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blockjob: Add "ready" field

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When a block job signals readiness, this is currently reported only
through QMP. If qemu wants to use block jobs for internal tasks, there
needs to be another way to correctly detect when a block job may be
completed.

For this reason, introduce a bool "ready" which is set when the block
job may be completed.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-id: 1414159063-25977-6-git-send-email-mreitz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Max Reitz 2014-10-24 15:57:34 +02:00 • committed by Stefan Hajnoczi
parent 345f9e1b04
commit ef6dbf1e46
3 changed files with 11 additions and 1 deletions
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4
qapi/block-core.json
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@ -514,12 +514,14 @@
#
# @io-status: the status of the job (since 1.3)
#
# @ready: true if the job may be completed (since 2.2)
#
# Since: 1.1
##
{ 'type': 'BlockJobInfo',
'data': {'type': 'str', 'device': 'str', 'len': 'int',
'offset': 'int', 'busy': 'bool', 'paused': 'bool', 'speed': 'int',
'io-status': 'BlockDeviceIoStatus'} }
'io-status': 'BlockDeviceIoStatus', 'ready': 'bool'} }
##
# @query-block-jobs: