We encountered random disk IO performance drop since qemu-5.0.0, and this patch fixes it.
Commit message in c740ad92 implied to adjust coroutine pool size adaptively, so I tried to implement this. Could you review this patch? Hiroki Narukawa (1): util: adjust coroutine pool size to virtio block queue hw/block/virtio-blk.c | 3 +++ include/qemu/coroutine.h | 5 +++++ util/qemu-coroutine.c | 15 +++++++++++---- 3 files changed, 19 insertions(+), 4 deletions(-) -- 2.17.1
