2 * Copyright (c) 2009 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com> and
6 * Michael Neumann <mneumann@ntecs.de>
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
18 * 3. Neither the name of The DragonFly Project nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific, prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
25 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
26 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
30 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
31 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
32 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 * - volume-add: Add new volume to HAMMER filesystem
40 * - volume-del: Remove volume from HAMMER filesystem
41 * - volume-list: List volumes making up a HAMMER filesystem
42 * - volume-blkdevs: List volumes making up a HAMMER filesystem
49 * volume-add <device> <filesystem>
52 hammer_cmd_volume_add(char **av
, int ac
)
54 struct hammer_ioc_volume ioc
;
55 struct volume_info
*volume
;
57 const char *device
, *filesystem
;
60 errx(1, "hammer volume-add <device> <filesystem>");
65 fd
= open(filesystem
, O_RDONLY
);
67 err(1, "hammer volume-add: unable to access %s", filesystem
);
70 * Initialize and check the device
72 volume
= init_volume(device
, O_RDONLY
, -1);
73 assert(volume
->vol_no
== -1);
74 if (strcmp(volume
->type
, "DEVICE"))
75 errx(1, "Not a block device: %s", device
);
81 bzero(&ioc
, sizeof(ioc
));
82 strncpy(ioc
.device_name
, device
, MAXPATHLEN
);
83 ioc
.vol_size
= volume
->size
;
84 ioc
.boot_area_size
= init_boot_area_size(0, ioc
.vol_size
);
85 ioc
.memory_log_size
= init_memory_log_size(0, ioc
.vol_size
);
87 if (ioctl(fd
, HAMMERIOC_ADD_VOLUME
, &ioc
) < 0)
88 err(1, "hammer volume-add ioctl");
91 hammer_cmd_volume_list(av
+ 1, ac
- 1);
95 * volume-del <device> <filesystem>
98 hammer_cmd_volume_del(char **av
, int ac
)
100 struct hammer_ioc_volume ioc
;
102 const char *device
, *filesystem
;
105 errx(1, "hammer volume-del <device> <filesystem>");
110 fd
= open(filesystem
, O_RDONLY
);
112 err(1, "hammer volume-del: unable to access %s", filesystem
);
117 bzero(&ioc
, sizeof(ioc
));
118 strncpy(ioc
.device_name
, device
, MAXPATHLEN
);
120 ioc
.flag
|= HAMMER_IOC_VOLUME_REBLOCK
;
122 if (ioctl(fd
, HAMMERIOC_DEL_VOLUME
, &ioc
) < 0) {
123 if ((errno
== ENOTEMPTY
) && (retried
++ == 0)) {
124 printf("%s is not empty, ", device
);
125 printf("do you want to reblock %s? [y/n] ", device
);
128 ioc
.flag
|= HAMMER_IOC_VOLUME_REBLOCK
;
132 err(1, "hammer volume-del ioctl");
136 hammer_cmd_volume_list(av
+ 1, ac
- 1);
140 * volume-list <filesystem>
143 hammer_cmd_volume_list(char **av
, int ac
)
145 struct hammer_ioc_volume_list ioc
;
150 errx(1, "hammer volume-list <filesystem>");
152 if (hammer_fs_to_vol(av
[0], &ioc
) == -1)
153 errx(1, "hammer volume-list: failed");
155 for (i
= 0; i
< ioc
.nvols
; i
++) {
156 device_name
= ioc
.vols
[i
].device_name
;
157 vol_no
= ioc
.vols
[i
].vol_no
;
159 printf("%d\t%s%s\n", vol_no
, device_name
,
160 (vol_no
== HAMMER_ROOT_VOLNO
?
161 " (Root Volume)" : ""));
163 printf("%s\n", device_name
);
171 * volume-blkdevs <filesystem>
174 hammer_cmd_volume_blkdevs(char **av
, int ac
)
176 struct hammer_ioc_volume_list ioc
;
180 errx(1, "hammer volume-blkdevs <filesystem>");
182 if (hammer_fs_to_vol(av
[0], &ioc
) == -1)
183 errx(1, "hammer volume-list: failed");
185 for (i
= 0; i
< ioc
.nvols
; i
++) {
186 printf("%s", ioc
.vols
[i
].device_name
);
187 if (i
!= ioc
.nvols
- 1)