A 64-bit integer is easier to deal with than char[8], and has no
difference over the wire.  This series stems from a review of a patch
I first submitted to the userspace NBD documentation:

https://lists.debian.org/nbd/2023/03/msg00031.html

Eric Blake (3):
  uapi nbd: improve doc links to userspace spec
  uapi nbd: add cookie alias to handle
  block nbd: use req.cookie instead of req.handle

 Documentation/admin-guide/blockdev/nbd.rst |  2 +-
 drivers/block/nbd.c                        |  4 ++--
 include/uapi/linux/nbd.h                   | 25 +++++++++++++++++-----
 3 files changed, 23 insertions(+), 8 deletions(-)

-- 
2.39.2