On 5/19/18 1:44 AM, Ming Lei wrote: > When the allocation process is scheduled back and the mapped hw queue is > changed, do one extra wake up on orignal queue for compensating wake up > miss, so other allocations on the orignal queue won't be starved. > > This patch fixes one request allocation hang issue, which can be > triggered easily in case of very low nr_request. Can you explain what the actual bug is? The commit message doesn't really say, it just explains what the code change does. What wake up miss? -- Jens Axboe
