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gerrit.nordix.org / codeaurora / cp-linux / 8d8f6542b666daf5e87de156590e635c2c4da0c0 / . / Documentation / ABI / testing / sysfs-fs-nilfs2
blob: 304ba84a973a75f3253ece300a4dbc7850aee8fa [file] [log] [blame]
Kyle Swenson8d8f6542021-03-15 11:02:55 -0600[diff] [blame^]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.