1 2What: /sys/fs/nilfs2/features/revision 3Date: April 2014 4Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 5Description: 6 Show current revision of NILFS file system driver. 7 This value informs about file system revision that 8 driver is ready to support. 9 10What: /sys/fs/nilfs2/features/README 11Date: April 2014 12Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 13Description: 14 Describe attributes of /sys/fs/nilfs2/features group. 15 16What: /sys/fs/nilfs2/<device>/revision 17Date: April 2014 18Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 19Description: 20 Show NILFS file system revision on volume. 21 This value informs about metadata structures' 22 revision on mounted volume. 23 24What: /sys/fs/nilfs2/<device>/blocksize 25Date: April 2014 26Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 27Description: 28 Show volume's block size in bytes. 29 30What: /sys/fs/nilfs2/<device>/device_size 31Date: April 2014 32Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 33Description: 34 Show volume size in bytes. 35 36What: /sys/fs/nilfs2/<device>/free_blocks 37Date: April 2014 38Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 39Description: 40 Show count of free blocks on volume. 41 42What: /sys/fs/nilfs2/<device>/uuid 43Date: April 2014 44Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 45Description: 46 Show volume's UUID (Universally Unique Identifier). 47 48What: /sys/fs/nilfs2/<device>/volume_name 49Date: April 2014 50Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 51Description: 52 Show volume's label. 53 54What: /sys/fs/nilfs2/<device>/README 55Date: April 2014 56Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 57Description: 58 Describe attributes of /sys/fs/nilfs2/<device> group. 59 60What: /sys/fs/nilfs2/<device>/superblock/sb_write_time 61Date: April 2014 62Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 63Description: 64 Show last write time of super block in human-readable 65 format. 66 67What: /sys/fs/nilfs2/<device>/superblock/sb_write_time_secs 68Date: April 2014 69Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 70Description: 71 Show last write time of super block in seconds. 72 73What: /sys/fs/nilfs2/<device>/superblock/sb_write_count 74Date: April 2014 75Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 76Description: 77 Show current write count of super block. 78 79What: /sys/fs/nilfs2/<device>/superblock/sb_update_frequency 80Date: April 2014 81Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 82Description: 83 Show/Set interval of periodical update of superblock 84 (in seconds). 85 86What: /sys/fs/nilfs2/<device>/superblock/README 87Date: April 2014 88Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 89Description: 90 Describe attributes of /sys/fs/nilfs2/<device>/superblock 91 group. 92 93What: /sys/fs/nilfs2/<device>/segctor/last_pseg_block 94Date: April 2014 95Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 96Description: 97 Show start block number of the latest segment. 98 99What: /sys/fs/nilfs2/<device>/segctor/last_seg_sequence 100Date: April 2014 101Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 102Description: 103 Show sequence value of the latest segment. 104 105What: /sys/fs/nilfs2/<device>/segctor/last_seg_checkpoint 106Date: April 2014 107Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 108Description: 109 Show checkpoint number of the latest segment. 110 111What: /sys/fs/nilfs2/<device>/segctor/current_seg_sequence 112Date: April 2014 113Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 114Description: 115 Show segment sequence counter. 116 117What: /sys/fs/nilfs2/<device>/segctor/current_last_full_seg 118Date: April 2014 119Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 120Description: 121 Show index number of the latest full segment. 122 123What: /sys/fs/nilfs2/<device>/segctor/next_full_seg 124Date: April 2014 125Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 126Description: 127 Show index number of the full segment index 128 to be used next. 129 130What: /sys/fs/nilfs2/<device>/segctor/next_pseg_offset 131Date: April 2014 132Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 133Description: 134 Show offset of next partial segment in the current 135 full segment. 136 137What: /sys/fs/nilfs2/<device>/segctor/next_checkpoint 138Date: April 2014 139Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 140Description: 141 Show next checkpoint number. 142 143What: /sys/fs/nilfs2/<device>/segctor/last_seg_write_time 144Date: April 2014 145Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 146Description: 147 Show write time of the last segment in 148 human-readable format. 149 150What: /sys/fs/nilfs2/<device>/segctor/last_seg_write_time_secs 151Date: April 2014 152Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 153Description: 154 Show write time of the last segment in seconds. 155 156What: /sys/fs/nilfs2/<device>/segctor/last_nongc_write_time 157Date: April 2014 158Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 159Description: 160 Show write time of the last segment not for cleaner 161 operation in human-readable format. 162 163What: /sys/fs/nilfs2/<device>/segctor/last_nongc_write_time_secs 164Date: April 2014 165Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 166Description: 167 Show write time of the last segment not for cleaner 168 operation in seconds. 169 170What: /sys/fs/nilfs2/<device>/segctor/dirty_data_blocks_count 171Date: April 2014 172Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 173Description: 174 Show number of dirty data blocks. 175 176What: /sys/fs/nilfs2/<device>/segctor/README 177Date: April 2014 178Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 179Description: 180 Describe attributes of /sys/fs/nilfs2/<device>/segctor 181 group. 182 183What: /sys/fs/nilfs2/<device>/segments/segments_number 184Date: April 2014 185Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 186Description: 187 Show number of segments on a volume. 188 189What: /sys/fs/nilfs2/<device>/segments/blocks_per_segment 190Date: April 2014 191Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 192Description: 193 Show number of blocks in segment. 194 195What: /sys/fs/nilfs2/<device>/segments/clean_segments 196Date: April 2014 197Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 198Description: 199 Show count of clean segments. 200 201What: /sys/fs/nilfs2/<device>/segments/dirty_segments 202Date: April 2014 203Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 204Description: 205 Show count of dirty segments. 206 207What: /sys/fs/nilfs2/<device>/segments/README 208Date: April 2014 209Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 210Description: 211 Describe attributes of /sys/fs/nilfs2/<device>/segments 212 group. 213 214What: /sys/fs/nilfs2/<device>/checkpoints/checkpoints_number 215Date: April 2014 216Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 217Description: 218 Show number of checkpoints on volume. 219 220What: /sys/fs/nilfs2/<device>/checkpoints/snapshots_number 221Date: April 2014 222Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 223Description: 224 Show number of snapshots on volume. 225 226What: /sys/fs/nilfs2/<device>/checkpoints/last_seg_checkpoint 227Date: April 2014 228Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 229Description: 230 Show checkpoint number of the latest segment. 231 232What: /sys/fs/nilfs2/<device>/checkpoints/next_checkpoint 233Date: April 2014 234Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 235Description: 236 Show next checkpoint number. 237 238What: /sys/fs/nilfs2/<device>/checkpoints/README 239Date: April 2014 240Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 241Description: 242 Describe attributes of /sys/fs/nilfs2/<device>/checkpoints 243 group. 244 245What: /sys/fs/nilfs2/<device>/mounted_snapshots/README 246Date: April 2014 247Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 248Description: 249 Describe content of /sys/fs/nilfs2/<device>/mounted_snapshots 250 group. 251 252What: /sys/fs/nilfs2/<device>/mounted_snapshots/<id>/inodes_count 253Date: April 2014 254Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 255Description: 256 Show number of inodes for snapshot. 257 258What: /sys/fs/nilfs2/<device>/mounted_snapshots/<id>/blocks_count 259Date: April 2014 260Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 261Description: 262 Show number of blocks for snapshot. 263 264What: /sys/fs/nilfs2/<device>/mounted_snapshots/<id>/README 265Date: April 2014 266Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com> 267Description: 268 Describe attributes of /sys/fs/nilfs2/<device>/mounted_snapshots/<id> 269 group. 270