/sys/devices/virtual/block/dm-1
Directories:

• /sys/devices/virtual/block
• /sys/devices/virtual/block/dm-1/power
• /sys/devices/virtual/block/dm-1/holders
• /sys/devices/virtual/block/dm-1/dm
• /sys/devices/virtual/block/dm-1/queue
• /sys/devices/virtual/block/dm-1/integrity
• /sys/class/block
• /sys/devices/virtual/block/dm-1/trace
• /sys/devices/virtual/bdi/254:1
• /sys/devices/virtual/block/dm-1/slaves

Files:

• uevent
• ext_range
• range
• alignment_offset
• dev
• ro
• stat
• size
• discard_alignment
• capability
• hidden
• removable
• inflight