Re: Inhibiting plug and play

[Greg KH <gregkh@linuxfoundation.org>]

On Tue, Jun 18, 2013 at 01:45:09PM -0400, Phillip Susi wrote:
> Various tools, but most notably partitioners, manipulate disks in such
> a way that they need to prevent the rest of the system from racing
> with them while they are in the middle of manipulating the disk.
> Presently this is done with a hodge podge of hacks that involve
> running some script or executable to temporarily hold off on some
> aspects ( typically only auto mounting ) of plug and play processing.
>  Which one depends on whether you are running hal, udisks, udisks2, or
> systemd.
> 
> There really needs to be a proper way at a lower level, either udev,
> or maybe in the kernel, to inhibit processing events until the tool
> changing the device has finished completely.  The question is, should
> this be in the kernel, or in udev, and what should the interface be?

What events are you wishing to inhibit?  And who is in control of them?

thanks,

greg k-h