Merge tag 'nvme-5.18-2022-03-03' of git://git.infradead.org/nvme into for-5.18/drivers

Merge tag 'nvme-5.18-2022-03-03' of git://git.infradead.org/nvme into for-5.18/drivers

Pull NVMe updates from Christoph:

"nvme updates for Linux 5.18

 - add vectored-io support for user-passthrough (Kanchan Joshi)
 - add verbose error logging (Alan Adamson)
 - support buffered I/O on block devices in nvmet (Chaitanya Kulkarni)
 - central discovery controller support (Martin Belanger)
 - fix and extended the globally unique idenfier validation (me)
 - move away from the deprecated IDA APIs (Sagi Grimberg)
 - misc code cleanup (Keith Busch, Max Gurtovoy, Qinghua Jin,
   Chaitanya Kulkarni)"

* tag 'nvme-5.18-2022-03-03' of git://git.infradead.org/nvme: (27 commits)
  nvme: check that EUI/GUID/UUID are globally unique
  nvme: check for duplicate identifiers earlier
  nvme: fix the check for duplicate unique identifiers
  nvme: cleanup __nvme_check_ids
  nvme: remove nssa from struct nvme_ctrl
  nvme: explicitly set non-error for directives
  nvme: expose cntrltype and dctype through sysfs
  nvme: send uevent on connection up
  nvme: add vectored-io support for user-passthrough
  nvme: add verbose error logging
  nvme: add a helper to initialize connect_q
  nvme-rdma: add helpers for mapping/unmapping request
  nvmet-tcp: replace ida_simple[get|remove] with the simler ida_[alloc|free]
  nvmet-rdma: replace ida_simple[get|remove] with the simler ida_[alloc|free]
  nvmet-fc: replace ida_simple[get|remove] with the simler ida_[alloc|free]
  nvmet: replace ida_simple[get|remove] with the simler ida_[alloc|free]
  nvme-fc: replace ida_simple[get|remove] with the simler ida_[alloc|free]
  nvme: replace ida_simple[get|remove] with the simler ida_[alloc|free]
  nvmet: allow bdev in buffered_io mode
  nvmet: use i_size_read() to set size for file-ns
  ...