xref: /openbmc/linux/Documentation/ABI/testing/sysfs-fs-nilfs2 (revision e5451c8f8330e03ad3cfa16048b4daf961af434f)
1aebe17f6SVyacheslav Dubeyko
2aebe17f6SVyacheslav DubeykoWhat:		/sys/fs/nilfs2/features/revision
3aebe17f6SVyacheslav DubeykoDate:		April 2014
4aebe17f6SVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
5aebe17f6SVyacheslav DubeykoDescription:
6aebe17f6SVyacheslav Dubeyko		Show current revision of NILFS file system driver.
7aebe17f6SVyacheslav Dubeyko		This value informs about file system revision that
8aebe17f6SVyacheslav Dubeyko		driver is ready to support.
9aebe17f6SVyacheslav Dubeyko
10aebe17f6SVyacheslav DubeykoWhat:		/sys/fs/nilfs2/features/README
11aebe17f6SVyacheslav DubeykoDate:		April 2014
12aebe17f6SVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
13aebe17f6SVyacheslav DubeykoDescription:
14aebe17f6SVyacheslav Dubeyko		Describe attributes of /sys/fs/nilfs2/features group.
15da7141fbSVyacheslav Dubeyko
16da7141fbSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/revision
17da7141fbSVyacheslav DubeykoDate:		April 2014
18da7141fbSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
19da7141fbSVyacheslav DubeykoDescription:
20da7141fbSVyacheslav Dubeyko		Show NILFS file system revision on volume.
21da7141fbSVyacheslav Dubeyko		This value informs about metadata structures'
22da7141fbSVyacheslav Dubeyko		revision on mounted volume.
23da7141fbSVyacheslav Dubeyko
24da7141fbSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/blocksize
25da7141fbSVyacheslav DubeykoDate:		April 2014
26da7141fbSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
27da7141fbSVyacheslav DubeykoDescription:
28da7141fbSVyacheslav Dubeyko		Show volume's block size in bytes.
29da7141fbSVyacheslav Dubeyko
30da7141fbSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/device_size
31da7141fbSVyacheslav DubeykoDate:		April 2014
32da7141fbSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
33da7141fbSVyacheslav DubeykoDescription:
34da7141fbSVyacheslav Dubeyko		Show volume size in bytes.
35da7141fbSVyacheslav Dubeyko
36da7141fbSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/free_blocks
37da7141fbSVyacheslav DubeykoDate:		April 2014
38da7141fbSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
39da7141fbSVyacheslav DubeykoDescription:
40da7141fbSVyacheslav Dubeyko		Show count of free blocks on volume.
41da7141fbSVyacheslav Dubeyko
42da7141fbSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/uuid
43da7141fbSVyacheslav DubeykoDate:		April 2014
44da7141fbSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
45da7141fbSVyacheslav DubeykoDescription:
46da7141fbSVyacheslav Dubeyko		Show volume's UUID (Universally Unique Identifier).
47da7141fbSVyacheslav Dubeyko
48da7141fbSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/volume_name
49da7141fbSVyacheslav DubeykoDate:		April 2014
50da7141fbSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
51da7141fbSVyacheslav DubeykoDescription:
52da7141fbSVyacheslav Dubeyko		Show volume's label.
53da7141fbSVyacheslav Dubeyko
54da7141fbSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/README
55da7141fbSVyacheslav DubeykoDate:		April 2014
56da7141fbSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
57da7141fbSVyacheslav DubeykoDescription:
58da7141fbSVyacheslav Dubeyko		Describe attributes of /sys/fs/nilfs2/<device> group.
59caa05d49SVyacheslav Dubeyko
60caa05d49SVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/superblock/sb_write_time
61caa05d49SVyacheslav DubeykoDate:		April 2014
62caa05d49SVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
63caa05d49SVyacheslav DubeykoDescription:
64caa05d49SVyacheslav Dubeyko		Show last write time of super block in human-readable
65caa05d49SVyacheslav Dubeyko		format.
66caa05d49SVyacheslav Dubeyko
67caa05d49SVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/superblock/sb_write_time_secs
68caa05d49SVyacheslav DubeykoDate:		April 2014
69caa05d49SVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
70caa05d49SVyacheslav DubeykoDescription:
71caa05d49SVyacheslav Dubeyko		Show last write time of super block in seconds.
72caa05d49SVyacheslav Dubeyko
73caa05d49SVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/superblock/sb_write_count
74caa05d49SVyacheslav DubeykoDate:		April 2014
75caa05d49SVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
76caa05d49SVyacheslav DubeykoDescription:
77caa05d49SVyacheslav Dubeyko		Show current write count of super block.
78caa05d49SVyacheslav Dubeyko
79caa05d49SVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/superblock/sb_update_frequency
80caa05d49SVyacheslav DubeykoDate:		April 2014
81caa05d49SVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
82caa05d49SVyacheslav DubeykoDescription:
83caa05d49SVyacheslav Dubeyko		Show/Set interval of periodical update of superblock
84caa05d49SVyacheslav Dubeyko		(in seconds).
85caa05d49SVyacheslav Dubeyko
86caa05d49SVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/superblock/README
87caa05d49SVyacheslav DubeykoDate:		April 2014
88caa05d49SVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
89caa05d49SVyacheslav DubeykoDescription:
90caa05d49SVyacheslav Dubeyko		Describe attributes of /sys/fs/nilfs2/<device>/superblock
91caa05d49SVyacheslav Dubeyko		group.
92abc968dbSVyacheslav Dubeyko
93abc968dbSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/segctor/last_pseg_block
94abc968dbSVyacheslav DubeykoDate:		April 2014
95abc968dbSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
96abc968dbSVyacheslav DubeykoDescription:
97abc968dbSVyacheslav Dubeyko		Show start block number of the latest segment.
98abc968dbSVyacheslav Dubeyko
99abc968dbSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/segctor/last_seg_sequence
100abc968dbSVyacheslav DubeykoDate:		April 2014
101abc968dbSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
102abc968dbSVyacheslav DubeykoDescription:
103abc968dbSVyacheslav Dubeyko		Show sequence value of the latest segment.
104abc968dbSVyacheslav Dubeyko
105abc968dbSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/segctor/last_seg_checkpoint
106abc968dbSVyacheslav DubeykoDate:		April 2014
107abc968dbSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
108abc968dbSVyacheslav DubeykoDescription:
109abc968dbSVyacheslav Dubeyko		Show checkpoint number of the latest segment.
110abc968dbSVyacheslav Dubeyko
111abc968dbSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/segctor/current_seg_sequence
112abc968dbSVyacheslav DubeykoDate:		April 2014
113abc968dbSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
114abc968dbSVyacheslav DubeykoDescription:
115abc968dbSVyacheslav Dubeyko		Show segment sequence counter.
116abc968dbSVyacheslav Dubeyko
117abc968dbSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/segctor/current_last_full_seg
118abc968dbSVyacheslav DubeykoDate:		April 2014
119abc968dbSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
120abc968dbSVyacheslav DubeykoDescription:
121abc968dbSVyacheslav Dubeyko		Show index number of the latest full segment.
122abc968dbSVyacheslav Dubeyko
123abc968dbSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/segctor/next_full_seg
124abc968dbSVyacheslav DubeykoDate:		April 2014
125abc968dbSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
126abc968dbSVyacheslav DubeykoDescription:
127abc968dbSVyacheslav Dubeyko		Show index number of the full segment index
128abc968dbSVyacheslav Dubeyko		to be used next.
129abc968dbSVyacheslav Dubeyko
130abc968dbSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/segctor/next_pseg_offset
131abc968dbSVyacheslav DubeykoDate:		April 2014
132abc968dbSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
133abc968dbSVyacheslav DubeykoDescription:
134abc968dbSVyacheslav Dubeyko		Show offset of next partial segment in the current
135abc968dbSVyacheslav Dubeyko		full segment.
136abc968dbSVyacheslav Dubeyko
137abc968dbSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/segctor/next_checkpoint
138abc968dbSVyacheslav DubeykoDate:		April 2014
139abc968dbSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
140abc968dbSVyacheslav DubeykoDescription:
141abc968dbSVyacheslav Dubeyko		Show next checkpoint number.
142abc968dbSVyacheslav Dubeyko
143abc968dbSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/segctor/last_seg_write_time
144abc968dbSVyacheslav DubeykoDate:		April 2014
145abc968dbSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
146abc968dbSVyacheslav DubeykoDescription:
147abc968dbSVyacheslav Dubeyko		Show write time of the last segment in
148abc968dbSVyacheslav Dubeyko		human-readable format.
149abc968dbSVyacheslav Dubeyko
150abc968dbSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/segctor/last_seg_write_time_secs
151abc968dbSVyacheslav DubeykoDate:		April 2014
152abc968dbSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
153abc968dbSVyacheslav DubeykoDescription:
154abc968dbSVyacheslav Dubeyko		Show write time of the last segment in seconds.
155abc968dbSVyacheslav Dubeyko
156abc968dbSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/segctor/last_nongc_write_time
157abc968dbSVyacheslav DubeykoDate:		April 2014
158abc968dbSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
159abc968dbSVyacheslav DubeykoDescription:
160abc968dbSVyacheslav Dubeyko		Show write time of the last segment not for cleaner
161abc968dbSVyacheslav Dubeyko		operation in human-readable format.
162abc968dbSVyacheslav Dubeyko
163abc968dbSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/segctor/last_nongc_write_time_secs
164abc968dbSVyacheslav DubeykoDate:		April 2014
165abc968dbSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
166abc968dbSVyacheslav DubeykoDescription:
167abc968dbSVyacheslav Dubeyko		Show write time of the last segment not for cleaner
168abc968dbSVyacheslav Dubeyko		operation in seconds.
169abc968dbSVyacheslav Dubeyko
170abc968dbSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/segctor/dirty_data_blocks_count
171abc968dbSVyacheslav DubeykoDate:		April 2014
172abc968dbSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
173abc968dbSVyacheslav DubeykoDescription:
174abc968dbSVyacheslav Dubeyko		Show number of dirty data blocks.
175abc968dbSVyacheslav Dubeyko
176abc968dbSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/segctor/README
177abc968dbSVyacheslav DubeykoDate:		April 2014
178abc968dbSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
179abc968dbSVyacheslav DubeykoDescription:
180abc968dbSVyacheslav Dubeyko		Describe attributes of /sys/fs/nilfs2/<device>/segctor
181abc968dbSVyacheslav Dubeyko		group.
182ef43d5cdSVyacheslav Dubeyko
183ef43d5cdSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/segments/segments_number
184ef43d5cdSVyacheslav DubeykoDate:		April 2014
185ef43d5cdSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
186ef43d5cdSVyacheslav DubeykoDescription:
187ef43d5cdSVyacheslav Dubeyko		Show number of segments on a volume.
188ef43d5cdSVyacheslav Dubeyko
189ef43d5cdSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/segments/blocks_per_segment
190ef43d5cdSVyacheslav DubeykoDate:		April 2014
191ef43d5cdSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
192ef43d5cdSVyacheslav DubeykoDescription:
193ef43d5cdSVyacheslav Dubeyko		Show number of blocks in segment.
194ef43d5cdSVyacheslav Dubeyko
195ef43d5cdSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/segments/clean_segments
196ef43d5cdSVyacheslav DubeykoDate:		April 2014
197ef43d5cdSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
198ef43d5cdSVyacheslav DubeykoDescription:
199ef43d5cdSVyacheslav Dubeyko		Show count of clean segments.
200ef43d5cdSVyacheslav Dubeyko
201ef43d5cdSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/segments/dirty_segments
202ef43d5cdSVyacheslav DubeykoDate:		April 2014
203ef43d5cdSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
204ef43d5cdSVyacheslav DubeykoDescription:
205ef43d5cdSVyacheslav Dubeyko		Show count of dirty segments.
206ef43d5cdSVyacheslav Dubeyko
207ef43d5cdSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/segments/README
208ef43d5cdSVyacheslav DubeykoDate:		April 2014
209ef43d5cdSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
210ef43d5cdSVyacheslav DubeykoDescription:
211ef43d5cdSVyacheslav Dubeyko		Describe attributes of /sys/fs/nilfs2/<device>/segments
212ef43d5cdSVyacheslav Dubeyko		group.
21302a0ba1cSVyacheslav Dubeyko
21402a0ba1cSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/checkpoints/checkpoints_number
21502a0ba1cSVyacheslav DubeykoDate:		April 2014
21602a0ba1cSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
21702a0ba1cSVyacheslav DubeykoDescription:
21802a0ba1cSVyacheslav Dubeyko		Show number of checkpoints on volume.
21902a0ba1cSVyacheslav Dubeyko
22002a0ba1cSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/checkpoints/snapshots_number
22102a0ba1cSVyacheslav DubeykoDate:		April 2014
22202a0ba1cSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
22302a0ba1cSVyacheslav DubeykoDescription:
22402a0ba1cSVyacheslav Dubeyko		Show number of snapshots on volume.
22502a0ba1cSVyacheslav Dubeyko
22602a0ba1cSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/checkpoints/last_seg_checkpoint
22702a0ba1cSVyacheslav DubeykoDate:		April 2014
22802a0ba1cSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
22902a0ba1cSVyacheslav DubeykoDescription:
23002a0ba1cSVyacheslav Dubeyko		Show checkpoint number of the latest segment.
23102a0ba1cSVyacheslav Dubeyko
23202a0ba1cSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/checkpoints/next_checkpoint
23302a0ba1cSVyacheslav DubeykoDate:		April 2014
23402a0ba1cSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
23502a0ba1cSVyacheslav DubeykoDescription:
23602a0ba1cSVyacheslav Dubeyko		Show next checkpoint number.
23702a0ba1cSVyacheslav Dubeyko
23802a0ba1cSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/checkpoints/README
23902a0ba1cSVyacheslav DubeykoDate:		April 2014
24002a0ba1cSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
24102a0ba1cSVyacheslav DubeykoDescription:
24202a0ba1cSVyacheslav Dubeyko		Describe attributes of /sys/fs/nilfs2/<device>/checkpoints
24302a0ba1cSVyacheslav Dubeyko		group.
244a2ecb791SVyacheslav Dubeyko
245a2ecb791SVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/mounted_snapshots/README
246a2ecb791SVyacheslav DubeykoDate:		April 2014
247a2ecb791SVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
248a2ecb791SVyacheslav DubeykoDescription:
249a2ecb791SVyacheslav Dubeyko		Describe content of /sys/fs/nilfs2/<device>/mounted_snapshots
250a2ecb791SVyacheslav Dubeyko		group.
251*a5a7332aSVyacheslav Dubeyko
252*a5a7332aSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/mounted_snapshots/<id>/inodes_count
253*a5a7332aSVyacheslav DubeykoDate:		April 2014
254*a5a7332aSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
255*a5a7332aSVyacheslav DubeykoDescription:
256*a5a7332aSVyacheslav Dubeyko		Show number of inodes for snapshot.
257*a5a7332aSVyacheslav Dubeyko
258*a5a7332aSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/mounted_snapshots/<id>/blocks_count
259*a5a7332aSVyacheslav DubeykoDate:		April 2014
260*a5a7332aSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
261*a5a7332aSVyacheslav DubeykoDescription:
262*a5a7332aSVyacheslav Dubeyko		Show number of blocks for snapshot.
263*a5a7332aSVyacheslav Dubeyko
264*a5a7332aSVyacheslav DubeykoWhat:		/sys/fs/nilfs2/<device>/mounted_snapshots/<id>/README
265*a5a7332aSVyacheslav DubeykoDate:		April 2014
266*a5a7332aSVyacheslav DubeykoContact:	"Vyacheslav Dubeyko" <slava@dubeyko.com>
267*a5a7332aSVyacheslav DubeykoDescription:
268*a5a7332aSVyacheslav Dubeyko		Describe attributes of /sys/fs/nilfs2/<device>/mounted_snapshots/<id>
269*a5a7332aSVyacheslav Dubeyko		group.
270