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Annotated edit history of blockdev(8) version 1, including all changes. View license author blame.
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1 perry 1 BLOCKDEV
2 !!!BLOCKDEV
3 NAME
4 SYNOPSIS
5 DESCRIPTION
6 OPTIONS
7 COMMANDS
8 ----
9 !!NAME
10
11
12 blockdev - call block device ioctls from the command line
13 !!SYNOPSIS
14
15
16 __blockdev__ [[''options''] ''commands
17 devices''
18 !!DESCRIPTION
19
20
21 The utility __blockdev__ allows one to call block device
22 ioctls from the command line.
23 !!OPTIONS
24
25
26 __-V__
27
28
29 Print version and exit.
30
31
32 __-q__
33
34
35 Be quiet.
36
37
38 __-v__
39
40
41 Be verbose.
42 !!COMMANDS
43
44
45 __--setro__
46
47
48 Set read-only.
49
50
51 __--setrw__
52
53
54 Set read-write.
55
56
57 __--getro__
58
59
60 Get read-only. Print 1 if the device is read-only, 0
61 otherwise.
62
63
64 __--getss__
65
66
67 Print sectorsize in bytes - usually 512.
68
69
70 __--getsize__
71
72
73 Print device capacity (in 512-byte sectors).
74
75
76 __--setra__ ''N''
77
78
79 Set readahead to ''N'' 512-byte sectors.
80
81
82 __--getra__
83
84
85 Print readahead (in 512-byte sectors).
86
87
88 __--flushbufs__
89
90
91 Flush buffers.
92
93
94 __--rereadpt__
95
96
97 Reread partition table.
98 ----
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