Re: sync udev with sysfs

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On Wed, Sep 3, 2008 at 16:40, Ron Rindjunsky <rindjon@xxxxxxxxxxxxxx> wrote:

> i am a newbie to a the udev uses, so i'll thank any piece of
> information you can give.
> i am trying to use udev in the next fashion:
> every time my sdio bluetooth device is up, echo a value to sysfs entry
> of the driver from a script i am running from /lib/udev
> the problem seems to be that the sysfs entry i am trying to echo to is
> being created _after_ i do the echo.
> is there any way to sync between my echo command and the sysfs entry
> creation of the driver? i tried using WAIT_FOR_SYSFS but got nothing
> in this direction

We fixed almost all known timing issues in the kernel, and the former
WAIT_FOR_SYSFS rules file we used to ship is empty now. We try to
avoid to work around such issues in userspace if possible.

Maybe the bluetooth uevent timing in the kernel needs some attention? Marcel?

Thanks,
Kay
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