1 /* libguestfs - the guestfsd daemon
2 * Copyright (C) 2009 Red Hat Inc.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
29 /* You must mount something on "/" first, hence: */
32 /* The "simple mount" call offers no complex options, you can just
33 * mount a device on a mountpoint.
35 * It's tempting to try a direct mount(2) syscall, but that doesn't
36 * do any autodetection, so we are better off calling out to
41 do_mount (const char *device, const char *mountpoint)
47 is_root = strcmp (mountpoint, "/") == 0;
49 if (!root_mounted && !is_root) {
50 reply_with_error ("mount: you must mount something on / first");
54 len = strlen (mountpoint) + 9;
58 reply_with_perror ("malloc");
62 snprintf (mp, len, "/sysroot%s", mountpoint);
64 r = command (NULL, &error,
65 "mount", "-o", "sync,noatime", device, mp, NULL);
67 reply_with_error ("mount: %s on %s: %s", device, mountpoint, error);