/sys/fs/ext4
Directories:

• /sys/fs
• /sys/fs/ext4/dm-4
• /sys/fs/ext4/dm-2
• /sys/fs/ext4/dm-0
• /sys/fs/ext4/sdb1
• /sys/fs/ext4/sda1
• /sys/fs/ext4/features
• /sys/fs/ext4/dm-3

Files: