
When receiving a new aio read request, we first look for an existing transaction whose range will cover the read request by the time it completes. However, we weren't checking that the existing transaction was still active. If it had timed out, we were adding the request to a transaction which would never complete and had already been cancelled, resulting in a hang. Signed-off-by: Matthew Booth <mbooth@redhat.com> Tested-by: Richard W.M. Jones <rjones@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Read the documentation in qemu-doc.html or on http://wiki.qemu-project.org - QEMU team
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