[Libguestfs] [PATCH 0/5] Add NBD fast zero support to qemu client and server

[Eric Blake]

See the cross-post cover letter for more details:
https://www.redhat.com/archives/libguestfs/2019-August/msg00322.html

Based-on: https://lists.gnu.org/archive/html/qemu-devel/2019-08/msg04805.html
[Andrey Shinkevich block: workaround for unaligned byte range in fallocate()]

Eric Blake (5):
  nbd: Improve per-export flag handling in server
  nbd: Prepare for NBD_CMD_FLAG_FAST_ZERO
  nbd: Implement client use of NBD FAST_ZERO
  nbd: Implement server use of NBD FAST_ZERO
  nbd: Tolerate more errors to structured reply request

 docs/interop/nbd.txt |  3 +-
 include/block/nbd.h  |  6 +++-
 block/nbd.c          |  7 +++++
 blockdev-nbd.c       |  3 +-
 nbd/client.c         | 39 ++++++++++++++----------
 nbd/common.c         |  5 ++++
 nbd/server.c         | 70 ++++++++++++++++++++++++++------------------
 qemu-nbd.c           |  7 +++--
 8 files changed, 88 insertions(+), 52 deletions(-)

-- 
2.21.0