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0315476e78
The previous patch introduced ->alloc_sched_data and ->free_sched_data methods. This patch builds upon that by now using these methods during elevator switch and nr_hw_queue update. It's also ensured that scheduler-specific data is allocated and freed through the new callbacks outside of the ->freeze_lock and ->elevator_lock locking contexts, thereby preventing any dependency on pcpu_alloc_mutex. Reviewed-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Yu Kuai <yukuai@fnnas.com> Signed-off-by: Nilay Shroff <nilay@linux.ibm.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
888 lines
20 KiB
888 lines
20 KiB