1419e8d9d8
In async data path, when vring state changes or device is destroyed, it is necessary to know the number of in-flight packets in DMA engine. This patch provides a thread unsafe API to return the number of in-flight packets for a vhost queue without using any lock. Signed-off-by: Xuan Ding <xuan.ding@intel.com> Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com> |
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