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Andrea Arcangeli authored
qemu_aio_wait by invoking the bh or one of the aio completion callbacks, could end up submitting new pending aio, breaking the invariant that qemu_aio_flush returns only when no pending aio is outstanding (possibly a problem for migration as such). Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Kevin Wolf <kwolf@redhat.com>
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