Block patches for 2.1.0-rc0

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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block patches for 2.1.0-rc0

# gpg: Signature made Fri 27 Jun 2014 19:50:32 BST using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"

* remotes/kevin/tags/for-upstream: (47 commits)
  iotests: Fix 083 for out-of-tree builds
  iotests: Drop Python version from 065's Shebang
  iotests: Use $PYTHON for Python scripts
  iotests: Source common.env
  configure: Enable out-of-tree iotests
  iotests: Allow out-of-tree run
  block.c: Don't return success for bdrv_append_temp_snapshot() failure
  qemu-iotests: Add TestRepairQuorum to 041 to test drive-mirror node-name mode.
  block: Add replaces argument to drive-mirror
  blockjob: Fix recent BLOCK_JOB_ERROR regression
  blockjob: Fix recent BLOCK_JOB_READY regression
  virtio-blk: Rename complete_request_early to complete_request_vring
  virtio-blk: Unify {non-,}dataplane's request handlings
  virtio-blk: Schedule BH in the right context
  virtio-blk: Export request handling functions to dataplane
  virtio-blk: Make request completion function virtual
  block: acquire AioContext in qmp_query_blockstats()
  block: make bdrv_query_stats() static
  virtio-blk: Fix and clean up the in_sg and out_sg check
  virtio-blk: Fill in VirtIOBlockReq.out in dataplane code
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

qapi/block-core.json

@@ -765,6 +765,13 @@
 # @format: #optional the format of the new destination, default is to
 #          probe if @mode is 'existing', else the format of the source
 #
+# @node-name: #optional the new block driver state node name in the graph
+#             (Since 2.1)
+#
+# @replaces: #optional with sync=full graph node name to be replaced by the new
+#            image when a whole image copy is done. This can be used to repair
+#            broken Quorum files. (Since 2.1)
+#
 # @mode: #optional whether and how QEMU should create a new image, default is
 #        'absolute-paths'.
 #
@@ -797,6 +804,7 @@
 ##
 { 'command': 'drive-mirror',
   'data': { 'device': 'str', 'target': 'str', '*format': 'str',
+            '*node-name': 'str', '*replaces': 'str',
             'sync': 'MirrorSyncMode', '*mode': 'NewImageMode',
             '*speed': 'int', '*granularity': 'uint32',
             '*buf-size': 'int', '*on-source-error': 'BlockdevOnError',
@@ -1329,12 +1337,15 @@
 #
 # @vote-threshold: the vote limit under which a read will fail
 #
+# @rewrite-corrupted: #optional rewrite corrupted data when quorum is reached
+#                     (Since 2.1)
+#
 # Since: 2.0
 ##
 { 'type': 'BlockdevOptionsQuorum',
   'data': { '*blkverify': 'bool',
             'children': [ 'BlockdevRef' ],
-            'vote-threshold': 'int' } }
+            'vote-threshold': 'int', '*rewrite-corrupted': 'bool' } }
 
 ##
 # @BlockdevOptions
@@ -1545,19 +1556,32 @@
 { 'event': 'BLOCK_JOB_ERROR',
   'data': { 'device'   : 'str',
             'operation': 'IoOperationType',
-            'action'   : 'BlockdevOnError' } }
+            'action'   : 'BlockErrorAction' } }
 
 ##
 # @BLOCK_JOB_READY
 #
 # Emitted when a block job is ready to complete
 #
+# @type: job type
+#
 # @device: device name
 #
+# @len: maximum progress value
+#
+# @offset: current progress value. On success this is equal to len.
+#          On failure this is less than len
+#
+# @speed: rate limit, bytes per second
+#
 # Note: The "ready to complete" status is always reset by a @BLOCK_JOB_ERROR
 # event
 #
 # Since: 1.3
 ##
 { 'event': 'BLOCK_JOB_READY',
-  'data': { 'device': 'str' } }
+  'data': { 'type'  : 'BlockJobType',
+            'device': 'str',
+            'len'   : 'int',
+            'offset': 'int',
+            'speed' : 'int' } }