 0 0 0 0 0 0 0 0 0 4 ]
#14 : 32768 1 0 [ 0 0 0 0 0 0 0 0 0 0 0 0 0 4 ]
#15 : 32768 1 0 [ 0 0 0 0 0 0 0 0 0 0 0 0 0 4 ]
#16 : 28183 1 4585 [ 1 1 1 0 1 0 0 0 0 1 1 1 0 3 ]
#17 : 32768 1 0 [ 0 0 0 0 0 0 0 0 0 0 0 0 0 4 ]
#18 : 32768 1 0 [ 0 0 0 0 0 0 0 0 0 0 0 0 0 4 ]
#19 : 32768 1 0 [ 0 0 0 0 0 0 0 0 0 0 0 0 0 4 ]
#20 : 32768 1 0 [ 0 0 0 0 0 0 0 0 0 0 0 0 0 4 ]
#21 : 32768 1 0 [ 0 0 0 0 0 0 0 0 0 0 0 0 0 4 ]
#22 : 2480 23 0 [ 16 14 13 10 14 5 4 1 2 2 0 0 0 0 ]
#23 : 2552 16 3691 [ 10 11 10 10 8 1 1 1 2 1 1 0 0 0 ]