[Devel] [PATCH vz9] blk-throttle: Fix io statistics for cgroup v1

From: Jinke Han After commit f382fb0bcef4 ("block: remove legacy IO schedulers"), blkio.throttle.io_serviced and blkio.throttle.io_service_bytes become the only stable io stats interface of cgroup v1, and these statistics are done in the blk-throttle code. But the current code only counts the bio

[Devel] [PATCH RHEL9] fs/fuse kio: always ack RIO_MSG_RDMA_READ_REQ received from csd.

In our userspace RDMA implementation, it is required that every RIO_MSG_RDMA_READ_REQ msg must be acked strictly in order. However this rule can be broken due to a bug in kio, which though is triggered by very abnormal hardware behaviour that it can take very long time(>10s) for a WR to complete.