Add batched mq_ops.queue_rqs() support in null_blk for testing. The implementation is much easy since null_blk doesn't have commit_rqs(). We simply handle each request one by one, if errors are encountered, leave them in the passed in list and return back. There is about 3.6% improvement in IOPS of fio/t/io_uring on null_blk with hw_queue_depth=256 on my test VM, from 1.09M to 1.13M. Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com> Reviewed-by: Ming Lei <ming.lei@redhat.com> Link: https://lore.kernel.org/r/20230913151616.3164338-6-chengming.zhou@linux.dev Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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| .. | ||
| Kconfig | ||
| Makefile | ||
| main.c | ||
| null_blk.h | ||
| trace.c | ||
| trace.h | ||
| zoned.c | ||