Name	Size	Permission	Options
add_random	4 KB	-rw-r--r--	action delete edit rename chmod
discard_granularity	4 KB	-r--r--r--	action delete edit rename chmod
discard_max_bytes	4 KB	-r--r--r--	action delete edit rename chmod
discard_zeroes_data	4 KB	-r--r--r--	action delete edit rename chmod
hw_sector_size	4 KB	-r--r--r--	action delete edit rename chmod
iostats	4 KB	-rw-r--r--	action delete edit rename chmod
logical_block_size	4 KB	-r--r--r--	action delete edit rename chmod
max_hw_sectors_kb	4 KB	-r--r--r--	action delete edit rename chmod
max_integrity_segments	4 KB	-r--r--r--	action delete edit rename chmod
max_sectors_kb	4 KB	-rw-r--r--	action delete edit rename chmod
max_segment_size	4 KB	-r--r--r--	action delete edit rename chmod
max_segments	4 KB	-r--r--r--	action delete edit rename chmod
minimum_io_size	4 KB	-r--r--r--	action delete edit rename chmod
nomerges	4 KB	-rw-r--r--	action delete edit rename chmod
nr_requests	4 KB	-rw-r--r--	action delete edit rename chmod
optimal_io_size	4 KB	-r--r--r--	action delete edit rename chmod
physical_block_size	4 KB	-r--r--r--	action delete edit rename chmod
read_ahead_kb	4 KB	-rw-r--r--	action delete edit rename chmod
rotational	4 KB	-rw-r--r--	action delete edit rename chmod
rq_affinity	4 KB	-rw-r--r--	action delete edit rename chmod
scheduler	4 KB	-rw-r--r--	action delete edit rename chmod
unpriv_sgio	4 KB	-rw-r--r--	action delete edit rename chmod
write_same_max_bytes	4 KB	-r--r--r--	action delete edit rename chmod