Reviewed-by: Sage Weil
On Thu, 13 Dec 2012, Alex Elder wrote:
> There is no check in rbd_remove() to see if anybody holds open the
> image being removed. That's not cool.
>
> Add a simple open count that goes up and down with opens and closes
> (releases) of the device, and don't allow an rbd
There is no check in rbd_remove() to see if anybody holds open the
image being removed. That's not cool.
Add a simple open count that goes up and down with opens and closes
(releases) of the device, and don't allow an rbd image to be removed
if the count is non-zero.
Protect the updates of the o
