tree 9fe6efa021b26fbf3a4866ca82aa4b63d7029d5d
parent 2d29c9f89fcd9bf408fcdaaf515c90a169f22ecd
author Jianchao Wang <jianchao.w.wang@oracle.com> 1539338845 +0800
committer Jens Axboe <axboe@kernel.dk> 1539466919 -0600

blk-mq: adjust debugfs and sysfs register when updating nr_hw_queues

blk-mq debugfs and sysfs entries need to be removed before updating
queue map, otherwise, we get get wrong result there. This patch fixes
it and remove the redundant debugfs and sysfs register/unregister
operations during __blk_mq_update_nr_hw_queues.

Signed-off-by: Jianchao Wang <jianchao.w.wang@oracle.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>