On 3/5/25 16:42, Alexander Atanasov wrote:
On 3.03.25 11:37, Pavel Tikhomirov wrote:
This eventfd can be used to get an event when merge_backward start work
have finished and is waiting for completion.
What is the benefit of using eventfd versus devicemapper events?
In my understanding the benefit of eventfd compared to qcow2_get_event
is that we can poll on eventfd but with qcow2_get_event we can only
busy-wait.
But maybe I'm missing something, is there devicemapper native way to
poll events?
--
Best regards, Pavel Tikhomirov
Senior Software Developer, Virtuozzo.
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