On 03/26/2014 06:43 AM, Ilya Dryomov wrote:
> It looks like img_request kref currenlty exists for posterity only.
> Unless I'm missing something, its counter is set to 1 in
> rbd_img_request_create() and is not incremented anywhere else, which
> means that the instant rbd_img_request_put() is called, img_request is
> freed. I naively assumed it was incremented and decremented in
> rbd_img_obj_request_add() and rbd_img_obj_request_del() respectively..
> Maybe that's something we should look at first?
I believe it was something that I never finished implementing.
So yes, the kref is there to be used, it just isn't, really.
If you want to give it a try, be my guest. I'll review it
carefully. (I can't really test my changes very well anyway.)
If you want me to do it, let me know.
-Alex
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