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unit: reduce heap usage for unit objects
[thirdparty/systemd.git] / src / mount.c
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d6c9574f 1/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
5cb5a6ff 2
a7334b09
LP		 3/***
4 This file is part of systemd.
5
6 Copyright 2010 Lennart Poettering
7
8 systemd is free software; you can redistribute it and/or modify it
9 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 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
16 General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
20***/
21
5cb5a6ff 22#include <errno.h>
b08d03ff
LP		 23#include <stdio.h>
24#include <mntent.h>
ef734fd6 25#include <sys/epoll.h>
e537352b 26#include <signal.h>
5cb5a6ff 27
87f0e418 28#include "unit.h"
5cb5a6ff
LP		 29#include "mount.h"
30#include "load-fragment.h"
5cb5a6ff 31#include "load-dropin.h"
b08d03ff 32#include "log.h"
e537352b
LP		 33#include "strv.h"
34#include "mount-setup.h"
9e2f7c11 35#include "unit-name.h"
4139c1b2 36#include "dbus-mount.h"
514f4ef5 37#include "special.h"
8a0867d6 38#include "bus-errors.h"
9a57c629 39#include "exit-status.h"
f6a6225e 40#include "def.h"
5cb5a6ff 41
f50e0a01
LP		 42static const UnitActiveState state_translation_table[_MOUNT_STATE_MAX] = {
43 [MOUNT_DEAD] = UNIT_INACTIVE,
44 [MOUNT_MOUNTING] = UNIT_ACTIVATING,
e537352b 45 [MOUNT_MOUNTING_DONE] = UNIT_ACTIVE,
f50e0a01 46 [MOUNT_MOUNTED] = UNIT_ACTIVE,
032ff4af 47 [MOUNT_REMOUNTING] = UNIT_RELOADING,
f50e0a01 48 [MOUNT_UNMOUNTING] = UNIT_DEACTIVATING,
e537352b
LP		 49 [MOUNT_MOUNTING_SIGTERM] = UNIT_DEACTIVATING,
50 [MOUNT_MOUNTING_SIGKILL] = UNIT_DEACTIVATING,
032ff4af
LP		 51 [MOUNT_REMOUNTING_SIGTERM] = UNIT_RELOADING,
52 [MOUNT_REMOUNTING_SIGKILL] = UNIT_RELOADING,
e537352b
LP		 53 [MOUNT_UNMOUNTING_SIGTERM] = UNIT_DEACTIVATING,
54 [MOUNT_UNMOUNTING_SIGKILL] = UNIT_DEACTIVATING,
fdf20a31 55 [MOUNT_FAILED] = UNIT_FAILED
f50e0a01 56};
5cb5a6ff 57
a16e1123
LP		 58static void mount_init(Unit *u) {
59 Mount *m = MOUNT(u);
5cb5a6ff 60
a16e1123
LP		 61 assert(u);
62 assert(u->meta.load_state == UNIT_STUB);
63
64 m->timeout_usec = DEFAULT_TIMEOUT_USEC;
3e5235b0
LP		 65 m->directory_mode = 0755;
66
c3686083 67 exec_context_init(&m->exec_context);
d893269d
LP		 68
69 /* The stdio/kmsg bridge socket is on /, in order to avoid a
70 * dep loop, don't use kmsg logging for -.mount */
f6cebb3b
MS		 71 if (!unit_has_name(u, "-.mount")) {
72 m->exec_context.std_output = u->meta.manager->default_std_output;
73 m->exec_context.std_error = u->meta.manager->default_std_error;
74 }
c3686083 75
a16e1123
LP		 76 /* We need to make sure that /bin/mount is always called in
77 * the same process group as us, so that the autofs kernel
78 * side doesn't send us another mount request while we are
79 * already trying to comply its last one. */
74922904 80 m->exec_context.same_pgrp = true;
8d567588 81
a16e1123
LP		 82 m->timer_watch.type = WATCH_INVALID;
83
84 m->control_command_id = _MOUNT_EXEC_COMMAND_INVALID;
c8f4d764
LP		 85
86 m->meta.ignore_on_isolate = true;
8d567588
LP		 87}
88
a16e1123 89static void mount_unwatch_control_pid(Mount *m) {
5e94833f
LP		 90 assert(m);
91
92 if (m->control_pid <= 0)
93 return;
94
95 unit_unwatch_pid(UNIT(m), m->control_pid);
96 m->control_pid = 0;
97}
98
e537352b
LP		 99static void mount_parameters_done(MountParameters *p) {
100 assert(p);
101
102 free(p->what);
103 free(p->options);
104 free(p->fstype);
105
106 p->what = p->options = p->fstype = NULL;
107}
108
87f0e418 109static void mount_done(Unit *u) {
ef734fd6 110 Mount *m = MOUNT(u);
034c6ed7 111
ef734fd6 112 assert(m);
034c6ed7 113
e537352b
LP		 114 free(m->where);
115 m->where = NULL;
f50e0a01 116
e537352b
LP		 117 mount_parameters_done(&m->parameters_etc_fstab);
118 mount_parameters_done(&m->parameters_proc_self_mountinfo);
119 mount_parameters_done(&m->parameters_fragment);
ef734fd6 120
e537352b
LP		 121 exec_context_done(&m->exec_context);
122 exec_command_done_array(m->exec_command, _MOUNT_EXEC_COMMAND_MAX);
123 m->control_command = NULL;
f50e0a01 124
a16e1123 125 mount_unwatch_control_pid(m);
f50e0a01 126
e537352b 127 unit_unwatch_timer(u, &m->timer_watch);
f50e0a01
LP		 128}
129
cb39ed3f
LP		 130static MountParameters* get_mount_parameters_configured(Mount *m) {
131 assert(m);
132
133 if (m->from_fragment)
134 return &m->parameters_fragment;
135 else if (m->from_etc_fstab)
136 return &m->parameters_etc_fstab;
137
138 return NULL;
139}
140
141static MountParameters* get_mount_parameters(Mount *m) {
142 assert(m);
143
144 if (m->from_proc_self_mountinfo)
145 return &m->parameters_proc_self_mountinfo;
146
147 return get_mount_parameters_configured(m);
148}
149
6e2ef85b
LP		 150static int mount_add_mount_links(Mount *m) {
151 Meta *other;
b08d03ff 152 int r;
5c78d8e2 153 MountParameters *pm;
b08d03ff 154
6e2ef85b 155 assert(m);
b08d03ff 156
cb39ed3f 157 pm = get_mount_parameters_configured(m);
5c78d8e2 158
6e2ef85b
LP		 159 /* Adds in links to other mount points that might lie below or
160 * above us in the hierarchy */
e537352b 161
ab5c3e3f 162 LIST_FOREACH(units_by_type, other, m->meta.manager->units_by_type[UNIT_MOUNT]) {
6e2ef85b 163 Mount *n = (Mount*) other;
5c78d8e2 164 MountParameters *pn;
07b0b134 165
6e2ef85b
LP		 166 if (n == m)
167 continue;
b08d03ff 168
6e2ef85b
LP		 169 if (n->meta.load_state != UNIT_LOADED)
170 continue;
b08d03ff 171
cb39ed3f 172 pn = get_mount_parameters_configured(n);
5c78d8e2 173
6e2ef85b 174 if (path_startswith(m->where, n->where)) {
b08d03ff 175
6e2ef85b
LP		 176 if ((r = unit_add_dependency(UNIT(m), UNIT_AFTER, UNIT(n), true)) < 0)
177 return r;
b08d03ff 178
cb39ed3f 179 if (pn)
6e2ef85b
LP		 180 if ((r = unit_add_dependency(UNIT(m), UNIT_REQUIRES, UNIT(n), true)) < 0)
181 return r;
b08d03ff 182
6e2ef85b 183 } else if (path_startswith(n->where, m->where)) {
b08d03ff 184
5c78d8e2
LP		 185 if ((r = unit_add_dependency(UNIT(n), UNIT_AFTER, UNIT(m), true)) < 0)
186 return r;
187
cb39ed3f 188 if (pm)
5c78d8e2
LP		 189 if ((r = unit_add_dependency(UNIT(n), UNIT_REQUIRES, UNIT(m), true)) < 0)
190 return r;
191
192 } else if (pm && path_startswith(pm->what, n->where)) {
193
194 if ((r = unit_add_dependency(UNIT(m), UNIT_AFTER, UNIT(n), true)) < 0)
6e2ef85b
LP		 195 return r;
196
cb39ed3f
LP		 197 if ((r = unit_add_dependency(UNIT(m), UNIT_REQUIRES, UNIT(n), true)) < 0)
198 return r;
5c78d8e2
LP		 199
200 } else if (pn && path_startswith(pn->what, m->where)) {
201
202 if ((r = unit_add_dependency(UNIT(n), UNIT_AFTER, UNIT(m), true)) < 0)
203 return r;
204
cb39ed3f
LP		 205 if ((r = unit_add_dependency(UNIT(n), UNIT_REQUIRES, UNIT(m), true)) < 0)
206 return r;
6e2ef85b
LP		 207 }
208 }
b08d03ff
LP		 209
210 return 0;
211}
212
6e2ef85b 213static int mount_add_swap_links(Mount *m) {
ef734fd6 214 Meta *other;
b08d03ff
LP		 215 int r;
216
6e2ef85b 217 assert(m);
b08d03ff 218
ab5c3e3f 219 LIST_FOREACH(units_by_type, other, m->meta.manager->units_by_type[UNIT_SWAP])
6e2ef85b
LP		 220 if ((r = swap_add_one_mount_link((Swap*) other, m)) < 0)
221 return r;
b08d03ff 222
6e2ef85b
LP		 223 return 0;
224}
b08d03ff 225
01f78473
LP		 226static int mount_add_path_links(Mount *m) {
227 Meta *other;
228 int r;
229
230 assert(m);
231
ab5c3e3f 232 LIST_FOREACH(units_by_type, other, m->meta.manager->units_by_type[UNIT_PATH])
01f78473
LP		 233 if ((r = path_add_one_mount_link((Path*) other, m)) < 0)
234 return r;
235
236 return 0;
237}
238
6e2ef85b
LP		 239static int mount_add_automount_links(Mount *m) {
240 Meta *other;
241 int r;
e537352b 242
6e2ef85b 243 assert(m);
b08d03ff 244
ab5c3e3f 245 LIST_FOREACH(units_by_type, other, m->meta.manager->units_by_type[UNIT_AUTOMOUNT])
6e2ef85b
LP		 246 if ((r = automount_add_one_mount_link((Automount*) other, m)) < 0)
247 return r;
b08d03ff 248
6e2ef85b
LP		 249 return 0;
250}
b08d03ff 251
6e2ef85b
LP		 252static int mount_add_socket_links(Mount *m) {
253 Meta *other;
254 int r;
b08d03ff 255
6e2ef85b 256 assert(m);
b08d03ff 257
ab5c3e3f 258 LIST_FOREACH(units_by_type, other, m->meta.manager->units_by_type[UNIT_SOCKET])
6e2ef85b
LP		 259 if ((r = socket_add_one_mount_link((Socket*) other, m)) < 0)
260 return r;
b08d03ff
LP		 261
262 return 0;
263}
264
07b0b134 265static char* mount_test_option(const char *haystack, const char *needle) {
e537352b
LP		 266 struct mntent me;
267
268 assert(needle);
269
270 /* Like glibc's hasmntopt(), but works on a string, not a
271 * struct mntent */
272
273 if (!haystack)
274 return false;
275
276 zero(me);
277 me.mnt_opts = (char*) haystack;
278
07b0b134 279 return hasmntopt(&me, needle);
e537352b
LP		 280}
281
cb39ed3f
LP		 282static bool mount_is_network(MountParameters *p) {
283 assert(p);
284
285 if (mount_test_option(p->options, "_netdev"))
286 return true;
287
288 if (p->fstype && fstype_is_network(p->fstype))
289 return true;
290
291 return false;
292}
293
294static bool mount_is_bind(MountParameters *p) {
295 assert(p);
296
297 if (mount_test_option(p->options, "bind"))
298 return true;
299
300 if (p->fstype && streq(p->fstype, "bind"))
301 return true;
302
303 return false;
304}
305
306static bool needs_quota(MountParameters *p) {
307 assert(p);
308
309 if (mount_is_network(p))
310 return false;
311
312 if (mount_is_bind(p))
313 return false;
314
315 return mount_test_option(p->options, "usrquota") ||
d3354f66
LP		 316 mount_test_option(p->options, "grpquota") ||
317 mount_test_option(p->options, "quota") ||
318 mount_test_option(p->options, "usrjquota") ||
319 mount_test_option(p->options, "grpjquota");
cb39ed3f
LP		 320}
321
155da457 322static int mount_add_fstab_links(Mount *m) {
7fc2a89a 323 const char *target, *after = NULL, *after2 = NULL;
e537352b 324 MountParameters *p;
a16e1123 325 Unit *tu;
e537352b 326 int r;
d9143006 327 bool noauto, nofail, handle, automount;
e537352b
LP		 328
329 assert(m);
330
155da457
LP		 331 if (m->meta.manager->running_as != MANAGER_SYSTEM)
332 return 0;
333
cb39ed3f 334 if (!(p = get_mount_parameters_configured(m)))
e537352b
LP		 335 return 0;
336
155da457
LP		 337 if (p != &m->parameters_etc_fstab)
338 return 0;
339
340 noauto = !!mount_test_option(p->options, "noauto");
d9143006 341 nofail = !!mount_test_option(p->options, "nofail");
155da457
LP		 342 automount =
343 mount_test_option(p->options, "comment=systemd.automount") ||
344 mount_test_option(p->options, "x-systemd-automount");
d4a7e06d 345 handle =
155da457 346 automount ||
d4a7e06d
LP		 347 mount_test_option(p->options, "comment=systemd.mount") ||
348 mount_test_option(p->options, "x-systemd-mount") ||
d3689161 349 m->meta.manager->mount_auto;
e537352b 350
cb39ed3f 351 if (mount_is_network(p)) {
e537352b 352 target = SPECIAL_REMOTE_FS_TARGET;
21e557ed 353 after = SPECIAL_REMOTE_FS_PRE_TARGET;
7fc2a89a 354 after2 = SPECIAL_NETWORK_TARGET;
21e557ed 355 } else {
e537352b 356 target = SPECIAL_LOCAL_FS_TARGET;
21e557ed
LP		 357 after = SPECIAL_LOCAL_FS_PRE_TARGET;
358 }
e537352b 359
398ef8ba 360 if ((r = manager_load_unit(m->meta.manager, target, NULL, NULL, &tu)) < 0)
e537352b
LP		 361 return r;
362
a55da3cd 363 if (after)
50483512 364 if ((r = unit_add_dependency_by_name(UNIT(m), UNIT_AFTER, after, NULL, true)) < 0)
a55da3cd
LP		 365 return r;
366
7fc2a89a
LP		 367 if (after2)
368 if ((r = unit_add_dependency_by_name(UNIT(m), UNIT_AFTER, after2, NULL, true)) < 0)
369 return r;
370
155da457 371 if (automount) {
a16e1123
LP		 372 Unit *am;
373
374 if ((r = unit_load_related_unit(UNIT(m), ".automount", &am)) < 0)
9fcc065a 375 return r;
e537352b 376
155da457
LP		 377 /* If auto is configured as well also pull in the
378 * mount right-away, but don't rely on it. */
379 if (!noauto) /* automount + auto */
380 if ((r = unit_add_dependency(tu, UNIT_WANTS, UNIT(m), true)) < 0)
381 return r;
382
383 /* Install automount unit */
384 if (!nofail) /* automount + fail */
385 return unit_add_two_dependencies(tu, UNIT_AFTER, UNIT_REQUIRES, UNIT(am), true);
386 else /* automount + nofail */
387 return unit_add_two_dependencies(tu, UNIT_AFTER, UNIT_WANTS, UNIT(am), true);
388
389 } else if (handle && !noauto) {
a16e1123 390
81bf310e
LP		 391 /* Automatically add mount points that aren't natively
392 * configured to local-fs.target */
a16e1123 393
155da457
LP		 394 if (!nofail) /* auto + fail */
395 return unit_add_two_dependencies(tu, UNIT_AFTER, UNIT_REQUIRES, UNIT(m), true);
396 else /* auto + nofail */
397 return unit_add_dependency(tu, UNIT_WANTS, UNIT(m), true);
a16e1123 398 }
155da457
LP		 399
400 return 0;
e537352b
LP		 401}
402
173a8d04
LP		 403static int mount_add_device_links(Mount *m) {
404 MountParameters *p;
9fff8a1f 405 int r;
173a8d04
LP		 406
407 assert(m);
408
cb39ed3f 409 if (!(p = get_mount_parameters_configured(m)))
173a8d04
LP		 410 return 0;
411
9fff8a1f 412 if (!p->what)
173a8d04 413 return 0;
5c78d8e2 414
155da457
LP		 415 if (!mount_is_bind(p) &&
416 !path_equal(m->where, "/") &&
417 p == &m->parameters_etc_fstab) {
9fff8a1f 418 bool nofail, noauto;
173a8d04 419
155da457 420 noauto = !!mount_test_option(p->options, "noauto");
9fff8a1f
LP		 421 nofail = !!mount_test_option(p->options, "nofail");
422
423 if ((r = unit_add_node_link(UNIT(m), p->what,
424 !noauto && nofail &&
425 UNIT(m)->meta.manager->running_as == MANAGER_SYSTEM)) < 0)
426 return r;
427 }
428
491ad5dc 429 if (p->passno > 0 &&
ff2e0f05 430 !mount_is_bind(p) &&
b65a25f2
LP		 431 UNIT(m)->meta.manager->running_as == MANAGER_SYSTEM &&
432 !path_equal(m->where, "/")) {
9fff8a1f
LP		 433 char *name;
434 Unit *fsck;
435 /* Let's add in the fsck service */
173a8d04 436
a9e1f5ec 437 /* aka SPECIAL_FSCK_SERVICE */
9fff8a1f
LP		 438 if (!(name = unit_name_from_path_instance("fsck", p->what, ".service")))
439 return -ENOMEM;
440
441 if ((r = manager_load_unit_prepare(m->meta.manager, name, NULL, NULL, &fsck)) < 0) {
442 log_warning("Failed to prepare unit %s: %s", name, strerror(-r));
443 free(name);
444 return r;
445 }
446
447 free(name);
448
449 SERVICE(fsck)->fsck_passno = p->passno;
450
0355825f 451 if ((r = unit_add_two_dependencies(UNIT(m), UNIT_AFTER, UNIT_REQUIRES, fsck, true)) < 0)
9fff8a1f
LP		 452 return r;
453 }
454
455 return 0;
173a8d04
LP		 456}
457
2edd4434
LP		 458static int mount_add_default_dependencies(Mount *m) {
459 int r;
9ddc4a26 460 MountParameters *p;
2edd4434
LP		 461
462 assert(m);
463
9ddc4a26
MS		 464 if (m->meta.manager->running_as != MANAGER_SYSTEM)
465 return 0;
cb39ed3f 466
9ddc4a26
MS		 467 p = get_mount_parameters_configured(m);
468 if (p && needs_quota(p)) {
469 if ((r = unit_add_two_dependencies_by_name(UNIT(m), UNIT_BEFORE, UNIT_WANTS, SPECIAL_QUOTACHECK_SERVICE, NULL, true)) < 0 ||
470 (r = unit_add_two_dependencies_by_name(UNIT(m), UNIT_BEFORE, UNIT_WANTS, SPECIAL_QUOTAON_SERVICE, NULL, true)) < 0)
471 return r;
472 }
2edd4434 473
9ddc4a26 474 if (!path_equal(m->where, "/"))
ead8e478 475 if ((r = unit_add_two_dependencies_by_name(UNIT(m), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_UMOUNT_TARGET, NULL, true)) < 0)
75d287d3 476 return r;
2edd4434
LP		 477
478 return 0;
479}
480
f4c05147 481static int mount_fix_timeouts(Mount *m) {
8024c3a7
LP		 482 MountParameters *p;
483 const char *timeout = NULL;
484 Unit *other;
485 Iterator i;
486 usec_t u;
f4c05147
LP		 487 char *t;
488 int r;
8024c3a7
LP		 489
490 assert(m);
491
492 if (!(p = get_mount_parameters_configured(m)))
f4c05147 493 return 0;
8024c3a7
LP		 494
495 /* Allow configuration how long we wait for a device that
496 * backs a mount point to show up. This is useful to support
497 * endless device timeouts for devices that show up only after
498 * user input, like crypto devices. */
499
500 if ((timeout = mount_test_option(p->options, "comment=systemd.device-timeout")))
501 timeout += 31;
502 else if ((timeout = mount_test_option(p->options, "x-systemd-device-timeout")))
503 timeout += 25;
504 else
f4c05147
LP		 505 return 0;
506
507 t = strndup(timeout, strcspn(timeout, ",;" WHITESPACE));
508 if (!t)
509 return -ENOMEM;
8024c3a7 510
f4c05147
LP		 511 r = parse_usec(t, &u);
512 free(t);
513
514 if (r < 0) {
8024c3a7 515 log_warning("Failed to parse timeout for %s, ignoring: %s", m->where, timeout);
f4c05147 516 return r;
8024c3a7
LP		 517 }
518
519 SET_FOREACH(other, m->meta.dependencies[UNIT_AFTER], i) {
520 if (other->meta.type != UNIT_DEVICE)
521 continue;
522
523 other->meta.job_timeout = u;
524 }
f4c05147
LP		 525
526 return 0;
8024c3a7
LP		 527}
528
8d567588
LP		 529static int mount_verify(Mount *m) {
530 bool b;
531 char *e;
532 assert(m);
533
8cbef760 534 if (m->meta.load_state != UNIT_LOADED)
8d567588
LP		 535 return 0;
536
8cbef760
LP		 537 if (!m->from_etc_fstab && !m->from_fragment && !m->from_proc_self_mountinfo)
538 return -ENOENT;
539
a16e1123 540 if (!(e = unit_name_from_path(m->where, ".mount")))
8d567588
LP		 541 return -ENOMEM;
542
543 b = unit_has_name(UNIT(m), e);
544 free(e);
545
546 if (!b) {
4cd1fbcc 547 log_error("%s's Where setting doesn't match unit name. Refusing.", m->meta.id);
8d567588
LP		 548 return -EINVAL;
549 }
550
33ff02c9
LP		 551 if (mount_point_is_api(m->where) || mount_point_ignore(m->where)) {
552 log_error("Cannot create mount unit for API file system %s. Refusing.", m->where);
553 return -EINVAL;
554 }
555
4e85aff4 556 if (m->meta.fragment_path && !m->parameters_fragment.what) {
4cd1fbcc 557 log_error("%s's What setting is missing. Refusing.", m->meta.id);
4e85aff4
LP		 558 return -EBADMSG;
559 }
560
2e22afe9 561 if (m->exec_context.pam_name && m->exec_context.kill_mode != KILL_CONTROL_GROUP) {
4d0e5dbd
LP		 562 log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", m->meta.id);
563 return -EINVAL;
564 }
565
8d567588
LP		 566 return 0;
567}
568
e537352b
LP		 569static int mount_load(Unit *u) {
570 Mount *m = MOUNT(u);
571 int r;
572
573 assert(u);
574 assert(u->meta.load_state == UNIT_STUB);
575
576 if ((r = unit_load_fragment_and_dropin_optional(u)) < 0)
577 return r;
578
579 /* This is a new unit? Then let's add in some extras */
580 if (u->meta.load_state == UNIT_LOADED) {
27abbe82
LP		 581 if ((r = unit_add_exec_dependencies(u, &m->exec_context)) < 0)
582 return r;
583
4e85aff4
LP		 584 if (m->meta.fragment_path)
585 m->from_fragment = true;
e537352b 586
a16e1123
LP		 587 if (!m->where)
588 if (!(m->where = unit_name_to_path(u->meta.id)))
589 return -ENOMEM;
590
591 path_kill_slashes(m->where);
592
4e85aff4
LP		 593 if (!m->meta.description)
594 if ((r = unit_set_description(u, m->where)) < 0)
595 return r;
e537352b 596
173a8d04
LP		 597 if ((r = mount_add_device_links(m)) < 0)
598 return r;
6e2ef85b
LP		 599
600 if ((r = mount_add_mount_links(m)) < 0)
601 return r;
602
603 if ((r = mount_add_socket_links(m)) < 0)
604 return r;
605
606 if ((r = mount_add_swap_links(m)) < 0)
e537352b
LP		 607 return r;
608
01f78473
LP		 609 if ((r = mount_add_path_links(m)) < 0)
610 return r;
611
6e2ef85b 612 if ((r = mount_add_automount_links(m)) < 0)
e537352b
LP		 613 return r;
614
155da457 615 if ((r = mount_add_fstab_links(m)) < 0)
e537352b 616 return r;
4e67ddd6 617
2edd4434
LP		 618 if (m->meta.default_dependencies)
619 if ((r = mount_add_default_dependencies(m)) < 0)
4e67ddd6 620 return r;
8024c3a7 621
155da457
LP		 622 if ((r = unit_add_default_cgroups(u)) < 0)
623 return r;
624
8024c3a7 625 mount_fix_timeouts(m);
e537352b
LP		 626 }
627
8d567588 628 return mount_verify(m);
e537352b
LP		 629}
630
a16e1123
LP		 631static int mount_notify_automount(Mount *m, int status) {
632 Unit *p;
633 int r;
57020a3a 634 Iterator i;
a16e1123
LP		 635
636 assert(m);
637
57020a3a
LP		 638 SET_FOREACH(p, m->meta.dependencies[UNIT_TRIGGERED_BY], i)
639 if (p->meta.type == UNIT_AUTOMOUNT) {
640 r = automount_send_ready(AUTOMOUNT(p), status);
641 if (r < 0)
642 return r;
643 }
a16e1123 644
57020a3a 645 return 0;
a16e1123
LP		 646}
647
e537352b
LP		 648static void mount_set_state(Mount *m, MountState state) {
649 MountState old_state;
650 assert(m);
651
652 old_state = m->state;
653 m->state = state;
654
655 if (state != MOUNT_MOUNTING &&
656 state != MOUNT_MOUNTING_DONE &&
657 state != MOUNT_REMOUNTING &&
658 state != MOUNT_UNMOUNTING &&
659 state != MOUNT_MOUNTING_SIGTERM &&
660 state != MOUNT_MOUNTING_SIGKILL &&
661 state != MOUNT_UNMOUNTING_SIGTERM &&
662 state != MOUNT_UNMOUNTING_SIGKILL &&
663 state != MOUNT_REMOUNTING_SIGTERM &&
664 state != MOUNT_REMOUNTING_SIGKILL) {
665 unit_unwatch_timer(UNIT(m), &m->timer_watch);
a16e1123 666 mount_unwatch_control_pid(m);
e537352b 667 m->control_command = NULL;
a16e1123 668 m->control_command_id = _MOUNT_EXEC_COMMAND_INVALID;
e537352b
LP		 669 }
670
8d567588
LP		 671 if (state == MOUNT_MOUNTED ||
672 state == MOUNT_REMOUNTING)
673 mount_notify_automount(m, 0);
674 else if (state == MOUNT_DEAD ||
675 state == MOUNT_UNMOUNTING ||
676 state == MOUNT_MOUNTING_SIGTERM ||
677 state == MOUNT_MOUNTING_SIGKILL ||
678 state == MOUNT_REMOUNTING_SIGTERM ||
679 state == MOUNT_REMOUNTING_SIGKILL ||
680 state == MOUNT_UNMOUNTING_SIGTERM ||
681 state == MOUNT_UNMOUNTING_SIGKILL ||
fdf20a31 682 state == MOUNT_FAILED)
8d567588
LP		 683 mount_notify_automount(m, -ENODEV);
684
e537352b 685 if (state != old_state)
40d50879 686 log_debug("%s changed %s -> %s",
4cd1fbcc 687 m->meta.id,
a16e1123
LP		 688 mount_state_to_string(old_state),
689 mount_state_to_string(state));
e537352b 690
e2f3b44c
LP		 691 unit_notify(UNIT(m), state_translation_table[old_state], state_translation_table[state], !m->reload_failure);
692 m->reload_failure = false;
e537352b
LP		 693}
694
695static int mount_coldplug(Unit *u) {
696 Mount *m = MOUNT(u);
a16e1123
LP		 697 MountState new_state = MOUNT_DEAD;
698 int r;
e537352b
LP		 699
700 assert(m);
701 assert(m->state == MOUNT_DEAD);
702
a16e1123
LP		 703 if (m->deserialized_state != m->state)
704 new_state = m->deserialized_state;
705 else if (m->from_proc_self_mountinfo)
706 new_state = MOUNT_MOUNTED;
e537352b 707
a16e1123 708 if (new_state != m->state) {
e537352b 709
a16e1123
LP		 710 if (new_state == MOUNT_MOUNTING ||
711 new_state == MOUNT_MOUNTING_DONE ||
712 new_state == MOUNT_REMOUNTING ||
713 new_state == MOUNT_UNMOUNTING ||
714 new_state == MOUNT_MOUNTING_SIGTERM ||
715 new_state == MOUNT_MOUNTING_SIGKILL ||
716 new_state == MOUNT_UNMOUNTING_SIGTERM ||
717 new_state == MOUNT_UNMOUNTING_SIGKILL ||
718 new_state == MOUNT_REMOUNTING_SIGTERM ||
719 new_state == MOUNT_REMOUNTING_SIGKILL) {
e537352b 720
a16e1123
LP		 721 if (m->control_pid <= 0)
722 return -EBADMSG;
e537352b 723
a16e1123
LP		 724 if ((r = unit_watch_pid(UNIT(m), m->control_pid)) < 0)
725 return r;
e537352b 726
a16e1123
LP		 727 if ((r = unit_watch_timer(UNIT(m), m->timeout_usec, &m->timer_watch)) < 0)
728 return r;
729 }
e537352b 730
a16e1123
LP		 731 mount_set_state(m, new_state);
732 }
e537352b
LP		 733
734 return 0;
e537352b
LP		 735}
736
737static void mount_dump(Unit *u, FILE *f, const char *prefix) {
738 Mount *m = MOUNT(u);
739 MountParameters *p;
740
741 assert(m);
742 assert(f);
743
cb39ed3f 744 p = get_mount_parameters(m);
e537352b
LP		 745
746 fprintf(f,
747 "%sMount State: %s\n"
748 "%sWhere: %s\n"
749 "%sWhat: %s\n"
750 "%sFile System Type: %s\n"
751 "%sOptions: %s\n"
752 "%sFrom /etc/fstab: %s\n"
753 "%sFrom /proc/self/mountinfo: %s\n"
754 "%sFrom fragment: %s\n"
3e5235b0 755 "%sDirectoryMode: %04o\n",
a16e1123 756 prefix, mount_state_to_string(m->state),
e537352b
LP		 757 prefix, m->where,
758 prefix, strna(p->what),
759 prefix, strna(p->fstype),
760 prefix, strna(p->options),
761 prefix, yes_no(m->from_etc_fstab),
762 prefix, yes_no(m->from_proc_self_mountinfo),
763 prefix, yes_no(m->from_fragment),
3e5235b0 764 prefix, m->directory_mode);
e537352b
LP		 765
766 if (m->control_pid > 0)
767 fprintf(f,
bb00e604
LP		 768 "%sControl PID: %lu\n",
769 prefix, (unsigned long) m->control_pid);
e537352b
LP		 770
771 exec_context_dump(&m->exec_context, f, prefix);
772}
773
a16e1123
LP		 774static int mount_spawn(Mount *m, ExecCommand *c, pid_t *_pid) {
775 pid_t pid;
776 int r;
777
778 assert(m);
779 assert(c);
780 assert(_pid);
781
782 if ((r = unit_watch_timer(UNIT(m), m->timeout_usec, &m->timer_watch)) < 0)
783 goto fail;
784
785 if ((r = exec_spawn(c,
786 NULL,
787 &m->exec_context,
788 NULL, 0,
1137a57c 789 m->meta.manager->environment,
a16e1123
LP		 790 true,
791 true,
1e3ad081 792 true,
c3686083 793 m->meta.manager->confirm_spawn,
4cd1fbcc 794 m->meta.cgroup_bondings,
ab1f0633 795 m->meta.cgroup_attributes,
a16e1123
LP		 796 &pid)) < 0)
797 goto fail;
798
799 if ((r = unit_watch_pid(UNIT(m), pid)) < 0)
800 /* FIXME: we need to do something here */
801 goto fail;
802
803 *_pid = pid;
804
805 return 0;
806
807fail:
808 unit_unwatch_timer(UNIT(m), &m->timer_watch);
809
810 return r;
811}
812
e537352b
LP		 813static void mount_enter_dead(Mount *m, bool success) {
814 assert(m);
815
816 if (!success)
817 m->failure = true;
818
fdf20a31 819 mount_set_state(m, m->failure ? MOUNT_FAILED : MOUNT_DEAD);
e537352b
LP		 820}
821
80876c20
LP		 822static void mount_enter_mounted(Mount *m, bool success) {
823 assert(m);
824
825 if (!success)
826 m->failure = true;
827
828 mount_set_state(m, MOUNT_MOUNTED);
829}
830
e537352b
LP		 831static void mount_enter_signal(Mount *m, MountState state, bool success) {
832 int r;
ca949c9d
LP		 833 Set *pid_set = NULL;
834 bool wait_for_exit = false;
e537352b
LP		 835
836 assert(m);
837
838 if (!success)
839 m->failure = true;
840
2e22afe9 841 if (m->exec_context.kill_mode != KILL_NONE) {
80876c20
LP		 842 int sig = (state == MOUNT_MOUNTING_SIGTERM ||
843 state == MOUNT_UNMOUNTING_SIGTERM ||
2e22afe9 844 state == MOUNT_REMOUNTING_SIGTERM) ? m->exec_context.kill_signal : SIGKILL;
e537352b 845
ca949c9d 846 if (m->control_pid > 0) {
cd25cce9 847 if (kill_and_sigcont(m->control_pid, sig) < 0 && errno != ESRCH)
e537352b 848
ca949c9d
LP		 849 log_warning("Failed to kill control process %li: %m", (long) m->control_pid);
850 else
851 wait_for_exit = true;
e537352b
LP		 852 }
853
ca949c9d 854 if (m->exec_context.kill_mode == KILL_CONTROL_GROUP) {
2e22afe9 855
ca949c9d
LP		 856 if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) {
857 r = -ENOMEM;
e537352b
LP		 858 goto fail;
859 }
ca949c9d
LP		 860
861 /* Exclude the control pid from being killed via the cgroup */
862 if (m->control_pid > 0)
863 if ((r = set_put(pid_set, LONG_TO_PTR(m->control_pid))) < 0)
864 goto fail;
865
430c18ed 866 if ((r = cgroup_bonding_kill_list(m->meta.cgroup_bondings, sig, true, pid_set)) < 0) {
ca949c9d
LP		 867 if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
868 log_warning("Failed to kill control group: %s", strerror(-r));
869 } else if (r > 0)
870 wait_for_exit = true;
871
872 set_free(pid_set);
da19d5c1 873 pid_set = NULL;
ca949c9d 874 }
e537352b
LP		 875 }
876
ca949c9d 877 if (wait_for_exit) {
80876c20
LP		 878 if ((r = unit_watch_timer(UNIT(m), m->timeout_usec, &m->timer_watch)) < 0)
879 goto fail;
e537352b 880
80876c20
LP		 881 mount_set_state(m, state);
882 } else if (state == MOUNT_REMOUNTING_SIGTERM || state == MOUNT_REMOUNTING_SIGKILL)
883 mount_enter_mounted(m, true);
884 else
e537352b
LP		 885 mount_enter_dead(m, true);
886
887 return;
888
889fail:
4cd1fbcc 890 log_warning("%s failed to kill processes: %s", m->meta.id, strerror(-r));
e537352b 891
80876c20
LP		 892 if (state == MOUNT_REMOUNTING_SIGTERM || state == MOUNT_REMOUNTING_SIGKILL)
893 mount_enter_mounted(m, false);
894 else
895 mount_enter_dead(m, false);
ca949c9d
LP		 896
897 if (pid_set)
898 set_free(pid_set);
e537352b
LP		 899}
900
901static void mount_enter_unmounting(Mount *m, bool success) {
e537352b
LP		 902 int r;
903
904 assert(m);
905
906 if (!success)
907 m->failure = true;
908
a16e1123
LP		 909 m->control_command_id = MOUNT_EXEC_UNMOUNT;
910 m->control_command = m->exec_command + MOUNT_EXEC_UNMOUNT;
e537352b
LP		 911
912 if ((r = exec_command_set(
a16e1123 913 m->control_command,
e537352b
LP		 914 "/bin/umount",
915 m->where,
916 NULL)) < 0)
917 goto fail;
918
a16e1123 919 mount_unwatch_control_pid(m);
5e94833f 920
a16e1123 921 if ((r = mount_spawn(m, m->control_command, &m->control_pid)) < 0)
e537352b
LP		 922 goto fail;
923
924 mount_set_state(m, MOUNT_UNMOUNTING);
925
926 return;
927
928fail:
4cd1fbcc 929 log_warning("%s failed to run 'umount' task: %s", m->meta.id, strerror(-r));
e537352b
LP		 930 mount_enter_mounted(m, false);
931}
932
8d567588 933static void mount_enter_mounting(Mount *m) {
e537352b 934 int r;
cb39ed3f 935 MountParameters *p;
e537352b
LP		 936
937 assert(m);
938
a16e1123
LP		 939 m->control_command_id = MOUNT_EXEC_MOUNT;
940 m->control_command = m->exec_command + MOUNT_EXEC_MOUNT;
e537352b 941
3e5235b0
LP		 942 mkdir_p(m->where, m->directory_mode);
943
cb39ed3f
LP		 944 /* Create the source directory for bind-mounts if needed */
945 p = get_mount_parameters_configured(m);
946 if (p && mount_is_bind(p))
947 mkdir_p(p->what, m->directory_mode);
2b583ce6 948
e537352b
LP		 949 if (m->from_fragment)
950 r = exec_command_set(
a16e1123 951 m->control_command,
e537352b
LP		 952 "/bin/mount",
953 m->parameters_fragment.what,
954 m->where,
40b8a332 955 "-t", m->parameters_fragment.fstype ? m->parameters_fragment.fstype : "auto",
8d567588 956 m->parameters_fragment.options ? "-o" : NULL, m->parameters_fragment.options,
e537352b
LP		 957 NULL);
958 else if (m->from_etc_fstab)
959 r = exec_command_set(
a16e1123 960 m->control_command,
e537352b
LP		 961 "/bin/mount",
962 m->where,
963 NULL);
964 else
965 r = -ENOENT;
966
967 if (r < 0)
968 goto fail;
969
a16e1123 970 mount_unwatch_control_pid(m);
5e94833f 971
a16e1123 972 if ((r = mount_spawn(m, m->control_command, &m->control_pid)) < 0)
e537352b
LP		 973 goto fail;
974
975 mount_set_state(m, MOUNT_MOUNTING);
976
977 return;
978
979fail:
4cd1fbcc 980 log_warning("%s failed to run 'mount' task: %s", m->meta.id, strerror(-r));
e537352b
LP		 981 mount_enter_dead(m, false);
982}
983
8d567588 984static void mount_enter_mounting_done(Mount *m) {
e537352b
LP		 985 assert(m);
986
e537352b
LP		 987 mount_set_state(m, MOUNT_MOUNTING_DONE);
988}
989
990static void mount_enter_remounting(Mount *m, bool success) {
e537352b
LP		 991 int r;
992
993 assert(m);
994
995 if (!success)
996 m->failure = true;
997
a16e1123
LP		 998 m->control_command_id = MOUNT_EXEC_REMOUNT;
999 m->control_command = m->exec_command + MOUNT_EXEC_REMOUNT;
e537352b
LP		 1000
1001 if (m->from_fragment) {
1002 char *buf = NULL;
1003 const char *o;
1004
1005 if (m->parameters_fragment.options) {
1006 if (!(buf = strappend("remount,", m->parameters_fragment.options))) {
1007 r = -ENOMEM;
1008 goto fail;
1009 }
1010
1011 o = buf;
1012 } else
1013 o = "remount";
1014
1015 r = exec_command_set(
a16e1123 1016 m->control_command,
e537352b
LP		 1017 "/bin/mount",
1018 m->parameters_fragment.what,
1019 m->where,
40b8a332 1020 "-t", m->parameters_fragment.fstype ? m->parameters_fragment.fstype : "auto",
e537352b
LP		 1021 "-o", o,
1022 NULL);
1023
1024 free(buf);
1025 } else if (m->from_etc_fstab)
1026 r = exec_command_set(
a16e1123 1027 m->control_command,
e537352b
LP		 1028 "/bin/mount",
1029 m->where,
1030 "-o", "remount",
1031 NULL);
1032 else
1033 r = -ENOENT;
1034
60b912f6 1035 if (r < 0)
e537352b 1036 goto fail;
e537352b 1037
a16e1123 1038 mount_unwatch_control_pid(m);
5e94833f 1039
a16e1123 1040 if ((r = mount_spawn(m, m->control_command, &m->control_pid)) < 0)
e537352b
LP		 1041 goto fail;
1042
1043 mount_set_state(m, MOUNT_REMOUNTING);
1044
1045 return;
1046
1047fail:
e364ad06 1048 log_warning("%s failed to run 'remount' task: %s", m->meta.id, strerror(-r));
e2f3b44c
LP		 1049 m->reload_failure = true;
1050 mount_enter_mounted(m, true);
e537352b
LP		 1051}
1052
1053static int mount_start(Unit *u) {
1054 Mount *m = MOUNT(u);
1055
1056 assert(m);
1057
1058 /* We cannot fulfill this request right now, try again later
1059 * please! */
1060 if (m->state == MOUNT_UNMOUNTING ||
1061 m->state == MOUNT_UNMOUNTING_SIGTERM ||
60b912f6
LP		 1062 m->state == MOUNT_UNMOUNTING_SIGKILL ||
1063 m->state == MOUNT_MOUNTING_SIGTERM ||
1064 m->state == MOUNT_MOUNTING_SIGKILL)
e537352b
LP		 1065 return -EAGAIN;
1066
1067 /* Already on it! */
60b912f6 1068 if (m->state == MOUNT_MOUNTING)
e537352b
LP		 1069 return 0;
1070
fdf20a31 1071 assert(m->state == MOUNT_DEAD || m->state == MOUNT_FAILED);
e537352b
LP		 1072
1073 m->failure = false;
8d567588 1074 mount_enter_mounting(m);
e537352b
LP		 1075 return 0;
1076}
1077
1078static int mount_stop(Unit *u) {
1079 Mount *m = MOUNT(u);
1080
1081 assert(m);
1082
e537352b
LP		 1083 /* Already on it */
1084 if (m->state == MOUNT_UNMOUNTING ||
1085 m->state == MOUNT_UNMOUNTING_SIGKILL ||
60b912f6
LP		 1086 m->state == MOUNT_UNMOUNTING_SIGTERM ||
1087 m->state == MOUNT_MOUNTING_SIGTERM ||
1088 m->state == MOUNT_MOUNTING_SIGKILL)
e537352b
LP		 1089 return 0;
1090
3f6c78dc
LP		 1091 assert(m->state == MOUNT_MOUNTING ||
1092 m->state == MOUNT_MOUNTING_DONE ||
1093 m->state == MOUNT_MOUNTED ||
3f6c78dc
LP		 1094 m->state == MOUNT_REMOUNTING ||
1095 m->state == MOUNT_REMOUNTING_SIGTERM ||
1096 m->state == MOUNT_REMOUNTING_SIGKILL);
e537352b
LP		 1097
1098 mount_enter_unmounting(m, true);
1099 return 0;
1100}
1101
1102static int mount_reload(Unit *u) {
1103 Mount *m = MOUNT(u);
1104
1105 assert(m);
1106
1107 if (m->state == MOUNT_MOUNTING_DONE)
1108 return -EAGAIN;
1109
1110 assert(m->state == MOUNT_MOUNTED);
1111
1112 mount_enter_remounting(m, true);
1113 return 0;
1114}
1115
a16e1123
LP		 1116static int mount_serialize(Unit *u, FILE *f, FDSet *fds) {
1117 Mount *m = MOUNT(u);
1118
1119 assert(m);
1120 assert(f);
1121 assert(fds);
1122
1123 unit_serialize_item(u, f, "state", mount_state_to_string(m->state));
1124 unit_serialize_item(u, f, "failure", yes_no(m->failure));
1125
1126 if (m->control_pid > 0)
5925dd3c 1127 unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) m->control_pid);
a16e1123
LP		 1128
1129 if (m->control_command_id >= 0)
1130 unit_serialize_item(u, f, "control-command", mount_exec_command_to_string(m->control_command_id));
1131
1132 return 0;
1133}
1134
1135static int mount_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) {
1136 Mount *m = MOUNT(u);
a16e1123
LP		 1137
1138 assert(u);
1139 assert(key);
1140 assert(value);
1141 assert(fds);
1142
1143 if (streq(key, "state")) {
1144 MountState state;
1145
1146 if ((state = mount_state_from_string(value)) < 0)
1147 log_debug("Failed to parse state value %s", value);
1148 else
1149 m->deserialized_state = state;
1150 } else if (streq(key, "failure")) {
1151 int b;
1152
1153 if ((b = parse_boolean(value)) < 0)
1154 log_debug("Failed to parse failure value %s", value);
1155 else
1156 m->failure = b || m->failure;
1157
1158 } else if (streq(key, "control-pid")) {
5925dd3c 1159 pid_t pid;
a16e1123 1160
e364ad06 1161 if (parse_pid(value, &pid) < 0)
a16e1123
LP		 1162 log_debug("Failed to parse control-pid value %s", value);
1163 else
5925dd3c 1164 m->control_pid = pid;
a16e1123
LP		 1165 } else if (streq(key, "control-command")) {
1166 MountExecCommand id;
1167
1168 if ((id = mount_exec_command_from_string(value)) < 0)
1169 log_debug("Failed to parse exec-command value %s", value);
1170 else {
1171 m->control_command_id = id;
1172 m->control_command = m->exec_command + id;
1173 }
1174
1175 } else
1176 log_debug("Unknown serialization key '%s'", key);
1177
1178 return 0;
1179}
1180
e537352b
LP		 1181static UnitActiveState mount_active_state(Unit *u) {
1182 assert(u);
1183
1184 return state_translation_table[MOUNT(u)->state];
1185}
1186
10a94420
LP		 1187static const char *mount_sub_state_to_string(Unit *u) {
1188 assert(u);
1189
a16e1123 1190 return mount_state_to_string(MOUNT(u)->state);
10a94420
LP		 1191}
1192
701cc384
LP		 1193static bool mount_check_gc(Unit *u) {
1194 Mount *m = MOUNT(u);
1195
1196 assert(m);
1197
1198 return m->from_etc_fstab || m->from_proc_self_mountinfo;
1199}
1200
e537352b
LP		 1201static void mount_sigchld_event(Unit *u, pid_t pid, int code, int status) {
1202 Mount *m = MOUNT(u);
1203 bool success;
1204
1205 assert(m);
1206 assert(pid >= 0);
1207
8c47c732
LP		 1208 if (pid != m->control_pid)
1209 return;
e537352b 1210
e537352b
LP		 1211 m->control_pid = 0;
1212
8c47c732
LP		 1213 success = is_clean_exit(code, status);
1214 m->failure = m->failure || !success;
1215
a16e1123 1216 if (m->control_command) {
6ea832a2 1217 exec_status_exit(&m->control_command->exec_status, &m->exec_context, pid, code, status);
a16e1123
LP		 1218 m->control_command = NULL;
1219 m->control_command_id = _MOUNT_EXEC_COMMAND_INVALID;
1220 }
1221
92abbefb
LP		 1222 log_full(success ? LOG_DEBUG : LOG_NOTICE,
1223 "%s mount process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status);
e537352b
LP		 1224
1225 /* Note that mount(8) returning and the kernel sending us a
1226 * mount table change event might happen out-of-order. If an
1227 * operation succeed we assume the kernel will follow soon too
1228 * and already change into the resulting state. If it fails
1229 * we check if the kernel still knows about the mount. and
1230 * change state accordingly. */
1231
1232 switch (m->state) {
1233
1234 case MOUNT_MOUNTING:
1235 case MOUNT_MOUNTING_DONE:
1236 case MOUNT_MOUNTING_SIGKILL:
1237 case MOUNT_MOUNTING_SIGTERM:
e537352b 1238
19b160fa 1239 if (success)
e537352b
LP		 1240 mount_enter_mounted(m, true);
1241 else if (m->from_proc_self_mountinfo)
1242 mount_enter_mounted(m, false);
1243 else
1244 mount_enter_dead(m, false);
1245 break;
1246
e2f3b44c
LP		 1247 case MOUNT_REMOUNTING:
1248 case MOUNT_REMOUNTING_SIGKILL:
1249 case MOUNT_REMOUNTING_SIGTERM:
1250
1251 m->reload_failure = !success;
1252 if (m->from_proc_self_mountinfo)
1253 mount_enter_mounted(m, true);
1254 else
1255 mount_enter_dead(m, true);
1256
1257 break;
1258
e537352b
LP		 1259 case MOUNT_UNMOUNTING:
1260 case MOUNT_UNMOUNTING_SIGKILL:
1261 case MOUNT_UNMOUNTING_SIGTERM:
1262
1263 if (success)
1264 mount_enter_dead(m, true);
1265 else if (m->from_proc_self_mountinfo)
1266 mount_enter_mounted(m, false);
1267 else
1268 mount_enter_dead(m, false);
1269 break;
1270
1271 default:
1272 assert_not_reached("Uh, control process died at wrong time.");
1273 }
c4e2ceae
LP		 1274
1275 /* Notify clients about changed exit status */
1276 unit_add_to_dbus_queue(u);
e537352b
LP		 1277}
1278
1279static void mount_timer_event(Unit *u, uint64_t elapsed, Watch *w) {
1280 Mount *m = MOUNT(u);
1281
1282 assert(m);
1283 assert(elapsed == 1);
1284 assert(w == &m->timer_watch);
1285
1286 switch (m->state) {
1287
1288 case MOUNT_MOUNTING:
1289 case MOUNT_MOUNTING_DONE:
9e2f7c11 1290 log_warning("%s mounting timed out. Stopping.", u->meta.id);
e537352b
LP		 1291 mount_enter_signal(m, MOUNT_MOUNTING_SIGTERM, false);
1292 break;
1293
1294 case MOUNT_REMOUNTING:
9e2f7c11 1295 log_warning("%s remounting timed out. Stopping.", u->meta.id);
e2f3b44c
LP		 1296 m->reload_failure = true;
1297 mount_enter_mounted(m, true);
e537352b
LP		 1298 break;
1299
1300 case MOUNT_UNMOUNTING:
9e2f7c11 1301 log_warning("%s unmounting timed out. Stopping.", u->meta.id);
e537352b
LP		 1302 mount_enter_signal(m, MOUNT_UNMOUNTING_SIGTERM, false);
1303 break;
1304
1305 case MOUNT_MOUNTING_SIGTERM:
ba035df2
LP		 1306 if (m->exec_context.send_sigkill) {
1307 log_warning("%s mounting timed out. Killing.", u->meta.id);
1308 mount_enter_signal(m, MOUNT_MOUNTING_SIGKILL, false);
1309 } else {
1310 log_warning("%s mounting timed out. Skipping SIGKILL. Ignoring.", u->meta.id);
1311
1312 if (m->from_proc_self_mountinfo)
1313 mount_enter_mounted(m, false);
1314 else
1315 mount_enter_dead(m, false);
1316 }
e537352b
LP		 1317 break;
1318
1319 case MOUNT_REMOUNTING_SIGTERM:
ba035df2
LP		 1320 if (m->exec_context.send_sigkill) {
1321 log_warning("%s remounting timed out. Killing.", u->meta.id);
1322 mount_enter_signal(m, MOUNT_REMOUNTING_SIGKILL, false);
1323 } else {
1324 log_warning("%s remounting timed out. Skipping SIGKILL. Ignoring.", u->meta.id);
1325
1326 if (m->from_proc_self_mountinfo)
1327 mount_enter_mounted(m, false);
1328 else
1329 mount_enter_dead(m, false);
1330 }
e537352b
LP		 1331 break;
1332
1333 case MOUNT_UNMOUNTING_SIGTERM:
ba035df2
LP		 1334 if (m->exec_context.send_sigkill) {
1335 log_warning("%s unmounting timed out. Killing.", u->meta.id);
1336 mount_enter_signal(m, MOUNT_UNMOUNTING_SIGKILL, false);
1337 } else {
1338 log_warning("%s unmounting timed out. Skipping SIGKILL. Ignoring.", u->meta.id);
1339
1340 if (m->from_proc_self_mountinfo)
1341 mount_enter_mounted(m, false);
1342 else
1343 mount_enter_dead(m, false);
1344 }
e537352b
LP		 1345 break;
1346
1347 case MOUNT_MOUNTING_SIGKILL:
1348 case MOUNT_REMOUNTING_SIGKILL:
1349 case MOUNT_UNMOUNTING_SIGKILL:
9e2f7c11 1350 log_warning("%s mount process still around after SIGKILL. Ignoring.", u->meta.id);
e537352b
LP		 1351
1352 if (m->from_proc_self_mountinfo)
1353 mount_enter_mounted(m, false);
1354 else
1355 mount_enter_dead(m, false);
1356 break;
1357
1358 default:
1359 assert_not_reached("Timeout at wrong time.");
1360 }
1361}
1362
1363static int mount_add_one(
1364 Manager *m,
1365 const char *what,
1366 const char *where,
1367 const char *options,
1368 const char *fstype,
9fff8a1f 1369 int passno,
e537352b
LP		 1370 bool from_proc_self_mountinfo,
1371 bool set_flags) {
b08d03ff
LP		 1372 int r;
1373 Unit *u;
1374 bool delete;
e537352b 1375 char *e, *w = NULL, *o = NULL, *f = NULL;
4e85aff4 1376 MountParameters *p;
b08d03ff 1377
f50e0a01 1378 assert(m);
b08d03ff
LP		 1379 assert(what);
1380 assert(where);
e537352b
LP		 1381 assert(options);
1382 assert(fstype);
1383
1384 assert(!set_flags || from_proc_self_mountinfo);
1385
1386 /* Ignore API mount points. They should never be referenced in
1387 * dependencies ever. */
33ff02c9 1388 if (mount_point_is_api(where) || mount_point_ignore(where))
57f2a956 1389 return 0;
b08d03ff 1390
8d567588
LP		 1391 if (streq(fstype, "autofs"))
1392 return 0;
1393
4e85aff4
LP		 1394 /* probably some kind of swap, ignore */
1395 if (!is_path(where))
b08d03ff
LP		 1396 return 0;
1397
7d17cfbc
MS		 1398 e = unit_name_from_path(where, ".mount");
1399 if (!e)
b08d03ff
LP		 1400 return -ENOMEM;
1401
7d17cfbc
MS		 1402 u = manager_get_unit(m, e);
1403 if (!u) {
b08d03ff
LP		 1404 delete = true;
1405
7d17cfbc
MS		 1406 u = unit_new(m, sizeof(Mount));
1407 if (!u) {
b08d03ff
LP		 1408 free(e);
1409 return -ENOMEM;
1410 }
1411
1412 r = unit_add_name(u, e);
1413 free(e);
1414
1415 if (r < 0)
1416 goto fail;
1417
7d17cfbc
MS		 1418 MOUNT(u)->where = strdup(where);
1419 if (!MOUNT(u)->where) {
07b0b134
ML		 1420 r = -ENOMEM;
1421 goto fail;
1422 }
f50e0a01 1423
f94ea366 1424 unit_add_to_load_queue(u);
b08d03ff
LP		 1425 } else {
1426 delete = false;
1427 free(e);
1428 }
1429
e537352b
LP		 1430 if (!(w = strdup(what)) ||
1431 !(o = strdup(options)) ||
1432 !(f = strdup(fstype))) {
1433 r = -ENOMEM;
1434 goto fail;
1435 }
1436
1437 if (from_proc_self_mountinfo) {
4e85aff4 1438 p = &MOUNT(u)->parameters_proc_self_mountinfo;
e537352b
LP		 1439
1440 if (set_flags) {
1441 MOUNT(u)->is_mounted = true;
1442 MOUNT(u)->just_mounted = !MOUNT(u)->from_proc_self_mountinfo;
4e85aff4 1443 MOUNT(u)->just_changed = !streq_ptr(p->options, o);
e537352b 1444 }
ef734fd6 1445
f50e0a01 1446 MOUNT(u)->from_proc_self_mountinfo = true;
ef734fd6 1447 } else {
4e85aff4 1448 p = &MOUNT(u)->parameters_etc_fstab;
f50e0a01 1449 MOUNT(u)->from_etc_fstab = true;
ef734fd6 1450 }
f50e0a01 1451
4e85aff4
LP		 1452 free(p->what);
1453 p->what = w;
b08d03ff 1454
4e85aff4
LP		 1455 free(p->options);
1456 p->options = o;
e537352b 1457
4e85aff4
LP		 1458 free(p->fstype);
1459 p->fstype = f;
b08d03ff 1460
9fff8a1f
LP		 1461 p->passno = passno;
1462
c1e1601e
LP		 1463 unit_add_to_dbus_queue(u);
1464
b08d03ff
LP		 1465 return 0;
1466
1467fail:
e537352b
LP		 1468 free(w);
1469 free(o);
1470 free(f);
1471
b08d03ff
LP		 1472 if (delete && u)
1473 unit_free(u);
1474
4e85aff4 1475 return r;
b08d03ff
LP		 1476}
1477
07b0b134
ML		 1478static int mount_find_pri(char *options) {
1479 char *end, *pri;
1480 unsigned long r;
1481
3a34ae3a 1482 if (!(pri = mount_test_option(options, "pri")))
07b0b134
ML		 1483 return 0;
1484
1485 pri += 4;
1486
1487 errno = 0;
1488 r = strtoul(pri, &end, 10);
1489
1490 if (errno != 0)
1491 return -errno;
1492
1493 if (end == pri || (*end != ',' && *end != 0))
1494 return -EINVAL;
1495
1496 return (int) r;
1497}
1498
e537352b 1499static int mount_load_etc_fstab(Manager *m) {
b08d03ff 1500 FILE *f;
60b912f6 1501 int r = 0;
b08d03ff
LP		 1502 struct mntent* me;
1503
1504 assert(m);
1505
1506 errno = 0;
1507 if (!(f = setmntent("/etc/fstab", "r")))
1508 return -errno;
1509
1510 while ((me = getmntent(f))) {
1511 char *where, *what;
60b912f6 1512 int k;
b08d03ff
LP		 1513
1514 if (!(what = fstab_node_to_udev_node(me->mnt_fsname))) {
1515 r = -ENOMEM;
1516 goto finish;
1517 }
1518
1519 if (!(where = strdup(me->mnt_dir))) {
1520 free(what);
1521 r = -ENOMEM;
1522 goto finish;
1523 }
1524
1525 if (what[0] == '/')
1526 path_kill_slashes(what);
1527
1528 if (where[0] == '/')
1529 path_kill_slashes(where);
1530
07b0b134
ML		 1531 if (streq(me->mnt_type, "swap")) {
1532 int pri;
1533
1534 if ((pri = mount_find_pri(me->mnt_opts)) < 0)
60b912f6 1535 k = pri;
07b0b134 1536 else
60b912f6 1537 k = swap_add_one(m,
07b0b134 1538 what,
60b912f6 1539 NULL,
07b0b134 1540 pri,
155da457 1541 !!mount_test_option(me->mnt_opts, "noauto"),
173a8d04 1542 !!mount_test_option(me->mnt_opts, "nofail"),
4e85aff4 1543 !!mount_test_option(me->mnt_opts, "comment=systemd.swapon"),
07b0b134
ML		 1544 false);
1545 } else
9fff8a1f 1546 k = mount_add_one(m, what, where, me->mnt_opts, me->mnt_type, me->mnt_passno, false, false);
07b0b134 1547
b08d03ff
LP		 1548 free(what);
1549 free(where);
1550
1551 if (r < 0)
60b912f6 1552 r = k;
b08d03ff
LP		 1553 }
1554
b08d03ff
LP		 1555finish:
1556
1557 endmntent(f);
1558 return r;
1559}
1560
ef734fd6 1561static int mount_load_proc_self_mountinfo(Manager *m, bool set_flags) {
60b912f6 1562 int r = 0;
1ddff895 1563 unsigned i;
a2e0f3d3 1564 char *device, *path, *options, *options2, *fstype, *d, *p, *o;
b08d03ff
LP		 1565
1566 assert(m);
1567
ef734fd6 1568 rewind(m->proc_self_mountinfo);
b08d03ff 1569
1ddff895 1570 for (i = 1;; i++) {
b08d03ff 1571 int k;
e537352b 1572
a2e0f3d3 1573 device = path = options = options2 = fstype = d = p = o = NULL;
b08d03ff 1574
ef734fd6 1575 if ((k = fscanf(m->proc_self_mountinfo,
b08d03ff
LP		 1576 "%*s " /* (1) mount id */
1577 "%*s " /* (2) parent id */
1578 "%*s " /* (3) major:minor */
1579 "%*s " /* (4) root */
1580 "%ms " /* (5) mount point */
e537352b 1581 "%ms" /* (6) mount options */
b08d03ff 1582 "%*[^-]" /* (7) optional fields */
c899f8c6 1583 "- " /* (8) separator */
e537352b 1584 "%ms " /* (9) file system type */
ef734fd6 1585 "%ms" /* (10) mount source */
a2e0f3d3 1586 "%ms" /* (11) mount options 2 */
ef734fd6 1587 "%*[^\n]", /* some rubbish at the end */
b08d03ff 1588 &path,
e537352b
LP		 1589 &options,
1590 &fstype,
a2e0f3d3
LP		 1591 &device,
1592 &options2)) != 5) {
b08d03ff 1593
ef734fd6
LP		 1594 if (k == EOF)
1595 break;
b08d03ff 1596
1ddff895
FF		 1597 log_warning("Failed to parse /proc/self/mountinfo:%u.", i);
1598 goto clean_up;
b08d03ff
LP		 1599 }
1600
a2e0f3d3
LP		 1601 if (asprintf(&o, "%s,%s", options, options2) < 0) {
1602 r = -ENOMEM;
1603 goto finish;
1604 }
1605
e537352b
LP		 1606 if (!(d = cunescape(device)) ||
1607 !(p = cunescape(path))) {
1608 r = -ENOMEM;
1609 goto finish;
b08d03ff 1610 }
b08d03ff 1611
9fff8a1f 1612 if ((k = mount_add_one(m, d, p, o, fstype, 0, true, set_flags)) < 0)
60b912f6 1613 r = k;
b08d03ff 1614
1ddff895 1615clean_up:
e537352b
LP		 1616 free(device);
1617 free(path);
1618 free(options);
a2e0f3d3 1619 free(options2);
e537352b 1620 free(fstype);
b08d03ff
LP		 1621 free(d);
1622 free(p);
a2e0f3d3 1623 free(o);
b08d03ff
LP		 1624 }
1625
e537352b
LP		 1626finish:
1627 free(device);
1628 free(path);
1629 free(options);
a2e0f3d3 1630 free(options2);
e537352b
LP		 1631 free(fstype);
1632 free(d);
1633 free(p);
a2e0f3d3 1634 free(o);
e537352b
LP		 1635
1636 return r;
1637}
1638
1639static void mount_shutdown(Manager *m) {
1640 assert(m);
1641
a16e1123 1642 if (m->proc_self_mountinfo) {
e537352b 1643 fclose(m->proc_self_mountinfo);
a16e1123
LP		 1644 m->proc_self_mountinfo = NULL;
1645 }
b08d03ff
LP		 1646}
1647
1648static int mount_enumerate(Manager *m) {
1649 int r;
ef734fd6 1650 struct epoll_event ev;
b08d03ff
LP		 1651 assert(m);
1652
a16e1123
LP		 1653 if (!m->proc_self_mountinfo) {
1654 if (!(m->proc_self_mountinfo = fopen("/proc/self/mountinfo", "re")))
1655 return -errno;
ef734fd6 1656
a16e1123
LP		 1657 m->mount_watch.type = WATCH_MOUNT;
1658 m->mount_watch.fd = fileno(m->proc_self_mountinfo);
ef734fd6 1659
a16e1123 1660 zero(ev);
4e434314 1661 ev.events = EPOLLPRI;
a16e1123 1662 ev.data.ptr = &m->mount_watch;
ef734fd6 1663
a16e1123
LP		 1664 if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->mount_watch.fd, &ev) < 0)
1665 return -errno;
1666 }
ef734fd6 1667
e537352b 1668 if ((r = mount_load_etc_fstab(m)) < 0)
b08d03ff
LP		 1669 goto fail;
1670
ef734fd6 1671 if ((r = mount_load_proc_self_mountinfo(m, false)) < 0)
b08d03ff
LP		 1672 goto fail;
1673
1674 return 0;
1675
1676fail:
1677 mount_shutdown(m);
1678 return r;
5cb5a6ff
LP		 1679}
1680
ef734fd6
LP		 1681void mount_fd_event(Manager *m, int events) {
1682 Meta *meta;
1683 int r;
1684
1685 assert(m);
4e434314 1686 assert(events & EPOLLPRI);
ef734fd6
LP		 1687
1688 /* The manager calls this for every fd event happening on the
1689 * /proc/self/mountinfo file, which informs us about mounting
1690 * table changes */
1691
1692 if ((r = mount_load_proc_self_mountinfo(m, true)) < 0) {
e364ad06 1693 log_error("Failed to reread /proc/self/mountinfo: %s", strerror(-r));
e537352b
LP		 1694
1695 /* Reset flags, just in case, for later calls */
ab5c3e3f 1696 LIST_FOREACH(units_by_type, meta, m->units_by_type[UNIT_MOUNT]) {
e537352b
LP		 1697 Mount *mount = (Mount*) meta;
1698
1699 mount->is_mounted = mount->just_mounted = mount->just_changed = false;
1700 }
1701
ef734fd6
LP		 1702 return;
1703 }
1704
1705 manager_dispatch_load_queue(m);
1706
ab5c3e3f 1707 LIST_FOREACH(units_by_type, meta, m->units_by_type[UNIT_MOUNT]) {
ef734fd6
LP		 1708 Mount *mount = (Mount*) meta;
1709
e537352b
LP		 1710 if (!mount->is_mounted) {
1711 /* This has just been unmounted. */
1712
ef734fd6 1713 mount->from_proc_self_mountinfo = false;
e537352b
LP		 1714
1715 switch (mount->state) {
1716
1717 case MOUNT_MOUNTED:
1718 mount_enter_dead(mount, true);
1719 break;
1720
1721 default:
1722 mount_set_state(mount, mount->state);
1723 break;
1724
1725 }
1726
1727 } else if (mount->just_mounted || mount->just_changed) {
1728
60b912f6 1729 /* New or changed mount entry */
e537352b
LP		 1730
1731 switch (mount->state) {
1732
1733 case MOUNT_DEAD:
fdf20a31 1734 case MOUNT_FAILED:
e537352b
LP		 1735 mount_enter_mounted(mount, true);
1736 break;
1737
1738 case MOUNT_MOUNTING:
8d567588 1739 mount_enter_mounting_done(mount);
e537352b
LP		 1740 break;
1741
1742 default:
1743 /* Nothing really changed, but let's
1744 * issue an notification call
1745 * nonetheless, in case somebody is
1746 * waiting for this. (e.g. file system
1747 * ro/rw remounts.) */
1748 mount_set_state(mount, mount->state);
1749 break;
1750 }
1751 }
1752
1753 /* Reset the flags for later calls */
1754 mount->is_mounted = mount->just_mounted = mount->just_changed = false;
1755 }
1756}
1757
fdf20a31 1758static void mount_reset_failed(Unit *u) {
5632e374
LP		 1759 Mount *m = MOUNT(u);
1760
1761 assert(m);
1762
fdf20a31 1763 if (m->state == MOUNT_FAILED)
5632e374
LP		 1764 mount_set_state(m, MOUNT_DEAD);
1765
1766 m->failure = false;
1767}
1768
8a0867d6
LP		 1769static int mount_kill(Unit *u, KillWho who, KillMode mode, int signo, DBusError *error) {
1770 Mount *m = MOUNT(u);
1771 int r = 0;
1772 Set *pid_set = NULL;
1773
1774 assert(m);
1775
1776 if (who == KILL_MAIN) {
1777 dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "Mount units have no main processes");
a17204af 1778 return -ESRCH;
8a0867d6
LP		 1779 }
1780
1781 if (m->control_pid <= 0 && who == KILL_CONTROL) {
1782 dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No control process to kill");
a17204af 1783 return -ESRCH;
8a0867d6
LP		 1784 }
1785
3611581e
LP		 1786 if (who == KILL_CONTROL || who == KILL_ALL)
1787 if (m->control_pid > 0)
1788 if (kill(m->control_pid, signo) < 0)
1789 r = -errno;
8a0867d6 1790
3611581e 1791 if (who == KILL_ALL && mode == KILL_CONTROL_GROUP) {
8a0867d6
LP		 1792 int q;
1793
1794 if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func)))
1795 return -ENOMEM;
1796
1797 /* Exclude the control pid from being killed via the cgroup */
1798 if (m->control_pid > 0)
1799 if ((q = set_put(pid_set, LONG_TO_PTR(m->control_pid))) < 0) {
1800 r = q;
1801 goto finish;
1802 }
1803
430c18ed 1804 if ((q = cgroup_bonding_kill_list(m->meta.cgroup_bondings, signo, false, pid_set)) < 0)
3611581e 1805 if (q != -EAGAIN && q != -ESRCH && q != -ENOENT)
8a0867d6
LP		 1806 r = q;
1807 }
1808
1809finish:
1810 if (pid_set)
1811 set_free(pid_set);
1812
1813 return r;
1814}
1815
a16e1123
LP		 1816static const char* const mount_state_table[_MOUNT_STATE_MAX] = {
1817 [MOUNT_DEAD] = "dead",
1818 [MOUNT_MOUNTING] = "mounting",
1819 [MOUNT_MOUNTING_DONE] = "mounting-done",
1820 [MOUNT_MOUNTED] = "mounted",
1821 [MOUNT_REMOUNTING] = "remounting",
1822 [MOUNT_UNMOUNTING] = "unmounting",
1823 [MOUNT_MOUNTING_SIGTERM] = "mounting-sigterm",
1824 [MOUNT_MOUNTING_SIGKILL] = "mounting-sigkill",
1825 [MOUNT_REMOUNTING_SIGTERM] = "remounting-sigterm",
1826 [MOUNT_REMOUNTING_SIGKILL] = "remounting-sigkill",
1827 [MOUNT_UNMOUNTING_SIGTERM] = "unmounting-sigterm",
1828 [MOUNT_UNMOUNTING_SIGKILL] = "unmounting-sigkill",
fdf20a31 1829 [MOUNT_FAILED] = "failed"
a16e1123
LP		 1830};
1831
1832DEFINE_STRING_TABLE_LOOKUP(mount_state, MountState);
1833
1834static const char* const mount_exec_command_table[_MOUNT_EXEC_COMMAND_MAX] = {
1835 [MOUNT_EXEC_MOUNT] = "ExecMount",
1836 [MOUNT_EXEC_UNMOUNT] = "ExecUnmount",
1837 [MOUNT_EXEC_REMOUNT] = "ExecRemount",
1838};
1839
1840DEFINE_STRING_TABLE_LOOKUP(mount_exec_command, MountExecCommand);
1841
87f0e418 1842const UnitVTable mount_vtable = {
5cb5a6ff 1843 .suffix = ".mount",
7d17cfbc 1844 .object_size = sizeof(Mount),
f975e971
LP		 1845 .sections =
1846 "Unit\0"
1847 "Mount\0"
1848 "Install\0",
5cb5a6ff 1849
e537352b 1850 .no_alias = true,
9e2f7c11 1851 .no_instances = true,
9e58ff9c 1852 .show_status = true,
e537352b
LP		 1853
1854 .init = mount_init,
1855 .load = mount_load,
034c6ed7 1856 .done = mount_done,
e537352b 1857
f50e0a01
LP		 1858 .coldplug = mount_coldplug,
1859
034c6ed7 1860 .dump = mount_dump,
5cb5a6ff 1861
e537352b
LP		 1862 .start = mount_start,
1863 .stop = mount_stop,
1864 .reload = mount_reload,
1865
8a0867d6
LP		 1866 .kill = mount_kill,
1867
a16e1123
LP		 1868 .serialize = mount_serialize,
1869 .deserialize_item = mount_deserialize_item,
1870
f50e0a01 1871 .active_state = mount_active_state,
10a94420 1872 .sub_state_to_string = mount_sub_state_to_string,
b08d03ff 1873
701cc384
LP		 1874 .check_gc = mount_check_gc,
1875
e537352b
LP		 1876 .sigchld_event = mount_sigchld_event,
1877 .timer_event = mount_timer_event,
1878
fdf20a31 1879 .reset_failed = mount_reset_failed,
5632e374 1880
c4e2ceae 1881 .bus_interface = "org.freedesktop.systemd1.Mount",
4139c1b2 1882 .bus_message_handler = bus_mount_message_handler,
c4e2ceae 1883 .bus_invalidating_properties = bus_mount_invalidating_properties,
4139c1b2 1884
f50e0a01
LP		 1885 .enumerate = mount_enumerate,
1886 .shutdown = mount_shutdown
5cb5a6ff 1887};
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