a5a7332a29
This patch adds creation of <snapshot> group for every mounted snapshot in /sys/fs/nilfs2/<device>/mounted_snapshots group. The group contains details about mounted snapshot: (1) inodes_count - show number of inodes for snapshot. (2) blocks_count - show number of blocks for snapshot. Signed-off-by: Vyacheslav Dubeyko <Vyacheslav.Dubeyko@hgst.com> Cc: Vyacheslav Dubeyko <slava@dubeyko.com> Cc: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Michael L. Semon <mlsemon35@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
7.8 KiB
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//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//blocksize Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Show volume's block size in bytes.
What: /sys/fs/nilfs2//device_size Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Show volume size in bytes.
What: /sys/fs/nilfs2//free_blocks Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Show count of free blocks on volume.
What: /sys/fs/nilfs2//uuid Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Show volume's UUID (Universally Unique Identifier).
What: /sys/fs/nilfs2//volume_name Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Show volume's label.
What: /sys/fs/nilfs2//README Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Describe attributes of /sys/fs/nilfs2/ group.
What: /sys/fs/nilfs2//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//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//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//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//superblock/README Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Describe attributes of /sys/fs/nilfs2//superblock group.
What: /sys/fs/nilfs2//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//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//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//segctor/current_seg_sequence Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Show segment sequence counter.
What: /sys/fs/nilfs2//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//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//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//segctor/next_checkpoint Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Show next checkpoint number.
What: /sys/fs/nilfs2//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//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//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//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//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//segctor/README Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Describe attributes of /sys/fs/nilfs2//segctor group.
What: /sys/fs/nilfs2//segments/segments_number Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Show number of segments on a volume.
What: /sys/fs/nilfs2//segments/blocks_per_segment Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Show number of blocks in segment.
What: /sys/fs/nilfs2//segments/clean_segments Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Show count of clean segments.
What: /sys/fs/nilfs2//segments/dirty_segments Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Show count of dirty segments.
What: /sys/fs/nilfs2//segments/README Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Describe attributes of /sys/fs/nilfs2//segments group.
What: /sys/fs/nilfs2//checkpoints/checkpoints_number Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Show number of checkpoints on volume.
What: /sys/fs/nilfs2//checkpoints/snapshots_number Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Show number of snapshots on volume.
What: /sys/fs/nilfs2//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//checkpoints/next_checkpoint Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Show next checkpoint number.
What: /sys/fs/nilfs2//checkpoints/README Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Describe attributes of /sys/fs/nilfs2//checkpoints group.
What: /sys/fs/nilfs2//mounted_snapshots/README Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Describe content of /sys/fs/nilfs2//mounted_snapshots group.
What: /sys/fs/nilfs2//mounted_snapshots//inodes_count Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Show number of inodes for snapshot.
What: /sys/fs/nilfs2//mounted_snapshots//blocks_count Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Show number of blocks for snapshot.
What: /sys/fs/nilfs2//mounted_snapshots//README Date: April 2014 Contact: "Vyacheslav Dubeyko" slava@dubeyko.com Description: Describe attributes of /sys/fs/nilfs2//mounted_snapshots/ group.