The basic issue is that:
migrate_fd_put_ready(): bdrv_flush_all();
Does:
block.c:
foreach block driver:
drv->flush(bs);
Which in the case of raw, is just fsync(s->fd).
Any submitted request is not queued or flushed which will lead to the
request being dropped after the live migration.
Is anyone working on fixing this? Does anyone have a clever idea how to
fix this without just waiting for all IO requests to complete?
---
Regards,
Anthony Liguori
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