tree 75548167908bbd44b55631879c54840bde339dfc
parent eb130dbfc40eabcd4e10797310bda6b9f6dd7e76
author Keith Busch <keith.busch@intel.com> 1420682148 -0700
committer Jens Axboe <axboe@fb.com> 1420732829 -0700

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 <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>