v2:
- split patch to two patches for better reviewing
- change BlockZoneWps's structure to an array of integers
- use only mutex lock on locking conditions of zone wps
- coding styles and clean-ups

v1:
- introduce zone append write

Sam Li (2):
  file-posix: add the tracking of the zones wp
  block: introduce zone append write for zoned devices

 block/block-backend.c              |  65 ++++++++++
 block/file-posix.c                 | 189 ++++++++++++++++++++++++++++-
 block/io.c                         |  21 ++++
 block/raw-format.c                 |   7 ++
 include/block/block-common.h       |  16 +++
 include/block/block-io.h           |   3 +
 include/block/block_int-common.h   |   8 ++
 include/block/raw-aio.h            |   4 +-
 include/sysemu/block-backend-io.h  |   9 ++
 qemu-io-cmds.c                     |  62 ++++++++++
 tests/qemu-iotests/tests/zoned.out |   7 ++
 tests/qemu-iotests/tests/zoned.sh  |   9 ++
 12 files changed, 396 insertions(+), 4 deletions(-)

-- 
2.37.3