• Jan Engelhardt's avatar
    xfs: add blockdev name to kthreads · e2a07812
    Jan Engelhardt authored
    
    
    This allows to see in `ps` and similar tools which kthreads are
    allotted to which block device/filesystem, similar to what jbd2
    does. As the process name is a fixed 16-char array, no extra
    space is needed in tasks.
    
      PID TTY      STAT   TIME COMMAND
        2 ?        S      0:00 [kthreadd]
      197 ?        S      0:00  \_ [jbd2/sda2-8]
      198 ?        S      0:00  \_ [ext4-dio-unwrit]
      204 ?        S      0:00  \_ [flush-8:0]
     2647 ?        S      0:00  \_ [xfs_mru_cache]
     2648 ?        S      0:00  \_ [xfslogd/0]
     2649 ?        S      0:00  \_ [xfsdatad/0]
     2650 ?        S      0:00  \_ [xfsconvertd/0]
     2651 ?        S      0:00  \_ [xfsbufd/ram0]
     2652 ?        S      0:00  \_ [xfsaild/ram0]
     2653 ?        S      0:00  \_ [xfssyncd/ram0]
    Signed-off-by: default avatarJan Engelhardt <jengelh@medozas.de>
    Reviewed-by: default avatarDave Chinner <david@fromorbit.com>
    e2a07812