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authorPaolo Bonzini <pbonzini@redhat.com>2011-10-25 12:53:34 +0200
committerKevin Wolf <kwolf@redhat.com>2011-10-28 19:25:52 +0200
commitc7bae6a75b5b43d560f5b18386447842f9bfec37 (patch)
treef7ae6100fb19a7d1eb63358bba0afceec403786d /thunk.h
parente88c591d63ed1bc8520f4f276bebd77c22e4ec72 (diff)
scsi-disk: bump SCSIRequest reference count until aio completion runs
In some cases a request may be canceled before the completion callback runs. Keep a reference to the request between starting an AIO operation and the corresponding scsi_req_cancel or scsi_*_complete. When a request has to be retried, the request can be dropped because scsi_dma_restart_bh only looks at requests that are enqueued. As such, they always have at least a reference. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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