[miker@miker-arch ~]$ sudo iotop -obtqqq | grep jbd2
13:40:28   335 be/3 root        0.00 B/s    0.00 B/s  0.00 %  2.09 % [jbd2/sda9-8]
13:40:30   335 be/3 root        0.00 B/s    0.00 B/s  0.00 %  7.34 % [jbd2/sda9-8]
13:40:32   335 be/3 root        0.00 B/s    0.00 B/s  0.00 %  2.08 % [jbd2/sda9-8]
13:40:33   118 be/3 root        0.00 B/s    7.55 K/s  0.00 %  4.02 % [jbd2/sda8-8]
13:40:34   335 be/3 root        0.00 B/s    0.00 B/s  0.00 %  2.10 % [jbd2/sda9-8]
13:40:35   335 be/3 root        0.00 B/s    0.00 B/s  0.00 %  2.11 % [jbd2/sda9-8]
13:40:37   335 be/3 root        0.00 B/s    0.00 B/s  0.00 %  2.13 % [jbd2/sda9-8]
13:40:39   335 be/3 root        0.00 B/s    0.00 B/s  0.00 %  2.14 % [jbd2/sda9-8]
13:40:42   335 be/3 root        0.00 B/s    0.00 B/s  0.00 %  2.15 % [jbd2/sda9-8]