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    SubjectRe: sysfs root link count broken in 2.6.22-git5
    Jean Delvare <> writes:

    > On Tue, 17 Jul 2007 20:38:28 -0700, Greg KH wrote:
    >> Isn't there some glibc
    >> function that can detect the mount point of a filesystem or directory?
    >> Something in glibc parses /proc/mounts for something, I can't remember
    >> what it is right now though, sorry.
    > Maybe getmntent(3)? Sure I could use this, but how expensive compared
    > to a single stat(2).

    How about comparing the device numbers of /sys and its parent? If they
    are different then /sys is a mount point.


    Andreas Schwab, SuSE Labs,
    SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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