The node insert/remove functions were added at the block generic layer.
COR-filter options structure was added to the QAPI.
The test case #310 was added to check the 'bottom' node limit for COR.
The 'supported_read_flags' member was added to the BDS structure
(with the flags check at the block generic layer for drivers).

v12:
  02: New.
  03: Only the temporary drop filter function left.
  05: New (suggested by Max)
  06: 'base' -> 'bottom' option.
  07: Fixes based on the review of the v11.
  08: New.
  09: The comment ext was modified.
  10: The read flags check at the block generic layer.
  11: COR flag was added.
  12: The condition was fixed.
  13: The 'backing-file' parameter returned. No deprecation.
  14: The COR-filter 'add' function replaced with the 'insert node' generic
      function. Fixes based on the review of the v11.

Andrey Shinkevich (14):
  copy-on-read: support preadv/pwritev_part functions
  block: add insert/remove node functions
  copy-on-read: add filter drop function
  qapi: add filter-node-name to block-stream
  qapi: create BlockdevOptionsCor structure for COR driver
  copy-on-read: pass bottom node name to COR driver
  copy-on-read: limit COR operations to bottom node
  iotests: add #310 to test bottom node in COR driver
  block: modify the comment for BDRV_REQ_PREFETCH flag
  block: include supported_read_flags into BDS structure
  copy-on-read: add support for read flags to COR-filter
  copy-on-read: skip non-guest reads if no copy needed
  stream: skip filters when writing backing file name to QCOW2 header
  block: apply COR-filter to block-stream jobs

 block.c                        |  49 ++++++++++++++
 block/copy-on-read.c           | 144 +++++++++++++++++++++++++++++++++++++----
 block/copy-on-read.h           |  32 +++++++++
 block/io.c                     |  12 +++-
 block/monitor/block-hmp-cmds.c |   4 +-
 block/stream.c                 | 117 ++++++++++++++++++++++-----------
 blockdev.c                     |  13 ++--
 include/block/block.h          |  11 +++-
 include/block/block_int.h      |  11 +++-
 qapi/block-core.json           |  27 +++++++-
 tests/qemu-iotests/030         |  51 ++-------------
 tests/qemu-iotests/030.out     |   4 +-
 tests/qemu-iotests/141.out     |   2 +-
 tests/qemu-iotests/245         |  22 +++++--
 tests/qemu-iotests/310         | 109 +++++++++++++++++++++++++++++++
 tests/qemu-iotests/310.out     |  15 +++++
 tests/qemu-iotests/group       |   3 +-
 17 files changed, 503 insertions(+), 123 deletions(-)
 create mode 100644 block/copy-on-read.h
 create mode 100755 tests/qemu-iotests/310
 create mode 100644 tests/qemu-iotests/310.out

-- 
1.8.3.1


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