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由 Paolo Bonzini 提交于
This is required to decouple block jobs from running in an AioContext. With multiqueue block devices, a BlockDriverState does not really belong to a single AioContext. The solution is to first wait until all I/O operations are complete; then loop in the main thread for the block job to complete entirely. Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com> Reviewed-by: NFam Zheng <famz@redhat.com> Message-Id: <1477565348-5458-3-git-send-email-pbonzini@redhat.com> Signed-off-by: NFam Zheng <famz@redhat.com>
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