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authorKeith Busch <[email protected]>2015-01-07 18:55:48 -0700
committerJens Axboe <[email protected]>2015-01-08 09:00:29 -0700
commitc917dfe52834979610d45022226445d1dc7c67d8 (patch)
tree75548167908bbd44b55631879c54840bde339dfc /tools/perf/scripts/python/call-graph-from-postgresql.py
parenteb130dbfc40eabcd4e10797310bda6b9f6dd7e76 (diff)
NVMe: Start all requests
Once the nvme callback is set for a request, the driver can start it and make it available for timeout handling. For timed out commands on a device that is not initialized, this fixes potential deadlocks that can occur on startup and shutdown when a device is unresponsive since they can now be cancelled. Asynchronous requests do not have any expected timeout, so these are using the new "REQ_NO_TIMEOUT" request flags. Signed-off-by: Keith Busch <[email protected]> Signed-off-by: Jens Axboe <[email protected]>
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