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1 | /* | |
2 | * mdassemble - assemble Linux "md" devices aka RAID arrays. | |
3 | * | |
4 | * Copyright (C) 2001-2006 Neil Brown <neilb@suse.de> | |
5 | * Copyright (C) 2003 Luca Berra <bluca@vodka.it> | |
6 | * | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | * Author: Neil Brown | |
23 | * Email: <neilb@cse.unsw.edu.au> | |
24 | * Paper: Neil Brown | |
25 | * School of Computer Science and Engineering | |
26 | * The University of New South Wales | |
27 | * Sydney, 2052 | |
28 | * Australia | |
29 | */ | |
30 | ||
31 | #include "mdadm.h" | |
32 | #include "md_p.h" | |
33 | ||
34 | /* from readme.c */ | |
35 | mapping_t pers[] = { | |
36 | { "linear", -1}, | |
37 | { "raid0", 0}, | |
38 | { "0", 0}, | |
39 | { "stripe", 0}, | |
40 | { "raid1", 1}, | |
41 | { "1", 1}, | |
42 | { "mirror", 1}, | |
43 | { "raid4", 4}, | |
44 | { "4", 4}, | |
45 | { "raid5", 5}, | |
46 | { "5", 5}, | |
47 | { "multipath", -4}, | |
48 | { "mp", -4}, | |
49 | { "raid6", 6}, | |
50 | { "6", 6}, | |
51 | { "raid10", 10}, | |
52 | { "10", 10}, | |
53 | { NULL, 0} | |
54 | }; | |
55 | ||
56 | #ifndef MDASSEMBLE_AUTO | |
57 | /* from mdopen.c */ | |
58 | int open_mddev(char *dev, int report_errors/*unused*/) | |
59 | { | |
60 | int mdfd = open(dev, O_RDWR); | |
61 | if (mdfd < 0) | |
62 | fprintf(stderr, Name ": error opening %s: %s\n", | |
63 | dev, strerror(errno)); | |
64 | else if (md_get_version(mdfd) <= 0) { | |
65 | fprintf(stderr, Name ": %s does not appear to be an md device\n", | |
66 | dev); | |
67 | close(mdfd); | |
68 | mdfd = -1; | |
69 | } | |
70 | return mdfd; | |
71 | } | |
72 | int create_mddev(char *dev, char *name, int autof/*unused*/, int trustworthy, | |
73 | char *chosen) | |
74 | { | |
75 | return open_mddev(dev, 0); | |
76 | } | |
77 | int sysfs_uevent(struct mdinfo *info, char *event) | |
78 | { | |
79 | return 0; | |
80 | } | |
81 | #endif | |
82 | int map_update(struct map_ent **mpp, int devnum, char *metadata, | |
83 | int *uuid, char *path) | |
84 | { | |
85 | return 0; | |
86 | } | |
87 | struct map_ent *map_by_name(struct map_ent **mpp, char *name) | |
88 | { | |
89 | return NULL; | |
90 | } | |
91 | ||
92 | int rv; | |
93 | int mdfd = -1; | |
94 | int runstop = 0; | |
95 | int readonly = 0; | |
96 | int verbose = 0; | |
97 | int force = 0; | |
98 | ||
99 | int main(int argc, char *argv[]) { | |
100 | mddev_ident_t array_list = conf_get_ident(NULL); | |
101 | if (!array_list) { | |
102 | fprintf(stderr, Name ": No arrays found in config file\n"); | |
103 | rv = 1; | |
104 | } else | |
105 | for (; array_list; array_list = array_list->next) { | |
106 | mdu_array_info_t array; | |
107 | mdfd = open_mddev(array_list->devname, 0); | |
108 | if (mdfd >= 0 && ioctl(mdfd, GET_ARRAY_INFO, &array) == 0) { | |
109 | rv |= Manage_ro(array_list->devname, mdfd, -1); /* make it readwrite */ | |
110 | continue; | |
111 | } | |
112 | if (mdfd >= 0) | |
113 | close(mdfd); | |
114 | rv |= Assemble(array_list->st, array_list->devname, | |
115 | array_list, NULL, NULL, | |
116 | readonly, runstop, NULL, NULL, verbose, force); | |
117 | } | |
118 | return rv; | |
119 | } |