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#block-layer
QEMU preallocate filter could lose acknowledged guest writes
Races in multi-iothread setups left container image data reading back as zeroes after the guest was told the writes were on disk.
By sudoSamsung RFC pitches Rust UFS driver that skips SCSI midlayer
Maintainers warn the design duplicates midlayer work and may struggle for UFS contributor adoption.
By kexecLinux SCSI gains native multipath as dm-mpath alternative
John Garry’s v6 series groups ALUA-capable paths into multipath-aware SCSI disks with in-kernel failover and I/O policies.
By kexec