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block: add block-job-complete

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While streaming can be dropped as soon as it progressed through the whole
image, mirroring needs to be completed manually for two reasons: 1) so that
management knows exactly when the VM switches to the target; 2) because
for other use cases such as replication, we may leave the operation running
for the whole life of the virtual machine.

Add a new block job command that manually completes background operations.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Paolo Bonzini 2012-10-18 16:49:21 +02:00 • committed by Kevin Wolf
parent 65f4632243
commit aeae883baf
10 changed files with 99 additions and 1 deletions
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10
blockjob.c
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@ -99,6 +99,16 @@ void block_job_set_speed(BlockJob *job, int64_t speed, Error **errp)
job->speed = speed;
}
void block_job_complete(BlockJob *job, Error **errp)
{
if (job->paused || job->cancelled || !job->job_type->complete) {
error_set(errp, QERR_BLOCK_JOB_NOT_READY, job->bs->device_name);
return;
}
job->job_type->complete(job, errp);
}
void block_job_pause(BlockJob *job)
{
job->paused = true;