bio_alloc__no_has_4_params
bio_alloc_clone__no_present
submit_bio__no_returns_void
queue_flag_discard__yes_present
bdi_congested__yes_present
queue_discard_zeroes_data__no_present
fs_dax_get_by_bdev__no_takes_start_off
genhd_fl_no_part__no_present
dax_direct_access__no_takes_mode
bdev_max_discard_sectors__no_present
blk_queue_max_write_same_sectors__yes_present
blkdev_issue_discard__yes_takes_flags
