nilfs2: add /sys/fs/nilfs2/<device>/superblock group
[deliverable/linux.git] / Documentation / ABI / testing / sysfs-fs-nilfs2
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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.
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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.
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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.
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