Sebastien Boeuf 8f434df1fb vhost_user: Adapt backends to let handle_event be immutable
Both blk, net and fs backends have been updated to avoid the requirement
of having handle_event(&mut self). This will allow the backend crate to
avoid taking a write lock onto the backend object, which will remove the
potential contention point when multiple threads will be handling
multiqueues.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
2020-04-14 14:11:41 +02:00
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