File: //proc/self/root/proc/self/root/proc/thread-self/root/proc/fs/ext4/sda1/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 : 16589 28 558 [ 7 7 12 9 16 6 6 6 6 2 2 1 2 0 ]
#1 : 12256 10 554 [ 6 7 3 4 6 6 2 4 4 4 2 3 0 0 ]
#2 : 18042 28 490 [ 2 10 7 11 13 7 1 8 4 2 2 2 2 0 ]
#3 : 5256 23 552 [ 2 5 7 10 15 5 8 7 7 1 1 0 0 0 ]
#4 : 1679 33 504 [ 21 15 11 2 6 6 6 1 3 0 0 0 0 0 ]
#5 : 14410 26 562 [ 14 10 12 3 2 4 3 3 3 3 1 3 1 0 ]
#6 : 32275 1 493 [ 1 1 0 0 1 0 0 0 0 1 1 1 1 3 ]
#7 : 19928 1 552 [ 0 0 0 1 1 0 1 1 1 0 1 1 2 1 ]