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e3478379 FF |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 ProFUSION embedded systems | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
9 | under the terms of the GNU Lesser General Public License as published by |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
e3478379 FF |
11 | (at your option) any later version. |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 16 | Lesser General Public License for more details. |
e3478379 | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
e3478379 FF |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
22 | #include <errno.h> | |
23 | #include <fcntl.h> | |
4f5dd394 LP |
24 | #include <linux/dm-ioctl.h> |
25 | #include <linux/loop.h> | |
e3478379 FF |
26 | #include <string.h> |
27 | #include <sys/mount.h> | |
28 | #include <sys/swap.h> | |
e3478379 | 29 | |
4f5dd394 | 30 | #include "libudev.h" |
07630cea LP |
31 | |
32 | #include "escape.h" | |
3ffd4af2 | 33 | #include "fd-util.h" |
e3478379 FF |
34 | #include "list.h" |
35 | #include "mount-setup.h" | |
9eb977db | 36 | #include "path-util.h" |
07630cea | 37 | #include "string-util.h" |
4f5dd394 | 38 | #include "udev-util.h" |
3ffd4af2 | 39 | #include "umount.h" |
e3478379 | 40 | #include "util.h" |
024f268d | 41 | #include "virt.h" |
e3478379 FF |
42 | |
43 | typedef struct MountPoint { | |
44 | char *path; | |
2d9a3397 | 45 | dev_t devnum; |
71fda00f | 46 | LIST_FIELDS(struct MountPoint, mount_point); |
e3478379 FF |
47 | } MountPoint; |
48 | ||
12aad1d0 LP |
49 | static void mount_point_free(MountPoint **head, MountPoint *m) { |
50 | assert(head); | |
51 | assert(m); | |
e3478379 | 52 | |
71fda00f | 53 | LIST_REMOVE(mount_point, *head, m); |
12aad1d0 LP |
54 | |
55 | free(m->path); | |
56 | free(m); | |
e3478379 FF |
57 | } |
58 | ||
12aad1d0 LP |
59 | static void mount_points_list_free(MountPoint **head) { |
60 | assert(head); | |
61 | ||
62 | while (*head) | |
63 | mount_point_free(head, *head); | |
e3478379 FF |
64 | } |
65 | ||
12aad1d0 | 66 | static int mount_points_list_get(MountPoint **head) { |
c3544e8d | 67 | _cleanup_fclose_ FILE *proc_self_mountinfo = NULL; |
e3478379 | 68 | unsigned int i; |
527b7a42 | 69 | int r; |
e3478379 | 70 | |
12aad1d0 LP |
71 | assert(head); |
72 | ||
c3544e8d LP |
73 | proc_self_mountinfo = fopen("/proc/self/mountinfo", "re"); |
74 | if (!proc_self_mountinfo) | |
e3478379 FF |
75 | return -errno; |
76 | ||
77 | for (i = 1;; i++) { | |
c3544e8d LP |
78 | _cleanup_free_ char *path = NULL; |
79 | char *p = NULL; | |
12aad1d0 | 80 | MountPoint *m; |
c3544e8d | 81 | int k; |
e3478379 | 82 | |
c3544e8d LP |
83 | k = fscanf(proc_self_mountinfo, |
84 | "%*s " /* (1) mount id */ | |
85 | "%*s " /* (2) parent id */ | |
86 | "%*s " /* (3) major:minor */ | |
87 | "%*s " /* (4) root */ | |
88 | "%ms " /* (5) mount point */ | |
89 | "%*s" /* (6) mount options */ | |
90 | "%*[^-]" /* (7) optional fields */ | |
91 | "- " /* (8) separator */ | |
92 | "%*s " /* (9) file system type */ | |
93 | "%*s" /* (10) mount source */ | |
94 | "%*s" /* (11) mount options 2 */ | |
95 | "%*[^\n]", /* some rubbish at the end */ | |
96 | &path); | |
97 | if (k != 1) { | |
e3478379 FF |
98 | if (k == EOF) |
99 | break; | |
100 | ||
101 | log_warning("Failed to parse /proc/self/mountinfo:%u.", i); | |
e3478379 FF |
102 | continue; |
103 | } | |
104 | ||
527b7a42 LP |
105 | r = cunescape(path, UNESCAPE_RELAX, &p); |
106 | if (r < 0) | |
107 | return r; | |
e3478379 | 108 | |
46108b3b LP |
109 | /* Ignore mount points we can't unmount because they |
110 | * are API or because we are keeping them open (like | |
874d3404 LP |
111 | * /dev/console). Also, ignore all mounts below API |
112 | * file systems, since they are likely virtual too, | |
113 | * and hence not worth spending time on. Also, in | |
114 | * unprivileged containers we might lack the rights to | |
115 | * unmount these things, hence don't bother. */ | |
46108b3b LP |
116 | if (mount_point_is_api(p) || |
117 | mount_point_ignore(p) || | |
874d3404 LP |
118 | path_startswith(p, "/dev") || |
119 | path_startswith(p, "/sys") || | |
120 | path_startswith(p, "/proc")) { | |
2054a5b8 LP |
121 | free(p); |
122 | continue; | |
123 | } | |
124 | ||
c3544e8d LP |
125 | m = new0(MountPoint, 1); |
126 | if (!m) { | |
2054a5b8 | 127 | free(p); |
c3544e8d | 128 | return -ENOMEM; |
e3478379 | 129 | } |
e3478379 | 130 | |
12aad1d0 | 131 | m->path = p; |
71fda00f | 132 | LIST_PREPEND(mount_point, *head, m); |
e3478379 FF |
133 | } |
134 | ||
c3544e8d | 135 | return 0; |
e3478379 FF |
136 | } |
137 | ||
12aad1d0 | 138 | static int swap_list_get(MountPoint **head) { |
e1d75803 | 139 | _cleanup_fclose_ FILE *proc_swaps = NULL; |
e3478379 | 140 | unsigned int i; |
527b7a42 | 141 | int r; |
e3478379 | 142 | |
12aad1d0 LP |
143 | assert(head); |
144 | ||
527b7a42 LP |
145 | proc_swaps = fopen("/proc/swaps", "re"); |
146 | if (!proc_swaps) | |
dee87d61 | 147 | return (errno == ENOENT) ? 0 : -errno; |
e3478379 FF |
148 | |
149 | (void) fscanf(proc_swaps, "%*s %*s %*s %*s %*s\n"); | |
150 | ||
151 | for (i = 2;; i++) { | |
152 | MountPoint *swap; | |
153 | char *dev = NULL, *d; | |
154 | int k; | |
155 | ||
527b7a42 LP |
156 | k = fscanf(proc_swaps, |
157 | "%ms " /* device/file */ | |
158 | "%*s " /* type of swap */ | |
159 | "%*s " /* swap size */ | |
160 | "%*s " /* used */ | |
161 | "%*s\n", /* priority */ | |
162 | &dev); | |
e3478379 | 163 | |
527b7a42 | 164 | if (k != 1) { |
e3478379 FF |
165 | if (k == EOF) |
166 | break; | |
167 | ||
168 | log_warning("Failed to parse /proc/swaps:%u.", i); | |
e3478379 FF |
169 | free(dev); |
170 | continue; | |
171 | } | |
172 | ||
a87f0f72 | 173 | if (endswith(dev, " (deleted)")) { |
e3478379 FF |
174 | free(dev); |
175 | continue; | |
176 | } | |
177 | ||
527b7a42 | 178 | r = cunescape(dev, UNESCAPE_RELAX, &d); |
e3478379 | 179 | free(dev); |
527b7a42 LP |
180 | if (r < 0) |
181 | return r; | |
e3478379 | 182 | |
527b7a42 LP |
183 | swap = new0(MountPoint, 1); |
184 | if (!swap) { | |
e3478379 | 185 | free(d); |
e1d75803 | 186 | return -ENOMEM; |
e3478379 FF |
187 | } |
188 | ||
2d9a3397 | 189 | swap->path = d; |
71fda00f | 190 | LIST_PREPEND(mount_point, *head, swap); |
e3478379 FF |
191 | } |
192 | ||
e1d75803 | 193 | return 0; |
e3478379 FF |
194 | } |
195 | ||
12aad1d0 | 196 | static int loopback_list_get(MountPoint **head) { |
1ca208fb | 197 | _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL; |
e3478379 | 198 | struct udev_list_entry *item = NULL, *first = NULL; |
06acf2d4 LP |
199 | _cleanup_udev_unref_ struct udev *udev = NULL; |
200 | int r; | |
e3478379 | 201 | |
12aad1d0 LP |
202 | assert(head); |
203 | ||
1ca208fb ZJS |
204 | udev = udev_new(); |
205 | if (!udev) | |
206 | return -ENOMEM; | |
e3478379 | 207 | |
1ca208fb ZJS |
208 | e = udev_enumerate_new(udev); |
209 | if (!e) | |
210 | return -ENOMEM; | |
e3478379 | 211 | |
06acf2d4 LP |
212 | r = udev_enumerate_add_match_subsystem(e, "block"); |
213 | if (r < 0) | |
214 | return r; | |
215 | ||
216 | r = udev_enumerate_add_match_sysname(e, "loop*"); | |
217 | if (r < 0) | |
218 | return r; | |
219 | ||
220 | r = udev_enumerate_add_match_sysattr(e, "loop/backing_file", NULL); | |
221 | if (r < 0) | |
222 | return r; | |
e3478379 | 223 | |
06acf2d4 LP |
224 | r = udev_enumerate_scan_devices(e); |
225 | if (r < 0) | |
226 | return r; | |
e3478379 FF |
227 | |
228 | first = udev_enumerate_get_list_entry(e); | |
e3478379 FF |
229 | udev_list_entry_foreach(item, first) { |
230 | MountPoint *lb; | |
1ca208fb | 231 | _cleanup_udev_device_unref_ struct udev_device *d; |
e3478379 | 232 | char *loop; |
b854a7e7 | 233 | const char *dn; |
e3478379 | 234 | |
1ca208fb ZJS |
235 | d = udev_device_new_from_syspath(udev, udev_list_entry_get_name(item)); |
236 | if (!d) | |
237 | return -ENOMEM; | |
e3478379 | 238 | |
1ca208fb ZJS |
239 | dn = udev_device_get_devnode(d); |
240 | if (!dn) | |
2d9a3397 | 241 | continue; |
b854a7e7 | 242 | |
2d9a3397 | 243 | loop = strdup(dn); |
1ca208fb ZJS |
244 | if (!loop) |
245 | return -ENOMEM; | |
b854a7e7 | 246 | |
1ca208fb ZJS |
247 | lb = new0(MountPoint, 1); |
248 | if (!lb) { | |
e3478379 | 249 | free(loop); |
1ca208fb | 250 | return -ENOMEM; |
e3478379 FF |
251 | } |
252 | ||
2d9a3397 | 253 | lb->path = loop; |
71fda00f | 254 | LIST_PREPEND(mount_point, *head, lb); |
e3478379 FF |
255 | } |
256 | ||
1ca208fb | 257 | return 0; |
e3478379 FF |
258 | } |
259 | ||
12aad1d0 | 260 | static int dm_list_get(MountPoint **head) { |
1ca208fb | 261 | _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL; |
d48141ba | 262 | struct udev_list_entry *item = NULL, *first = NULL; |
06acf2d4 LP |
263 | _cleanup_udev_unref_ struct udev *udev = NULL; |
264 | int r; | |
d48141ba | 265 | |
12aad1d0 LP |
266 | assert(head); |
267 | ||
1ca208fb ZJS |
268 | udev = udev_new(); |
269 | if (!udev) | |
270 | return -ENOMEM; | |
d48141ba | 271 | |
1ca208fb ZJS |
272 | e = udev_enumerate_new(udev); |
273 | if (!e) | |
274 | return -ENOMEM; | |
d48141ba | 275 | |
06acf2d4 LP |
276 | r = udev_enumerate_add_match_subsystem(e, "block"); |
277 | if (r < 0) | |
278 | return r; | |
d48141ba | 279 | |
06acf2d4 LP |
280 | r = udev_enumerate_add_match_sysname(e, "dm-*"); |
281 | if (r < 0) | |
282 | return r; | |
d48141ba | 283 | |
06acf2d4 LP |
284 | r = udev_enumerate_scan_devices(e); |
285 | if (r < 0) | |
286 | return r; | |
d48141ba | 287 | |
06acf2d4 | 288 | first = udev_enumerate_get_list_entry(e); |
d48141ba | 289 | udev_list_entry_foreach(item, first) { |
2d9a3397 | 290 | MountPoint *m; |
1ca208fb | 291 | _cleanup_udev_device_unref_ struct udev_device *d; |
2d9a3397 LP |
292 | dev_t devnum; |
293 | char *node; | |
294 | const char *dn; | |
d48141ba | 295 | |
1ca208fb ZJS |
296 | d = udev_device_new_from_syspath(udev, udev_list_entry_get_name(item)); |
297 | if (!d) | |
298 | return -ENOMEM; | |
d48141ba | 299 | |
2d9a3397 LP |
300 | devnum = udev_device_get_devnum(d); |
301 | dn = udev_device_get_devnode(d); | |
1ca208fb | 302 | if (major(devnum) == 0 || !dn) |
2d9a3397 | 303 | continue; |
d48141ba | 304 | |
2d9a3397 | 305 | node = strdup(dn); |
1ca208fb ZJS |
306 | if (!node) |
307 | return -ENOMEM; | |
d48141ba | 308 | |
1ca208fb ZJS |
309 | m = new(MountPoint, 1); |
310 | if (!m) { | |
2d9a3397 | 311 | free(node); |
1ca208fb | 312 | return -ENOMEM; |
d48141ba LP |
313 | } |
314 | ||
2d9a3397 LP |
315 | m->path = node; |
316 | m->devnum = devnum; | |
71fda00f | 317 | LIST_PREPEND(mount_point, *head, m); |
d48141ba LP |
318 | } |
319 | ||
1ca208fb | 320 | return 0; |
d48141ba LP |
321 | } |
322 | ||
e3478379 | 323 | static int delete_loopback(const char *device) { |
03e334a1 LP |
324 | _cleanup_close_ int fd = -1; |
325 | int r; | |
e3478379 | 326 | |
03e334a1 LP |
327 | fd = open(device, O_RDONLY|O_CLOEXEC); |
328 | if (fd < 0) | |
c4f8bd1a | 329 | return errno == ENOENT ? 0 : -errno; |
e3478379 | 330 | |
ce726252 | 331 | r = ioctl(fd, LOOP_CLR_FD, 0); |
12aad1d0 LP |
332 | if (r >= 0) |
333 | return 1; | |
334 | ||
ce726252 | 335 | /* ENXIO: not bound, so no error */ |
12aad1d0 LP |
336 | if (errno == ENXIO) |
337 | return 0; | |
338 | ||
339 | return -errno; | |
e3478379 FF |
340 | } |
341 | ||
2d9a3397 | 342 | static int delete_dm(dev_t devnum) { |
7fd1b19b | 343 | _cleanup_close_ int fd = -1; |
e62d8c39 | 344 | int r; |
b92bea5d ZJS |
345 | struct dm_ioctl dm = { |
346 | .version = {DM_VERSION_MAJOR, | |
347 | DM_VERSION_MINOR, | |
348 | DM_VERSION_PATCHLEVEL}, | |
349 | .data_size = sizeof(dm), | |
350 | .dev = devnum, | |
351 | }; | |
d48141ba | 352 | |
2d9a3397 | 353 | assert(major(devnum) != 0); |
d48141ba | 354 | |
e62d8c39 ZJS |
355 | fd = open("/dev/mapper/control", O_RDWR|O_CLOEXEC); |
356 | if (fd < 0) | |
d48141ba LP |
357 | return -errno; |
358 | ||
d48141ba | 359 | r = ioctl(fd, DM_DEV_REMOVE, &dm); |
d48141ba LP |
360 | return r >= 0 ? 0 : -errno; |
361 | } | |
362 | ||
31657718 | 363 | static int mount_points_list_umount(MountPoint **head, bool *changed, bool log_error) { |
12aad1d0 LP |
364 | MountPoint *m, *n; |
365 | int n_failed = 0; | |
e3478379 | 366 | |
12aad1d0 LP |
367 | assert(head); |
368 | ||
369 | LIST_FOREACH_SAFE(mount_point, m, n, *head) { | |
93bd1577 LP |
370 | |
371 | /* If we are in a container, don't attempt to | |
372 | read-only mount anything as that brings no real | |
373 | benefits, but might confuse the host, as we remount | |
374 | the superblock here, not the bind mound. */ | |
75f86906 | 375 | if (detect_container() <= 0) { |
93bd1577 LP |
376 | /* We always try to remount directories |
377 | * read-only first, before we go on and umount | |
378 | * them. | |
379 | * | |
380 | * Mount points can be stacked. If a mount | |
381 | * point is stacked below / or /usr, we | |
ab06eef8 | 382 | * cannot umount or remount it directly, |
93bd1577 LP |
383 | * since there is no way to refer to the |
384 | * underlying mount. There's nothing we can do | |
385 | * about it for the general case, but we can | |
386 | * do something about it if it is aliased | |
387 | * somehwere else via a bind mount. If we | |
388 | * explicitly remount the super block of that | |
389 | * alias read-only we hence should be | |
390 | * relatively safe regarding keeping the fs we | |
391 | * can otherwise not see dirty. */ | |
034e10d7 | 392 | (void) mount(NULL, m->path, NULL, MS_REMOUNT|MS_RDONLY, NULL); |
93bd1577 LP |
393 | } |
394 | ||
395 | /* Skip / and /usr since we cannot unmount that | |
5a6f9d23 HG |
396 | * anyway, since we are running from it. They have |
397 | * already been remounted ro. */ | |
9cacf564 LP |
398 | if (path_equal(m->path, "/") |
399 | #ifndef HAVE_SPLIT_USR | |
400 | || path_equal(m->path, "/usr") | |
401 | #endif | |
14088340 | 402 | ) |
e3478379 FF |
403 | continue; |
404 | ||
0c08f5cd LP |
405 | /* Trying to umount. We don't force here since we rely |
406 | * on busy NFS and FUSE file systems to return EBUSY | |
407 | * until we closed everything on top of them. */ | |
bce93b7a | 408 | log_info("Unmounting %s.", m->path); |
0c08f5cd | 409 | if (umount2(m->path, 0) == 0) { |
12aad1d0 LP |
410 | if (changed) |
411 | *changed = true; | |
412 | ||
413 | mount_point_free(head, m); | |
31657718 | 414 | } else if (log_error) { |
56f64d95 | 415 | log_warning_errno(errno, "Could not unmount %s: %m", m->path); |
12aad1d0 | 416 | n_failed++; |
e3478379 FF |
417 | } |
418 | } | |
419 | ||
12aad1d0 | 420 | return n_failed; |
e3478379 FF |
421 | } |
422 | ||
12aad1d0 LP |
423 | static int swap_points_list_off(MountPoint **head, bool *changed) { |
424 | MountPoint *m, *n; | |
425 | int n_failed = 0; | |
426 | ||
427 | assert(head); | |
e3478379 | 428 | |
12aad1d0 | 429 | LIST_FOREACH_SAFE(mount_point, m, n, *head) { |
735e0712 | 430 | log_info("Deactivating swap %s.", m->path); |
12aad1d0 LP |
431 | if (swapoff(m->path) == 0) { |
432 | if (changed) | |
433 | *changed = true; | |
434 | ||
435 | mount_point_free(head, m); | |
436 | } else { | |
56f64d95 | 437 | log_warning_errno(errno, "Could not deactivate swap %s: %m", m->path); |
12aad1d0 | 438 | n_failed++; |
e3478379 FF |
439 | } |
440 | } | |
441 | ||
12aad1d0 | 442 | return n_failed; |
e3478379 FF |
443 | } |
444 | ||
12aad1d0 LP |
445 | static int loopback_points_list_detach(MountPoint **head, bool *changed) { |
446 | MountPoint *m, *n; | |
7fc942b2 LP |
447 | int n_failed = 0, k; |
448 | struct stat root_st; | |
12aad1d0 LP |
449 | |
450 | assert(head); | |
451 | ||
7fc942b2 LP |
452 | k = lstat("/", &root_st); |
453 | ||
12aad1d0 LP |
454 | LIST_FOREACH_SAFE(mount_point, m, n, *head) { |
455 | int r; | |
7fc942b2 LP |
456 | struct stat loopback_st; |
457 | ||
458 | if (k >= 0 && | |
459 | major(root_st.st_dev) != 0 && | |
460 | lstat(m->path, &loopback_st) >= 0 && | |
461 | root_st.st_dev == loopback_st.st_rdev) { | |
462 | n_failed ++; | |
463 | continue; | |
464 | } | |
e3478379 | 465 | |
735e0712 | 466 | log_info("Detaching loopback %s.", m->path); |
bce93b7a MS |
467 | r = delete_loopback(m->path); |
468 | if (r >= 0) { | |
12aad1d0 LP |
469 | if (r > 0 && changed) |
470 | *changed = true; | |
471 | ||
472 | mount_point_free(head, m); | |
473 | } else { | |
56f64d95 | 474 | log_warning_errno(errno, "Could not detach loopback %s: %m", m->path); |
12aad1d0 | 475 | n_failed++; |
e3478379 FF |
476 | } |
477 | } | |
478 | ||
12aad1d0 | 479 | return n_failed; |
e3478379 FF |
480 | } |
481 | ||
12aad1d0 LP |
482 | static int dm_points_list_detach(MountPoint **head, bool *changed) { |
483 | MountPoint *m, *n; | |
7fc942b2 LP |
484 | int n_failed = 0, k; |
485 | struct stat root_st; | |
12aad1d0 LP |
486 | |
487 | assert(head); | |
488 | ||
7fc942b2 LP |
489 | k = lstat("/", &root_st); |
490 | ||
12aad1d0 LP |
491 | LIST_FOREACH_SAFE(mount_point, m, n, *head) { |
492 | int r; | |
493 | ||
7fc942b2 LP |
494 | if (k >= 0 && |
495 | major(root_st.st_dev) != 0 && | |
496 | root_st.st_dev == m->devnum) { | |
497 | n_failed ++; | |
498 | continue; | |
499 | } | |
500 | ||
735e0712 | 501 | log_info("Detaching DM %u:%u.", major(m->devnum), minor(m->devnum)); |
bce93b7a MS |
502 | r = delete_dm(m->devnum); |
503 | if (r >= 0) { | |
c6784066 | 504 | if (changed) |
12aad1d0 | 505 | *changed = true; |
d48141ba | 506 | |
12aad1d0 LP |
507 | mount_point_free(head, m); |
508 | } else { | |
56f64d95 | 509 | log_warning_errno(errno, "Could not detach DM %s: %m", m->path); |
12aad1d0 | 510 | n_failed++; |
d48141ba LP |
511 | } |
512 | } | |
513 | ||
12aad1d0 | 514 | return n_failed; |
d48141ba LP |
515 | } |
516 | ||
12aad1d0 | 517 | int umount_all(bool *changed) { |
e3478379 | 518 | int r; |
6f7f51f7 | 519 | bool umount_changed; |
e3478379 FF |
520 | LIST_HEAD(MountPoint, mp_list_head); |
521 | ||
71fda00f | 522 | LIST_HEAD_INIT(mp_list_head); |
e3478379 FF |
523 | r = mount_points_list_get(&mp_list_head); |
524 | if (r < 0) | |
525 | goto end; | |
526 | ||
6f7f51f7 HH |
527 | /* retry umount, until nothing can be umounted anymore */ |
528 | do { | |
529 | umount_changed = false; | |
3e085b6c LP |
530 | |
531 | mount_points_list_umount(&mp_list_head, &umount_changed, false); | |
6f7f51f7 HH |
532 | if (umount_changed) |
533 | *changed = true; | |
3e085b6c LP |
534 | |
535 | } while (umount_changed); | |
536 | ||
31657718 HH |
537 | /* umount one more time with logging enabled */ |
538 | r = mount_points_list_umount(&mp_list_head, &umount_changed, true); | |
e3478379 FF |
539 | if (r <= 0) |
540 | goto end; | |
541 | ||
e3478379 FF |
542 | end: |
543 | mount_points_list_free(&mp_list_head); | |
544 | ||
545 | return r; | |
546 | } | |
547 | ||
12aad1d0 | 548 | int swapoff_all(bool *changed) { |
e3478379 FF |
549 | int r; |
550 | LIST_HEAD(MountPoint, swap_list_head); | |
551 | ||
71fda00f | 552 | LIST_HEAD_INIT(swap_list_head); |
e3478379 FF |
553 | |
554 | r = swap_list_get(&swap_list_head); | |
555 | if (r < 0) | |
556 | goto end; | |
557 | ||
12aad1d0 | 558 | r = swap_points_list_off(&swap_list_head, changed); |
e3478379 FF |
559 | |
560 | end: | |
561 | mount_points_list_free(&swap_list_head); | |
562 | ||
563 | return r; | |
564 | } | |
565 | ||
12aad1d0 | 566 | int loopback_detach_all(bool *changed) { |
e3478379 FF |
567 | int r; |
568 | LIST_HEAD(MountPoint, loopback_list_head); | |
569 | ||
71fda00f | 570 | LIST_HEAD_INIT(loopback_list_head); |
e3478379 FF |
571 | |
572 | r = loopback_list_get(&loopback_list_head); | |
573 | if (r < 0) | |
574 | goto end; | |
575 | ||
12aad1d0 | 576 | r = loopback_points_list_detach(&loopback_list_head, changed); |
e3478379 FF |
577 | |
578 | end: | |
579 | mount_points_list_free(&loopback_list_head); | |
580 | ||
581 | return r; | |
582 | } | |
d48141ba | 583 | |
12aad1d0 | 584 | int dm_detach_all(bool *changed) { |
d48141ba LP |
585 | int r; |
586 | LIST_HEAD(MountPoint, dm_list_head); | |
587 | ||
71fda00f | 588 | LIST_HEAD_INIT(dm_list_head); |
d48141ba LP |
589 | |
590 | r = dm_list_get(&dm_list_head); | |
591 | if (r < 0) | |
592 | goto end; | |
593 | ||
12aad1d0 | 594 | r = dm_points_list_detach(&dm_list_head, changed); |
d48141ba LP |
595 | |
596 | end: | |
597 | mount_points_list_free(&dm_list_head); | |
598 | ||
599 | return r; | |
600 | } |