regression: blktests nvme/004 failed on linux-stable 5.7.y

[Greg KH]

On Mon, Jun 29, 2020 at 06:02:23AM -0400, Yi Zhang wrote:
> Hello
> 
> commit[1] introduced regression that will lead blktest nvme/004 failed on v5.7.5, and commits [2] fixed this issue on latest linux tree.
> But commit[2] cannot be directly applied to stable tree due to dependceny[3], could you help backport the fix and dependency to stable tree, thanks.
> 
> 
> [1]
> 64f5e9cdd711 nvmet: fix memory leak when removing namespaces and controllers concurrently
> 
> [2]
> 819f7b88b48f nvmet: fail outstanding host posted AEN req
> 
> [3]
> 1cdf9f7670a7 nvmet: cleanups the loop in nvmet_async_events_process
> 696ece751366 nvmet: add async event tracing support

Why is this last commit needed?

The other ones are already queued up in the current queue, thanks.

greg k-h