Merge tag 'block-6.15-20250403' of git://git.kernel.dk/linux

Pull more block updates from Jens Axboe:

 - NVMe pull request via Keith:
      - PCI endpoint target cleanup (Damien)
      - Early import for uring_cmd fixed buffer (Caleb)
      - Multipath documentation and notification improvements (John)
      - Invalid pci sq doorbell write fix (Maurizio)

 - Queue init locking fix

 - Remove dead nsegs parameter from blk_mq_get_new_requests()

* tag 'block-6.15-20250403' of git://git.kernel.dk/linux:
  block: don't grab elevator lock during queue initialization
  nvme-pci: skip nvme_write_sq_db on empty rqlist
  nvme-multipath: change the NVME_MULTIPATH config option
  nvme: update the multipath warning in nvme_init_ns_head
  nvme/ioctl: move fixed buffer lookup to nvme_uring_cmd_io()
  nvme/ioctl: move blk_mq_free_request() out of nvme_map_user_request()
  nvme/ioctl: don't warn on vectorized uring_cmd with fixed buffer
  nvmet: pci-epf: Keep completion queues mapped
  block: remove unused nseg parameter