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    Subject/proc/stat missing disk_io info
    Date
    Hi all,

    I was wondering why some of my disks don't show up in /proc/stat's disk_io
    line. Specifically, my line says:

    disk_io: (2,0):(144,144,288,0,0) (3,0):(35,35,140,0,0)

    This equates to my floppy and first cdrom. I also have a second cdrom (RW)
    and 2 hard disks. Looking at the code (kstat_read_proc in
    fs/proc/proc_misc.c) it is looping only up to DK_MAX_MAJOR which is defined
    as 16 in kernel_stat.h. The problem is that my 2 HDs have a major number of
    22.

    I don't know enough to produce a patch, that is, what should DK_MAX_MAJOR be
    set to, but I believe the above is the problem.



    Thanks,

    --Rainer

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