2 * Copyright (c) 2002 Juli Mallett. All rights reserved.
4 * This software was written by Juli Mallett <jmallett@FreeBSD.org> for the
5 * FreeBSD project. Redistribution and use in source and binary forms, with
6 * or without modification, are permitted provided that the following
9 * 1. Redistribution of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 * 2. Redistribution in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
19 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
23 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
32 #include <sys/mount.h>
33 #include <sys/disklabel.h>
36 #include <ufs/ufs/ufsmount.h>
37 #include <ufs/ufs/dinode.h>
38 #include <ufs/ffs/fs.h>
51 /* Internally, track the 'name' value, it's ours. */
52 #define MINE_NAME 0x01
53 /* Track if its fd points to a writable device. */
54 #define MINE_WRITE 0x02
57 ufs_disk_close(struct uufsd *disk)
61 if (disk->d_inoblock != NULL) {
62 free(disk->d_inoblock);
63 disk->d_inoblock = NULL;
65 if (disk->d_mine & MINE_NAME) {
66 free((char *)(uintptr_t)disk->d_name);
73 ufs_disk_fillout(struct uufsd *disk, const char *name)
75 if (ufs_disk_fillout_blank(disk, name) == -1) {
78 if (sbread(disk) == -1) {
79 ERROR(disk, "could not read superblock to fill out disk");
86 ufs_disk_fillout_blank(struct uufsd *disk, const char *name)
100 again: if (stat(name, &st) < 0) {
104 snprintf(dev, sizeof(dev), "%s%s", _PATH_DEV, name);
108 ERROR(disk, "could not find special device");
111 fd = open(name, O_RDONLY);
113 ERROR(disk, "could not open special device");
120 disk->d_inoblock = NULL;
126 disk->d_error = NULL;
131 ERROR(disk, "could not allocate memory for disk name");
134 disk->d_mine |= MINE_NAME;
142 ufs_disk_write(struct uufsd *disk)
146 if (disk->d_mine & MINE_WRITE)
151 disk->d_fd = open(disk->d_name, O_RDWR);
152 if (disk->d_fd < 0) {
153 ERROR(disk, "failed to open disk for writing");
157 disk->d_mine |= MINE_WRITE;