Messages in this thread | | | Date | Mon, 24 Nov 2008 13:31:24 +0000 | From | Al Viro <> | Subject | Re: [PATCH 1/2] md: make devices disappear when they are no longer needed. |
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On Mon, Nov 24, 2008 at 03:56:12PM +0900, Tejun Heo wrote:
> mddev holds module reference and till the gendisk is gone mddev won't > be gone, so as long as gendisk is around the respective mddev and > md.ko are around.
It doesn't and it *could* *not* - you can't drop the final reference to module from within that module, period.
> I don't think it's necessary to allow modules to unload while devices > are hot.
gendisk may stay referenced past the point when everything got closed and unregistered.
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