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    SubjectRe: [lvm-devel] [PATCH] add kobject to struct mapped_device
    On Fri, Dec 20, 2002 at 09:49:52AM -0800, Greg KH wrote:
    > I saw that logic. I don't think sysfs can handle poll right now, but we
    > could modify the last access/modify/change time when the status changes
    > so stat(2) can be used on the file. This is how usbfs currently
    > notifies userspace of changes to their files. Would this be acceptable?

    Blech. The nice thing about a blocking operation like poll is that
    the process doesn't keep getting rescheduled to check if there is
    anything to do.

    - Joe
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