tree 27787556ce50efa174296b61b688cfb52d4bdb2b
parent 3110fc79606fb6003949246c6fb325dd43445273
author Jens Axboe <axboe@kernel.dk> 1540408571 -0600
committer Jens Axboe <axboe@kernel.dk> 1541623500 -0700

blk-mq: initial support for multiple queue maps

Add a queue offset to the tag map. This enables users to map
iteratively, for each queue map type they support.

Bump maximum number of supported maps to 2, we're now fully
able to support more than 1 map.

Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>