xref: /kernel/linux/linux-6.6/Documentation/ABI/testing/sysfs-fs-nilfs2

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.

What:		/sys/fs/nilfs2/<device>/superblock/sb_write_time
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show last write time of super block in human-readable
		format.

What:		/sys/fs/nilfs2/<device>/superblock/sb_write_time_secs
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show last write time of super block in seconds.

What:		/sys/fs/nilfs2/<device>/superblock/sb_write_count
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show current write count of super block.

What:		/sys/fs/nilfs2/<device>/superblock/sb_update_frequency
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show/Set interval of periodical update of superblock
		(in seconds).

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

What:		/sys/fs/nilfs2/<device>/segctor/last_pseg_block
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show start block number of the latest segment.

What:		/sys/fs/nilfs2/<device>/segctor/last_seg_sequence
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show sequence value of the latest segment.

What:		/sys/fs/nilfs2/<device>/segctor/last_seg_checkpoint
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show checkpoint number of the latest segment.

What:		/sys/fs/nilfs2/<device>/segctor/current_seg_sequence
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show segment sequence counter.

What:		/sys/fs/nilfs2/<device>/segctor/current_last_full_seg
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show index number of the latest full segment.

What:		/sys/fs/nilfs2/<device>/segctor/next_full_seg
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show index number of the full segment index
		to be used next.

What:		/sys/fs/nilfs2/<device>/segctor/next_pseg_offset
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show offset of next partial segment in the current
		full segment.

What:		/sys/fs/nilfs2/<device>/segctor/next_checkpoint
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show next checkpoint number.

What:		/sys/fs/nilfs2/<device>/segctor/last_seg_write_time
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show write time of the last segment in
		human-readable format.

What:		/sys/fs/nilfs2/<device>/segctor/last_seg_write_time_secs
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show write time of the last segment in seconds.

What:		/sys/fs/nilfs2/<device>/segctor/last_nongc_write_time
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show write time of the last segment not for cleaner
		operation in human-readable format.

What:		/sys/fs/nilfs2/<device>/segctor/last_nongc_write_time_secs
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show write time of the last segment not for cleaner
		operation in seconds.

What:		/sys/fs/nilfs2/<device>/segctor/dirty_data_blocks_count
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show number of dirty data blocks.

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

What:		/sys/fs/nilfs2/<device>/segments/segments_number
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show number of segments on a volume.

What:		/sys/fs/nilfs2/<device>/segments/blocks_per_segment
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show number of blocks in segment.

What:		/sys/fs/nilfs2/<device>/segments/clean_segments
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show count of clean segments.

What:		/sys/fs/nilfs2/<device>/segments/dirty_segments
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show count of dirty segments.

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

What:		/sys/fs/nilfs2/<device>/checkpoints/checkpoints_number
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show number of checkpoints on volume.

What:		/sys/fs/nilfs2/<device>/checkpoints/snapshots_number
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show number of snapshots on volume.

What:		/sys/fs/nilfs2/<device>/checkpoints/last_seg_checkpoint
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show checkpoint number of the latest segment.

What:		/sys/fs/nilfs2/<device>/checkpoints/next_checkpoint
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show next checkpoint number.

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

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

What:		/sys/fs/nilfs2/<device>/mounted_snapshots/<id>/inodes_count
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show number of inodes for snapshot.

What:		/sys/fs/nilfs2/<device>/mounted_snapshots/<id>/blocks_count
Date:		April 2014
Contact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
		Show number of blocks for snapshot.

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