FM / integrity

/sys/devices/virtual/block/loop13/integrity

Name	Size	Mode	Actions
device_is_integrity_capable	4096	0444	edit dl rm
format	4096	0444	edit dl rm
protection_interval_bytes	4096	0444	edit dl rm
read_verify	4096	0644	edit dl rm
tag_size	4096	0444	edit dl rm
write_generate	4096	0644	edit dl rm

Edit: /sys/devices/virtual/block/loop13/integrity/read_verify (4096B)