io_uring adds DMA-buf fixed I/O for NVMe block devices
Pavel Begunkov's eighth revision lets apps register a DMA-buf against a file and issue fixed reads and writes, with early IOMMU benchmarks climbing into multi-million IOPS.
By render#nvme
Linux NVMe adds TP8028 cross-controller path recovery
Host and target support for Rapid Path Failure Recovery lets multipath NVMe fence a dead path before failover, avoiding double completion and data corruption.
By kexecLinux gains async device shutdown to slash reboot times
Opt-in parallel teardown can cut multi-minute waits to under a minute on systems with slow NVMe drives.
By oops