This conatains the support for TP4004, Asymmetric Namespace Access, which makes NVMe multipathing usable in practice. The following changes since commit cdcdcaae8450a975e7d07e1bfec21f9b8c016d0c: scsi: virtio_scsi: fix pi_bytes{out,in} on 4 KiB block size devices (2018-07-26 15:49:43 -0600) are available in the Git repository at: git://git.infradead.org/nvme.git nvme-4.19 for you to fetch changes up to b369b30cf510fe94d8884837039362e2ec223cec: nvmet: use Retain Async Event bit to clear AEN (2018-07-27 19:14:31 +0200) ---------------------------------------------------------------- Chaitanya Kulkarni (1): nvmet: use Retain Async Event bit to clear AEN Christoph Hellwig (9): nvme.h: add support for the log specific field nvme.h: add ANA definitions nvme: simplify the API for getting log pages nvme: remove nvme_req_needs_failover nvme: add ANA support nvmet: keep a port pointer in nvmet_ctrl nvmet: track and limit the number of namespaces per subsystem nvmet: add minimal ANA support nvmet: support configuring ANA groups drivers/nvme/host/core.c | 77 +++++---- drivers/nvme/host/lightnvm.c | 5 +- drivers/nvme/host/multipath.c | 349 +++++++++++++++++++++++++++++++++++++--- drivers/nvme/host/nvme.h | 61 +++++-- drivers/nvme/target/admin-cmd.c | 104 +++++++++++- drivers/nvme/target/configfs.c | 190 ++++++++++++++++++++++ drivers/nvme/target/core.c | 71 +++++++- drivers/nvme/target/nvmet.h | 53 +++++- include/linux/nvme.h | 52 +++++- 9 files changed, 884 insertions(+), 78 deletions(-)