What:		/sys/fs/nilfs2/features/revision
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show current revision of NILFS file system driver.
		This value informs about file system revision that
		driver is ready to support.

What:		/sys/fs/nilfs2/features/README
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Describe attributes of /sys/fs/nilfs2/features group.

What:		/sys/fs/nilfs2/<device>/revision
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show NILFS file system revision on volume.
		This value informs about metadata structures'
		revision on mounted volume.

What:		/sys/fs/nilfs2/<device>/blocksize
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show volume's block size in bytes.

What:		/sys/fs/nilfs2/<device>/device_size
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show volume size in bytes.

What:		/sys/fs/nilfs2/<device>/free_blocks
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show count of free blocks on volume.

What:		/sys/fs/nilfs2/<device>/uuid
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show volume's UUID (Universally Unique Identifier).

What:		/sys/fs/nilfs2/<device>/volume_name
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show volume's label.

What:		/sys/fs/nilfs2/<device>/README
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Describe attributes of /sys/fs/nilfs2/<device> group.