[D] iosched
[F] add_random
[F] chunk_sectors
[F] dax
[F] discard_granularity
[F] discard_max_bytes
[F] discard_max_hw_bytes
[F] discard_zeroes_data
[F] fua
[F] hw_sector_size
[F] io_poll
[F] io_poll_delay
[F] io_timeout
[F] iostats
[F] logical_block_size
[F] max_discard_segments
[F] max_hw_sectors_kb
[F] max_integrity_segments
[F] max_sectors_kb
[F] max_segment_size
[F] max_segments
[F] minimum_io_size
[F] nomerges
[F] nr_requests
[F] nr_zones
[F] optimal_io_size
[F] physical_block_size
[F] read_ahead_kb
[F] rotational
[F] rq_affinity
[F] scheduler
[F] stable_writes
[F] unpriv_sgio
[F] virt_boundary_mask
[F] wbt_lat_usec
[F] write_cache
[F] write_same_max_bytes
[F] write_zeroes_max_bytes
[F] zone_append_max_bytes
[F] zoned