What kernel is this on? As of Linux 6.9 we are now always freezing the queue while updating the logical_block_size in the nvme driver, so there should be no inflight I/O while it is changing.
What kernel is this on? As of Linux 6.9 we are now always freezing the queue while updating the logical_block_size in the nvme driver, so there should be no inflight I/O while it is changing.