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
disk_update_readahead__no_present
struct_gendisk__no_has_backing_dev_info
queue_discard_zeroes_data__no_present
bdgrab__yes_present
fs_dax_get_by_bdev__no_takes_start_off
add_disk__no_returns_int
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
