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    SubjectRe: What to do about the 2TB limit on HDIO_GETGEO ?
    Andrew Morton wrote:
    > On Fri, 11 Apr 2008 16:25:32 -0700 "Dan Williams" <dan.j.williams@intel.com> wrote:
    >
    >>> It doesn't really seem to be to belong under class at all. I would suggest
    >>> /sys/dev/char/ and /sys/dev/block/, for char and block respectively.
    >>>
    >> This thread fizzled out without a patch... here goes:
    >>
    >> ...
    >>
    >> sysfs: add /sys/dev/{char,block} to lookup sysfs path by major:minor
    >
    > Crickets are chirping and I can't remember what the conclusion to all this
    > was. In fact the thread was more than ten-deep so I probably fell asleep.
    ..

    Last I recall, Greg was vehemently opposed to having direct path access
    by device number in sysfs, but many other people saw benefit.

    Myself (the originator), I simply decided that my sysfs access code has
    to work with older kernels too, so for now I'm just doing a brute force
    tree search to find things in sysfs. I did get the code size down smaller
    for it, but it's still a pain.

    When the direct access feature goes in, I'll just change my code to try it first,
    and then still fall back to the tree search method on failure.

    > I queued it up so that others cannot do the same ;)
    ..

    Good!


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