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a7334b09 LP |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2010 Lennart Poettering | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
7 | under the terms of the GNU Lesser General Public License as published by |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
a7334b09 LP |
9 | (at your option) any later version. |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 14 | Lesser General Public License for more details. |
a7334b09 | 15 | |
5430f7f2 | 16 | You should have received a copy of the GNU Lesser General Public License |
a7334b09 LP |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
18 | ***/ | |
19 | ||
5cb5a6ff | 20 | #include <errno.h> |
4f5dd394 | 21 | #include <signal.h> |
b08d03ff | 22 | #include <stdio.h> |
ef734fd6 | 23 | #include <sys/epoll.h> |
5cb5a6ff | 24 | |
20ad4cfd | 25 | #include "sd-messages.h" |
4f5dd394 | 26 | |
b5efdb8a | 27 | #include "alloc-util.h" |
4139c1b2 | 28 | #include "dbus-mount.h" |
4f5dd394 | 29 | #include "escape.h" |
9a57c629 | 30 | #include "exit-status.h" |
6482f626 | 31 | #include "formats-util.h" |
4f5dd394 LP |
32 | #include "fstab-util.h" |
33 | #include "log.h" | |
34 | #include "manager.h" | |
35 | #include "mkdir.h" | |
36 | #include "mount-setup.h" | |
4e036b7a | 37 | #include "mount-util.h" |
4f5dd394 | 38 | #include "mount.h" |
6bedfcbb | 39 | #include "parse-util.h" |
4f5dd394 | 40 | #include "path-util.h" |
7b3e062c | 41 | #include "process-util.h" |
4f5dd394 | 42 | #include "special.h" |
8b43440b | 43 | #include "string-table.h" |
b5efdb8a | 44 | #include "string-util.h" |
4f5dd394 LP |
45 | #include "strv.h" |
46 | #include "unit-name.h" | |
47 | #include "unit.h" | |
5cb5a6ff | 48 | |
7d54a03a LP |
49 | #define RETRY_UMOUNT_MAX 32 |
50 | ||
4e920142 ZJS |
51 | DEFINE_TRIVIAL_CLEANUP_FUNC(struct libmnt_table*, mnt_free_table); |
52 | DEFINE_TRIVIAL_CLEANUP_FUNC(struct libmnt_iter*, mnt_free_iter); | |
53 | ||
f50e0a01 LP |
54 | static const UnitActiveState state_translation_table[_MOUNT_STATE_MAX] = { |
55 | [MOUNT_DEAD] = UNIT_INACTIVE, | |
56 | [MOUNT_MOUNTING] = UNIT_ACTIVATING, | |
e537352b | 57 | [MOUNT_MOUNTING_DONE] = UNIT_ACTIVE, |
f50e0a01 | 58 | [MOUNT_MOUNTED] = UNIT_ACTIVE, |
032ff4af | 59 | [MOUNT_REMOUNTING] = UNIT_RELOADING, |
f50e0a01 | 60 | [MOUNT_UNMOUNTING] = UNIT_DEACTIVATING, |
e537352b LP |
61 | [MOUNT_MOUNTING_SIGTERM] = UNIT_DEACTIVATING, |
62 | [MOUNT_MOUNTING_SIGKILL] = UNIT_DEACTIVATING, | |
032ff4af LP |
63 | [MOUNT_REMOUNTING_SIGTERM] = UNIT_RELOADING, |
64 | [MOUNT_REMOUNTING_SIGKILL] = UNIT_RELOADING, | |
e537352b LP |
65 | [MOUNT_UNMOUNTING_SIGTERM] = UNIT_DEACTIVATING, |
66 | [MOUNT_UNMOUNTING_SIGKILL] = UNIT_DEACTIVATING, | |
fdf20a31 | 67 | [MOUNT_FAILED] = UNIT_FAILED |
f50e0a01 | 68 | }; |
5cb5a6ff | 69 | |
718db961 LP |
70 | static int mount_dispatch_timer(sd_event_source *source, usec_t usec, void *userdata); |
71 | static int mount_dispatch_io(sd_event_source *source, int fd, uint32_t revents, void *userdata); | |
72 | ||
affc3d83 | 73 | static bool mount_needs_network(const char *options, const char *fstype) { |
d15d0333 | 74 | if (fstab_test_option(options, "_netdev\0")) |
fc676b00 ZJS |
75 | return true; |
76 | ||
affc3d83 | 77 | if (fstype && fstype_is_network(fstype)) |
fc676b00 ZJS |
78 | return true; |
79 | ||
80 | return false; | |
81 | } | |
82 | ||
e6a7b9f4 | 83 | static bool mount_is_network(const MountParameters *p) { |
affc3d83 CL |
84 | assert(p); |
85 | ||
86 | return mount_needs_network(p->options, p->fstype); | |
87 | } | |
88 | ||
d3bd0986 MK |
89 | static bool mount_is_loop(const MountParameters *p) { |
90 | assert(p); | |
91 | ||
92 | if (fstab_test_option(p->options, "loop\0")) | |
93 | return true; | |
94 | ||
95 | return false; | |
96 | } | |
97 | ||
e6a7b9f4 | 98 | static bool mount_is_bind(const MountParameters *p) { |
fc676b00 ZJS |
99 | assert(p); |
100 | ||
d15d0333 | 101 | if (fstab_test_option(p->options, "bind\0" "rbind\0")) |
fc676b00 ZJS |
102 | return true; |
103 | ||
d15d0333 | 104 | if (p->fstype && STR_IN_SET(p->fstype, "bind", "rbind")) |
fc676b00 ZJS |
105 | return true; |
106 | ||
107 | return false; | |
108 | } | |
109 | ||
e6a7b9f4 | 110 | static bool mount_is_auto(const MountParameters *p) { |
fc676b00 ZJS |
111 | assert(p); |
112 | ||
d15d0333 | 113 | return !fstab_test_option(p->options, "noauto\0"); |
fc676b00 ZJS |
114 | } |
115 | ||
2b14df4a FB |
116 | static bool mount_is_automount(const MountParameters *p) { |
117 | assert(p); | |
118 | ||
119 | return fstab_test_option(p->options, | |
120 | "comment=systemd.automount\0" | |
121 | "x-systemd.automount\0"); | |
122 | } | |
123 | ||
94ad3616 ZJS |
124 | static bool mount_state_active(MountState state) { |
125 | return IN_SET(state, | |
126 | MOUNT_MOUNTING, | |
127 | MOUNT_MOUNTING_DONE, | |
128 | MOUNT_REMOUNTING, | |
129 | MOUNT_UNMOUNTING, | |
130 | MOUNT_MOUNTING_SIGTERM, | |
131 | MOUNT_MOUNTING_SIGKILL, | |
132 | MOUNT_UNMOUNTING_SIGTERM, | |
133 | MOUNT_UNMOUNTING_SIGKILL, | |
134 | MOUNT_REMOUNTING_SIGTERM, | |
135 | MOUNT_REMOUNTING_SIGKILL); | |
136 | } | |
137 | ||
e6a7b9f4 | 138 | static bool needs_quota(const MountParameters *p) { |
fc676b00 ZJS |
139 | assert(p); |
140 | ||
11041c84 | 141 | /* Quotas are not enabled on network filesystems, |
340a1d23 | 142 | * but we want them, for example, on storage connected via iscsi */ |
11041c84 | 143 | if (p->fstype && fstype_is_network(p->fstype)) |
fc676b00 ZJS |
144 | return false; |
145 | ||
146 | if (mount_is_bind(p)) | |
147 | return false; | |
148 | ||
d15d0333 ZJS |
149 | return fstab_test_option(p->options, |
150 | "usrquota\0" "grpquota\0" "quota\0" "usrjquota\0" "grpjquota\0"); | |
fc676b00 ZJS |
151 | } |
152 | ||
a16e1123 LP |
153 | static void mount_init(Unit *u) { |
154 | Mount *m = MOUNT(u); | |
5cb5a6ff | 155 | |
a16e1123 | 156 | assert(u); |
ac155bb8 | 157 | assert(u->load_state == UNIT_STUB); |
a16e1123 | 158 | |
1f19a534 | 159 | m->timeout_usec = u->manager->default_timeout_start_usec; |
3e5235b0 LP |
160 | m->directory_mode = 0755; |
161 | ||
f00929ad DJL |
162 | /* We need to make sure that /usr/bin/mount is always called |
163 | * in the same process group as us, so that the autofs kernel | |
a16e1123 LP |
164 | * side doesn't send us another mount request while we are |
165 | * already trying to comply its last one. */ | |
74922904 | 166 | m->exec_context.same_pgrp = true; |
8d567588 | 167 | |
a16e1123 | 168 | m->control_command_id = _MOUNT_EXEC_COMMAND_INVALID; |
c8f4d764 | 169 | |
5bcb0f2b | 170 | u->ignore_on_isolate = true; |
8d567588 LP |
171 | } |
172 | ||
36c16a7c | 173 | static int mount_arm_timer(Mount *m, usec_t usec) { |
718db961 LP |
174 | int r; |
175 | ||
176 | assert(m); | |
177 | ||
718db961 | 178 | if (m->timer_event_source) { |
36c16a7c | 179 | r = sd_event_source_set_time(m->timer_event_source, usec); |
718db961 LP |
180 | if (r < 0) |
181 | return r; | |
182 | ||
183 | return sd_event_source_set_enabled(m->timer_event_source, SD_EVENT_ONESHOT); | |
184 | } | |
185 | ||
36c16a7c LP |
186 | if (usec == USEC_INFINITY) |
187 | return 0; | |
188 | ||
7dfbe2e3 | 189 | r = sd_event_add_time( |
6a0f1f6d LP |
190 | UNIT(m)->manager->event, |
191 | &m->timer_event_source, | |
192 | CLOCK_MONOTONIC, | |
36c16a7c | 193 | usec, 0, |
6a0f1f6d | 194 | mount_dispatch_timer, m); |
7dfbe2e3 TG |
195 | if (r < 0) |
196 | return r; | |
197 | ||
198 | (void) sd_event_source_set_description(m->timer_event_source, "mount-timer"); | |
199 | ||
200 | return 0; | |
718db961 LP |
201 | } |
202 | ||
a16e1123 | 203 | static void mount_unwatch_control_pid(Mount *m) { |
5e94833f LP |
204 | assert(m); |
205 | ||
206 | if (m->control_pid <= 0) | |
207 | return; | |
208 | ||
209 | unit_unwatch_pid(UNIT(m), m->control_pid); | |
210 | m->control_pid = 0; | |
211 | } | |
212 | ||
e537352b LP |
213 | static void mount_parameters_done(MountParameters *p) { |
214 | assert(p); | |
215 | ||
216 | free(p->what); | |
217 | free(p->options); | |
218 | free(p->fstype); | |
219 | ||
220 | p->what = p->options = p->fstype = NULL; | |
221 | } | |
222 | ||
87f0e418 | 223 | static void mount_done(Unit *u) { |
ef734fd6 | 224 | Mount *m = MOUNT(u); |
034c6ed7 | 225 | |
ef734fd6 | 226 | assert(m); |
034c6ed7 | 227 | |
a1e58e8e | 228 | m->where = mfree(m->where); |
f50e0a01 | 229 | |
e537352b LP |
230 | mount_parameters_done(&m->parameters_proc_self_mountinfo); |
231 | mount_parameters_done(&m->parameters_fragment); | |
ef734fd6 | 232 | |
613b411c | 233 | m->exec_runtime = exec_runtime_unref(m->exec_runtime); |
e537352b LP |
234 | exec_command_done_array(m->exec_command, _MOUNT_EXEC_COMMAND_MAX); |
235 | m->control_command = NULL; | |
f50e0a01 | 236 | |
29206d46 LP |
237 | dynamic_creds_unref(&m->dynamic_creds); |
238 | ||
a16e1123 | 239 | mount_unwatch_control_pid(m); |
f50e0a01 | 240 | |
718db961 | 241 | m->timer_event_source = sd_event_source_unref(m->timer_event_source); |
f50e0a01 LP |
242 | } |
243 | ||
44a6b1b6 | 244 | _pure_ static MountParameters* get_mount_parameters_fragment(Mount *m) { |
cb39ed3f LP |
245 | assert(m); |
246 | ||
247 | if (m->from_fragment) | |
248 | return &m->parameters_fragment; | |
cb39ed3f LP |
249 | |
250 | return NULL; | |
251 | } | |
252 | ||
44a6b1b6 | 253 | _pure_ static MountParameters* get_mount_parameters(Mount *m) { |
cb39ed3f LP |
254 | assert(m); |
255 | ||
256 | if (m->from_proc_self_mountinfo) | |
257 | return &m->parameters_proc_self_mountinfo; | |
258 | ||
6b1dc2bd | 259 | return get_mount_parameters_fragment(m); |
cb39ed3f LP |
260 | } |
261 | ||
6e2ef85b | 262 | static int mount_add_mount_links(Mount *m) { |
a57f7e2c | 263 | _cleanup_free_ char *parent = NULL; |
5c78d8e2 | 264 | MountParameters *pm; |
ac155bb8 | 265 | Unit *other; |
a57f7e2c LP |
266 | Iterator i; |
267 | Set *s; | |
b08d03ff LP |
268 | int r; |
269 | ||
6e2ef85b | 270 | assert(m); |
b08d03ff | 271 | |
a57f7e2c LP |
272 | if (!path_equal(m->where, "/")) { |
273 | /* Adds in links to other mount points that might lie further | |
274 | * up in the hierarchy */ | |
5f311f8c LP |
275 | |
276 | parent = dirname_malloc(m->where); | |
277 | if (!parent) | |
278 | return -ENOMEM; | |
01f78473 | 279 | |
a57f7e2c | 280 | r = unit_require_mounts_for(UNIT(m), parent); |
4f0eedb7 | 281 | if (r < 0) |
01f78473 | 282 | return r; |
4f0eedb7 | 283 | } |
01f78473 | 284 | |
a57f7e2c | 285 | /* Adds in links to other mount points that might be needed |
d3bd0986 | 286 | * for the source path (if this is a bind mount or a loop mount) to be |
a57f7e2c LP |
287 | * available. */ |
288 | pm = get_mount_parameters_fragment(m); | |
fc676b00 ZJS |
289 | if (pm && pm->what && |
290 | path_is_absolute(pm->what) && | |
d3bd0986 | 291 | (mount_is_bind(pm) || mount_is_loop(pm) || !mount_is_network(pm))) { |
fc676b00 | 292 | |
a57f7e2c | 293 | r = unit_require_mounts_for(UNIT(m), pm->what); |
4f0eedb7 | 294 | if (r < 0) |
6e2ef85b | 295 | return r; |
4f0eedb7 | 296 | } |
b08d03ff | 297 | |
a57f7e2c LP |
298 | /* Adds in links to other units that use this path or paths |
299 | * further down in the hierarchy */ | |
300 | s = manager_get_units_requiring_mounts_for(UNIT(m)->manager, m->where); | |
301 | SET_FOREACH(other, s, i) { | |
b08d03ff | 302 | |
a57f7e2c LP |
303 | if (other->load_state != UNIT_LOADED) |
304 | continue; | |
b08d03ff | 305 | |
a57f7e2c LP |
306 | if (other == UNIT(m)) |
307 | continue; | |
b08d03ff | 308 | |
a57f7e2c | 309 | r = unit_add_dependency(other, UNIT_AFTER, UNIT(m), true); |
4f0eedb7 | 310 | if (r < 0) |
6e2ef85b | 311 | return r; |
b08d03ff | 312 | |
a57f7e2c LP |
313 | if (UNIT(m)->fragment_path) { |
314 | /* If we have fragment configuration, then make this dependency required */ | |
315 | r = unit_add_dependency(other, UNIT_REQUIRES, UNIT(m), true); | |
316 | if (r < 0) | |
317 | return r; | |
318 | } | |
7c8fa05c LP |
319 | } |
320 | ||
321 | return 0; | |
322 | } | |
323 | ||
173a8d04 LP |
324 | static int mount_add_device_links(Mount *m) { |
325 | MountParameters *p; | |
5073f89f | 326 | bool device_wants_mount = false; |
9fff8a1f | 327 | int r; |
173a8d04 LP |
328 | |
329 | assert(m); | |
330 | ||
06e97888 | 331 | p = get_mount_parameters(m); |
6b1dc2bd | 332 | if (!p) |
173a8d04 LP |
333 | return 0; |
334 | ||
9fff8a1f | 335 | if (!p->what) |
173a8d04 | 336 | return 0; |
5c78d8e2 | 337 | |
dd144c63 LP |
338 | if (mount_is_bind(p)) |
339 | return 0; | |
340 | ||
341 | if (!is_device_path(p->what)) | |
342 | return 0; | |
343 | ||
7ba2711d LP |
344 | /* /dev/root is a really weird thing, it's not a real device, |
345 | * but just a path the kernel exports for the root file system | |
346 | * specified on the kernel command line. Ignore it here. */ | |
347 | if (path_equal(p->what, "/dev/root")) | |
348 | return 0; | |
349 | ||
dd144c63 LP |
350 | if (path_equal(m->where, "/")) |
351 | return 0; | |
352 | ||
463d0d15 | 353 | if (mount_is_auto(p) && !mount_is_automount(p) && MANAGER_IS_SYSTEM(UNIT(m)->manager)) |
5073f89f TG |
354 | device_wants_mount = true; |
355 | ||
9d06297e | 356 | r = unit_add_node_link(UNIT(m), p->what, device_wants_mount, m->from_fragment ? UNIT_BINDS_TO : UNIT_REQUIRES); |
dd144c63 LP |
357 | if (r < 0) |
358 | return r; | |
9fff8a1f | 359 | |
9fff8a1f | 360 | return 0; |
173a8d04 LP |
361 | } |
362 | ||
6b1dc2bd LP |
363 | static int mount_add_quota_links(Mount *m) { |
364 | int r; | |
365 | MountParameters *p; | |
366 | ||
367 | assert(m); | |
368 | ||
463d0d15 | 369 | if (!MANAGER_IS_SYSTEM(UNIT(m)->manager)) |
6b1dc2bd LP |
370 | return 0; |
371 | ||
372 | p = get_mount_parameters_fragment(m); | |
373 | if (!p) | |
374 | return 0; | |
375 | ||
376 | if (!needs_quota(p)) | |
377 | return 0; | |
378 | ||
379 | r = unit_add_two_dependencies_by_name(UNIT(m), UNIT_BEFORE, UNIT_WANTS, SPECIAL_QUOTACHECK_SERVICE, NULL, true); | |
380 | if (r < 0) | |
381 | return r; | |
382 | ||
383 | r = unit_add_two_dependencies_by_name(UNIT(m), UNIT_BEFORE, UNIT_WANTS, SPECIAL_QUOTAON_SERVICE, NULL, true); | |
384 | if (r < 0) | |
385 | return r; | |
386 | ||
387 | return 0; | |
388 | } | |
389 | ||
88ac30a1 TG |
390 | static bool should_umount(Mount *m) { |
391 | MountParameters *p; | |
392 | ||
3ae5990c | 393 | if (PATH_IN_SET(m->where, "/", "/usr") || |
04a93931 | 394 | path_startswith(m->where, "/run/initramfs")) |
88ac30a1 TG |
395 | return false; |
396 | ||
397 | p = get_mount_parameters(m); | |
d15d0333 | 398 | if (p && fstab_test_option(p->options, "x-initrd.mount\0") && |
88ac30a1 TG |
399 | !in_initrd()) |
400 | return false; | |
401 | ||
402 | return true; | |
403 | } | |
404 | ||
2edd4434 | 405 | static int mount_add_default_dependencies(Mount *m) { |
9ddc4a26 | 406 | MountParameters *p; |
ea0ec5ce | 407 | const char *after; |
0c17fbce | 408 | int r; |
2edd4434 LP |
409 | |
410 | assert(m); | |
411 | ||
4c9ea260 LP |
412 | if (!UNIT(m)->default_dependencies) |
413 | return 0; | |
414 | ||
463d0d15 | 415 | if (!MANAGER_IS_SYSTEM(UNIT(m)->manager)) |
9ddc4a26 | 416 | return 0; |
cb39ed3f | 417 | |
04a93931 JH |
418 | /* We do not add any default dependencies to /, /usr or |
419 | * /run/initramfs/, since they are guaranteed to stay | |
420 | * mounted the whole time, since our system is on it. | |
421 | * Also, don't bother with anything mounted below virtual | |
422 | * file systems, it's also going to be virtual, and hence | |
423 | * not worth the effort. */ | |
3ae5990c | 424 | if (PATH_IN_SET(m->where, "/", "/usr") || |
04a93931 | 425 | path_startswith(m->where, "/run/initramfs") || |
874d3404 LP |
426 | path_startswith(m->where, "/proc") || |
427 | path_startswith(m->where, "/sys") || | |
428 | path_startswith(m->where, "/dev")) | |
6b1dc2bd | 429 | return 0; |
2edd4434 | 430 | |
874d3404 LP |
431 | p = get_mount_parameters(m); |
432 | if (!p) | |
6b1dc2bd LP |
433 | return 0; |
434 | ||
e8d2f6cd | 435 | if (mount_is_network(p)) { |
ea0ec5ce LP |
436 | /* We order ourselves after network.target. This is |
437 | * primarily useful at shutdown: services that take | |
438 | * down the network should order themselves before | |
439 | * network.target, so that they are shut down only | |
440 | * after this mount unit is stopped. */ | |
6b1dc2bd | 441 | |
ea0ec5ce | 442 | r = unit_add_dependency_by_name(UNIT(m), UNIT_AFTER, SPECIAL_NETWORK_TARGET, NULL, true); |
a63a5c46 LP |
443 | if (r < 0) |
444 | return r; | |
a63a5c46 | 445 | |
ea0ec5ce LP |
446 | /* We pull in network-online.target, and order |
447 | * ourselves after it. This is useful at start-up to | |
448 | * actively pull in tools that want to be started | |
449 | * before we start mounting network file systems, and | |
450 | * whose purpose it is to delay this until the network | |
451 | * is "up". */ | |
452 | ||
453 | r = unit_add_two_dependencies_by_name(UNIT(m), UNIT_WANTS, UNIT_AFTER, SPECIAL_NETWORK_ONLINE_TARGET, NULL, true); | |
e8d2f6cd LP |
454 | if (r < 0) |
455 | return r; | |
ea0ec5ce LP |
456 | |
457 | after = SPECIAL_REMOTE_FS_PRE_TARGET; | |
458 | } else | |
459 | after = SPECIAL_LOCAL_FS_PRE_TARGET; | |
460 | ||
461 | r = unit_add_dependency_by_name(UNIT(m), UNIT_AFTER, after, NULL, true); | |
462 | if (r < 0) | |
463 | return r; | |
e8d2f6cd | 464 | |
88ac30a1 TG |
465 | if (should_umount(m)) { |
466 | r = unit_add_two_dependencies_by_name(UNIT(m), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_UMOUNT_TARGET, NULL, true); | |
467 | if (r < 0) | |
468 | return r; | |
469 | } | |
2edd4434 LP |
470 | |
471 | return 0; | |
472 | } | |
473 | ||
8d567588 | 474 | static int mount_verify(Mount *m) { |
a57f7e2c | 475 | _cleanup_free_ char *e = NULL; |
b294b79f | 476 | MountParameters *p; |
7410616c | 477 | int r; |
a57f7e2c | 478 | |
8d567588 LP |
479 | assert(m); |
480 | ||
1124fe6f | 481 | if (UNIT(m)->load_state != UNIT_LOADED) |
8d567588 LP |
482 | return 0; |
483 | ||
6b1dc2bd | 484 | if (!m->from_fragment && !m->from_proc_self_mountinfo) |
8cbef760 LP |
485 | return -ENOENT; |
486 | ||
7410616c LP |
487 | r = unit_name_from_path(m->where, ".mount", &e); |
488 | if (r < 0) | |
f2341e0a | 489 | return log_unit_error_errno(UNIT(m), r, "Failed to generate unit name from mount path: %m"); |
8d567588 | 490 | |
7410616c | 491 | if (!unit_has_name(UNIT(m), e)) { |
f2341e0a | 492 | log_unit_error(UNIT(m), "Where= setting doesn't match unit name. Refusing."); |
8d567588 LP |
493 | return -EINVAL; |
494 | } | |
495 | ||
33ff02c9 | 496 | if (mount_point_is_api(m->where) || mount_point_ignore(m->where)) { |
f2341e0a | 497 | log_unit_error(UNIT(m), "Cannot create mount unit for API file system %s. Refusing.", m->where); |
33ff02c9 LP |
498 | return -EINVAL; |
499 | } | |
500 | ||
b294b79f MO |
501 | p = get_mount_parameters_fragment(m); |
502 | if (p && !p->what) { | |
f2341e0a | 503 | log_unit_error(UNIT(m), "What= setting is missing. Refusing."); |
4e85aff4 LP |
504 | return -EBADMSG; |
505 | } | |
506 | ||
4819ff03 | 507 | if (m->exec_context.pam_name && m->kill_context.kill_mode != KILL_CONTROL_GROUP) { |
f2341e0a | 508 | log_unit_error(UNIT(m), "Unit has PAM enabled. Kill mode must be set to control-group'. Refusing."); |
4d0e5dbd LP |
509 | return -EINVAL; |
510 | } | |
511 | ||
8d567588 LP |
512 | return 0; |
513 | } | |
514 | ||
1a4ac875 MS |
515 | static int mount_add_extras(Mount *m) { |
516 | Unit *u = UNIT(m); | |
e537352b LP |
517 | int r; |
518 | ||
e821075a LP |
519 | assert(m); |
520 | ||
521 | if (u->fragment_path) | |
1a4ac875 | 522 | m->from_fragment = true; |
e537352b | 523 | |
1a4ac875 | 524 | if (!m->where) { |
7410616c LP |
525 | r = unit_name_to_path(u->id, &m->where); |
526 | if (r < 0) | |
527 | return r; | |
1a4ac875 | 528 | } |
a16e1123 | 529 | |
1a4ac875 | 530 | path_kill_slashes(m->where); |
e537352b | 531 | |
e821075a | 532 | if (!u->description) { |
1a4ac875 MS |
533 | r = unit_set_description(u, m->where); |
534 | if (r < 0) | |
173a8d04 | 535 | return r; |
1a4ac875 | 536 | } |
6e2ef85b | 537 | |
1a4ac875 MS |
538 | r = mount_add_device_links(m); |
539 | if (r < 0) | |
540 | return r; | |
6e2ef85b | 541 | |
1a4ac875 MS |
542 | r = mount_add_mount_links(m); |
543 | if (r < 0) | |
544 | return r; | |
6e2ef85b | 545 | |
1a4ac875 MS |
546 | r = mount_add_quota_links(m); |
547 | if (r < 0) | |
548 | return r; | |
e537352b | 549 | |
598459ce LP |
550 | r = unit_patch_contexts(u); |
551 | if (r < 0) | |
552 | return r; | |
4e67ddd6 | 553 | |
598459ce | 554 | r = unit_add_exec_dependencies(u, &m->exec_context); |
a016b922 LP |
555 | if (r < 0) |
556 | return r; | |
557 | ||
d79200e2 | 558 | r = unit_set_default_slice(u); |
1a4ac875 MS |
559 | if (r < 0) |
560 | return r; | |
561 | ||
4c9ea260 LP |
562 | r = mount_add_default_dependencies(m); |
563 | if (r < 0) | |
564 | return r; | |
598459ce | 565 | |
1a4ac875 MS |
566 | return 0; |
567 | } | |
568 | ||
11222d0f LP |
569 | static int mount_load_root_mount(Unit *u) { |
570 | assert(u); | |
571 | ||
572 | if (!unit_has_name(u, SPECIAL_ROOT_MOUNT)) | |
573 | return 0; | |
574 | ||
575 | u->perpetual = true; | |
576 | u->default_dependencies = false; | |
577 | ||
578 | /* The stdio/kmsg bridge socket is on /, in order to avoid a dep loop, don't use kmsg logging for -.mount */ | |
579 | MOUNT(u)->exec_context.std_output = EXEC_OUTPUT_NULL; | |
580 | MOUNT(u)->exec_context.std_input = EXEC_INPUT_NULL; | |
581 | ||
582 | if (!u->description) | |
583 | u->description = strdup("Root Mount"); | |
584 | ||
585 | return 1; | |
586 | } | |
587 | ||
1a4ac875 MS |
588 | static int mount_load(Unit *u) { |
589 | Mount *m = MOUNT(u); | |
590 | int r; | |
591 | ||
592 | assert(u); | |
593 | assert(u->load_state == UNIT_STUB); | |
594 | ||
11222d0f LP |
595 | r = mount_load_root_mount(u); |
596 | if (r < 0) | |
597 | return r; | |
598 | ||
599 | if (m->from_proc_self_mountinfo || u->perpetual) | |
8eba616f MS |
600 | r = unit_load_fragment_and_dropin_optional(u); |
601 | else | |
602 | r = unit_load_fragment_and_dropin(u); | |
1a4ac875 MS |
603 | if (r < 0) |
604 | return r; | |
155da457 | 605 | |
1a4ac875 MS |
606 | /* This is a new unit? Then let's add in some extras */ |
607 | if (u->load_state == UNIT_LOADED) { | |
608 | r = mount_add_extras(m); | |
609 | if (r < 0) | |
610 | return r; | |
e537352b LP |
611 | } |
612 | ||
8d567588 | 613 | return mount_verify(m); |
e537352b LP |
614 | } |
615 | ||
616 | static void mount_set_state(Mount *m, MountState state) { | |
617 | MountState old_state; | |
618 | assert(m); | |
619 | ||
620 | old_state = m->state; | |
621 | m->state = state; | |
622 | ||
94ad3616 | 623 | if (!mount_state_active(state)) { |
718db961 | 624 | m->timer_event_source = sd_event_source_unref(m->timer_event_source); |
a16e1123 | 625 | mount_unwatch_control_pid(m); |
e537352b | 626 | m->control_command = NULL; |
a16e1123 | 627 | m->control_command_id = _MOUNT_EXEC_COMMAND_INVALID; |
e537352b LP |
628 | } |
629 | ||
630 | if (state != old_state) | |
f2341e0a | 631 | log_unit_debug(UNIT(m), "Changed %s -> %s", mount_state_to_string(old_state), mount_state_to_string(state)); |
e537352b | 632 | |
9d2f5178 LP |
633 | unit_notify(UNIT(m), state_translation_table[old_state], state_translation_table[state], m->reload_result == MOUNT_SUCCESS); |
634 | m->reload_result = MOUNT_SUCCESS; | |
e537352b LP |
635 | } |
636 | ||
be847e82 | 637 | static int mount_coldplug(Unit *u) { |
e537352b | 638 | Mount *m = MOUNT(u); |
a16e1123 LP |
639 | MountState new_state = MOUNT_DEAD; |
640 | int r; | |
e537352b LP |
641 | |
642 | assert(m); | |
643 | assert(m->state == MOUNT_DEAD); | |
644 | ||
a16e1123 LP |
645 | if (m->deserialized_state != m->state) |
646 | new_state = m->deserialized_state; | |
647 | else if (m->from_proc_self_mountinfo) | |
648 | new_state = MOUNT_MOUNTED; | |
e537352b | 649 | |
5bcb0f2b LP |
650 | if (new_state == m->state) |
651 | return 0; | |
e537352b | 652 | |
c386f588 LP |
653 | if (m->control_pid > 0 && |
654 | pid_is_unwaited(m->control_pid) && | |
94ad3616 | 655 | mount_state_active(new_state)) { |
5bcb0f2b LP |
656 | |
657 | r = unit_watch_pid(UNIT(m), m->control_pid); | |
658 | if (r < 0) | |
659 | return r; | |
e537352b | 660 | |
36c16a7c | 661 | r = mount_arm_timer(m, usec_add(u->state_change_timestamp.monotonic, m->timeout_usec)); |
5bcb0f2b LP |
662 | if (r < 0) |
663 | return r; | |
a16e1123 | 664 | } |
e537352b | 665 | |
29206d46 LP |
666 | if (!IN_SET(new_state, MOUNT_DEAD, MOUNT_FAILED)) |
667 | (void) unit_setup_dynamic_creds(u); | |
668 | ||
5bcb0f2b | 669 | mount_set_state(m, new_state); |
e537352b | 670 | return 0; |
e537352b LP |
671 | } |
672 | ||
673 | static void mount_dump(Unit *u, FILE *f, const char *prefix) { | |
674 | Mount *m = MOUNT(u); | |
675 | MountParameters *p; | |
676 | ||
677 | assert(m); | |
678 | assert(f); | |
679 | ||
cb39ed3f | 680 | p = get_mount_parameters(m); |
e537352b LP |
681 | |
682 | fprintf(f, | |
683 | "%sMount State: %s\n" | |
81a5c6d0 | 684 | "%sResult: %s\n" |
e537352b LP |
685 | "%sWhere: %s\n" |
686 | "%sWhat: %s\n" | |
687 | "%sFile System Type: %s\n" | |
688 | "%sOptions: %s\n" | |
e537352b LP |
689 | "%sFrom /proc/self/mountinfo: %s\n" |
690 | "%sFrom fragment: %s\n" | |
e520950a | 691 | "%sDirectoryMode: %04o\n" |
49915de2 | 692 | "%sSloppyOptions: %s\n" |
4f8d40a9 BR |
693 | "%sLazyUnmount: %s\n" |
694 | "%sForceUnmount: %s\n", | |
a16e1123 | 695 | prefix, mount_state_to_string(m->state), |
81a5c6d0 | 696 | prefix, mount_result_to_string(m->result), |
e537352b | 697 | prefix, m->where, |
1e4fc9b1 HH |
698 | prefix, p ? strna(p->what) : "n/a", |
699 | prefix, p ? strna(p->fstype) : "n/a", | |
700 | prefix, p ? strna(p->options) : "n/a", | |
e537352b LP |
701 | prefix, yes_no(m->from_proc_self_mountinfo), |
702 | prefix, yes_no(m->from_fragment), | |
e520950a | 703 | prefix, m->directory_mode, |
49915de2 | 704 | prefix, yes_no(m->sloppy_options), |
4f8d40a9 BR |
705 | prefix, yes_no(m->lazy_unmount), |
706 | prefix, yes_no(m->force_unmount)); | |
e537352b LP |
707 | |
708 | if (m->control_pid > 0) | |
709 | fprintf(f, | |
ccd06097 ZJS |
710 | "%sControl PID: "PID_FMT"\n", |
711 | prefix, m->control_pid); | |
e537352b LP |
712 | |
713 | exec_context_dump(&m->exec_context, f, prefix); | |
4819ff03 | 714 | kill_context_dump(&m->kill_context, f, prefix); |
e537352b LP |
715 | } |
716 | ||
a16e1123 LP |
717 | static int mount_spawn(Mount *m, ExecCommand *c, pid_t *_pid) { |
718 | pid_t pid; | |
719 | int r; | |
9fa95f85 | 720 | ExecParameters exec_params = { |
c39f1ce2 LP |
721 | .flags = EXEC_APPLY_PERMISSIONS|EXEC_APPLY_CHROOT|EXEC_APPLY_TTY_STDIN, |
722 | .stdin_fd = -1, | |
723 | .stdout_fd = -1, | |
724 | .stderr_fd = -1, | |
9fa95f85 | 725 | }; |
a16e1123 LP |
726 | |
727 | assert(m); | |
728 | assert(c); | |
729 | assert(_pid); | |
730 | ||
5ad096b3 LP |
731 | (void) unit_realize_cgroup(UNIT(m)); |
732 | if (m->reset_cpu_usage) { | |
733 | (void) unit_reset_cpu_usage(UNIT(m)); | |
734 | m->reset_cpu_usage = false; | |
735 | } | |
4ad49000 | 736 | |
613b411c LP |
737 | r = unit_setup_exec_runtime(UNIT(m)); |
738 | if (r < 0) | |
36c16a7c | 739 | return r; |
613b411c | 740 | |
29206d46 LP |
741 | r = unit_setup_dynamic_creds(UNIT(m)); |
742 | if (r < 0) | |
743 | return r; | |
744 | ||
36c16a7c | 745 | r = mount_arm_timer(m, usec_add(now(CLOCK_MONOTONIC), m->timeout_usec)); |
36697dc0 | 746 | if (r < 0) |
36c16a7c | 747 | return r; |
a16e1123 | 748 | |
9fa95f85 | 749 | exec_params.environment = UNIT(m)->manager->environment; |
c39f1ce2 | 750 | exec_params.flags |= UNIT(m)->manager->confirm_spawn ? EXEC_CONFIRM_SPAWN : 0; |
9fa95f85 DM |
751 | exec_params.cgroup_supported = UNIT(m)->manager->cgroup_supported; |
752 | exec_params.cgroup_path = UNIT(m)->cgroup_path; | |
a931ad47 | 753 | exec_params.cgroup_delegate = m->cgroup_context.delegate; |
9fa95f85 | 754 | exec_params.runtime_prefix = manager_get_runtime_prefix(UNIT(m)->manager); |
9fa95f85 | 755 | |
f2341e0a LP |
756 | r = exec_spawn(UNIT(m), |
757 | c, | |
4ad49000 | 758 | &m->exec_context, |
9fa95f85 | 759 | &exec_params, |
613b411c | 760 | m->exec_runtime, |
29206d46 | 761 | &m->dynamic_creds, |
4ad49000 LP |
762 | &pid); |
763 | if (r < 0) | |
36c16a7c | 764 | return r; |
a16e1123 | 765 | |
4ad49000 LP |
766 | r = unit_watch_pid(UNIT(m), pid); |
767 | if (r < 0) | |
a16e1123 | 768 | /* FIXME: we need to do something here */ |
36c16a7c | 769 | return r; |
a16e1123 LP |
770 | |
771 | *_pid = pid; | |
772 | ||
773 | return 0; | |
a16e1123 LP |
774 | } |
775 | ||
9d2f5178 | 776 | static void mount_enter_dead(Mount *m, MountResult f) { |
e537352b LP |
777 | assert(m); |
778 | ||
a0fef983 | 779 | if (m->result == MOUNT_SUCCESS) |
9d2f5178 | 780 | m->result = f; |
e537352b | 781 | |
29206d46 LP |
782 | mount_set_state(m, m->result != MOUNT_SUCCESS ? MOUNT_FAILED : MOUNT_DEAD); |
783 | ||
613b411c LP |
784 | exec_runtime_destroy(m->exec_runtime); |
785 | m->exec_runtime = exec_runtime_unref(m->exec_runtime); | |
786 | ||
e66cf1a3 LP |
787 | exec_context_destroy_runtime_directory(&m->exec_context, manager_get_runtime_prefix(UNIT(m)->manager)); |
788 | ||
00d9ef85 LP |
789 | unit_unref_uid_gid(UNIT(m), true); |
790 | ||
29206d46 | 791 | dynamic_creds_destroy(&m->dynamic_creds); |
e537352b LP |
792 | } |
793 | ||
9d2f5178 | 794 | static void mount_enter_mounted(Mount *m, MountResult f) { |
80876c20 LP |
795 | assert(m); |
796 | ||
a0fef983 | 797 | if (m->result == MOUNT_SUCCESS) |
9d2f5178 | 798 | m->result = f; |
80876c20 LP |
799 | |
800 | mount_set_state(m, MOUNT_MOUNTED); | |
801 | } | |
802 | ||
9d2f5178 | 803 | static void mount_enter_signal(Mount *m, MountState state, MountResult f) { |
e537352b LP |
804 | int r; |
805 | ||
806 | assert(m); | |
807 | ||
a0fef983 | 808 | if (m->result == MOUNT_SUCCESS) |
9d2f5178 | 809 | m->result = f; |
e537352b | 810 | |
cd2086fe LP |
811 | r = unit_kill_context( |
812 | UNIT(m), | |
813 | &m->kill_context, | |
db2cb23b UTL |
814 | (state != MOUNT_MOUNTING_SIGTERM && state != MOUNT_UNMOUNTING_SIGTERM && state != MOUNT_REMOUNTING_SIGTERM) ? |
815 | KILL_KILL : KILL_TERMINATE, | |
cd2086fe LP |
816 | -1, |
817 | m->control_pid, | |
818 | false); | |
819 | if (r < 0) | |
820 | goto fail; | |
e537352b | 821 | |
cd2086fe | 822 | if (r > 0) { |
36c16a7c | 823 | r = mount_arm_timer(m, usec_add(now(CLOCK_MONOTONIC), m->timeout_usec)); |
36697dc0 | 824 | if (r < 0) |
80876c20 | 825 | goto fail; |
e537352b | 826 | |
80876c20 | 827 | mount_set_state(m, state); |
ac84d1fb LP |
828 | } else if (state == MOUNT_REMOUNTING_SIGTERM) |
829 | mount_enter_signal(m, MOUNT_REMOUNTING_SIGKILL, MOUNT_SUCCESS); | |
830 | else if (state == MOUNT_REMOUNTING_SIGKILL) | |
9d2f5178 | 831 | mount_enter_mounted(m, MOUNT_SUCCESS); |
ac84d1fb LP |
832 | else if (state == MOUNT_MOUNTING_SIGTERM) |
833 | mount_enter_signal(m, MOUNT_MOUNTING_SIGKILL, MOUNT_SUCCESS); | |
834 | else if (state == MOUNT_UNMOUNTING_SIGTERM) | |
835 | mount_enter_signal(m, MOUNT_UNMOUNTING_SIGKILL, MOUNT_SUCCESS); | |
80876c20 | 836 | else |
9d2f5178 | 837 | mount_enter_dead(m, MOUNT_SUCCESS); |
e537352b LP |
838 | |
839 | return; | |
840 | ||
841 | fail: | |
f2341e0a | 842 | log_unit_warning_errno(UNIT(m), r, "Failed to kill processes: %m"); |
e537352b | 843 | |
f2aed307 | 844 | if (IN_SET(state, MOUNT_REMOUNTING_SIGTERM, MOUNT_REMOUNTING_SIGKILL)) |
9d2f5178 | 845 | mount_enter_mounted(m, MOUNT_FAILURE_RESOURCES); |
80876c20 | 846 | else |
9d2f5178 | 847 | mount_enter_dead(m, MOUNT_FAILURE_RESOURCES); |
5261ba90 TT |
848 | } |
849 | ||
9d2f5178 | 850 | static void mount_enter_unmounting(Mount *m) { |
e537352b LP |
851 | int r; |
852 | ||
853 | assert(m); | |
854 | ||
7d54a03a LP |
855 | /* Start counting our attempts */ |
856 | if (!IN_SET(m->state, | |
857 | MOUNT_UNMOUNTING, | |
858 | MOUNT_UNMOUNTING_SIGTERM, | |
859 | MOUNT_UNMOUNTING_SIGKILL)) | |
860 | m->n_retry_umount = 0; | |
861 | ||
a16e1123 LP |
862 | m->control_command_id = MOUNT_EXEC_UNMOUNT; |
863 | m->control_command = m->exec_command + MOUNT_EXEC_UNMOUNT; | |
e537352b | 864 | |
f00929ad | 865 | r = exec_command_set(m->control_command, UMOUNT_PATH, m->where, NULL); |
e520950a BR |
866 | if (r >= 0 && m->lazy_unmount) |
867 | r = exec_command_append(m->control_command, "-l", NULL); | |
4f8d40a9 BR |
868 | if (r >= 0 && m->force_unmount) |
869 | r = exec_command_append(m->control_command, "-f", NULL); | |
7d54a03a | 870 | if (r < 0) |
e537352b LP |
871 | goto fail; |
872 | ||
a16e1123 | 873 | mount_unwatch_control_pid(m); |
5e94833f | 874 | |
7d54a03a LP |
875 | r = mount_spawn(m, m->control_command, &m->control_pid); |
876 | if (r < 0) | |
e537352b LP |
877 | goto fail; |
878 | ||
879 | mount_set_state(m, MOUNT_UNMOUNTING); | |
880 | ||
881 | return; | |
882 | ||
883 | fail: | |
f2341e0a | 884 | log_unit_warning_errno(UNIT(m), r, "Failed to run 'umount' task: %m"); |
9d2f5178 | 885 | mount_enter_mounted(m, MOUNT_FAILURE_RESOURCES); |
e537352b LP |
886 | } |
887 | ||
8d567588 | 888 | static void mount_enter_mounting(Mount *m) { |
e537352b | 889 | int r; |
cb39ed3f | 890 | MountParameters *p; |
e537352b LP |
891 | |
892 | assert(m); | |
893 | ||
a16e1123 LP |
894 | m->control_command_id = MOUNT_EXEC_MOUNT; |
895 | m->control_command = m->exec_command + MOUNT_EXEC_MOUNT; | |
e537352b | 896 | |
f2341e0a LP |
897 | r = unit_fail_if_symlink(UNIT(m), m->where); |
898 | if (r < 0) | |
899 | goto fail; | |
900 | ||
901 | (void) mkdir_p_label(m->where, m->directory_mode); | |
3e5235b0 | 902 | |
f2341e0a | 903 | unit_warn_if_dir_nonempty(UNIT(m), m->where); |
257f1d8e | 904 | |
cb39ed3f | 905 | /* Create the source directory for bind-mounts if needed */ |
6b1dc2bd | 906 | p = get_mount_parameters_fragment(m); |
cb39ed3f | 907 | if (p && mount_is_bind(p)) |
f2341e0a | 908 | (void) mkdir_p_label(p->what, m->directory_mode); |
5261ba90 | 909 | |
b294b79f | 910 | if (p) { |
17a1c597 ZJS |
911 | _cleanup_free_ char *opts = NULL; |
912 | ||
b294b79f | 913 | r = fstab_filter_options(p->options, "nofail\0" "noauto\0" "auto\0", NULL, NULL, &opts); |
17a1c597 ZJS |
914 | if (r < 0) |
915 | goto fail; | |
916 | ||
b294b79f | 917 | r = exec_command_set(m->control_command, MOUNT_PATH, p->what, m->where, NULL); |
e86b3761 ZJS |
918 | if (r >= 0 && m->sloppy_options) |
919 | r = exec_command_append(m->control_command, "-s", NULL); | |
b294b79f MO |
920 | if (r >= 0 && p->fstype) |
921 | r = exec_command_append(m->control_command, "-t", p->fstype, NULL); | |
0c47569a | 922 | if (r >= 0 && !isempty(opts)) |
17a1c597 | 923 | r = exec_command_append(m->control_command, "-o", opts, NULL); |
e86b3761 | 924 | } else |
e537352b LP |
925 | r = -ENOENT; |
926 | ||
927 | if (r < 0) | |
928 | goto fail; | |
929 | ||
a16e1123 | 930 | mount_unwatch_control_pid(m); |
5e94833f | 931 | |
257f1d8e LP |
932 | r = mount_spawn(m, m->control_command, &m->control_pid); |
933 | if (r < 0) | |
e537352b LP |
934 | goto fail; |
935 | ||
936 | mount_set_state(m, MOUNT_MOUNTING); | |
937 | ||
938 | return; | |
939 | ||
940 | fail: | |
f2341e0a | 941 | log_unit_warning_errno(UNIT(m), r, "Failed to run 'mount' task: %m"); |
9d2f5178 | 942 | mount_enter_dead(m, MOUNT_FAILURE_RESOURCES); |
e537352b LP |
943 | } |
944 | ||
9d2f5178 | 945 | static void mount_enter_remounting(Mount *m) { |
e537352b | 946 | int r; |
b294b79f | 947 | MountParameters *p; |
e537352b LP |
948 | |
949 | assert(m); | |
950 | ||
a16e1123 LP |
951 | m->control_command_id = MOUNT_EXEC_REMOUNT; |
952 | m->control_command = m->exec_command + MOUNT_EXEC_REMOUNT; | |
e537352b | 953 | |
b294b79f MO |
954 | p = get_mount_parameters_fragment(m); |
955 | if (p) { | |
e537352b LP |
956 | const char *o; |
957 | ||
b294b79f MO |
958 | if (p->options) |
959 | o = strjoina("remount,", p->options); | |
718db961 | 960 | else |
e537352b LP |
961 | o = "remount"; |
962 | ||
f00929ad | 963 | r = exec_command_set(m->control_command, MOUNT_PATH, |
b294b79f | 964 | p->what, m->where, |
e86b3761 | 965 | "-o", o, NULL); |
e86b3761 ZJS |
966 | if (r >= 0 && m->sloppy_options) |
967 | r = exec_command_append(m->control_command, "-s", NULL); | |
b294b79f MO |
968 | if (r >= 0 && p->fstype) |
969 | r = exec_command_append(m->control_command, "-t", p->fstype, NULL); | |
6b1dc2bd | 970 | } else |
e537352b LP |
971 | r = -ENOENT; |
972 | ||
60b912f6 | 973 | if (r < 0) |
e537352b | 974 | goto fail; |
e537352b | 975 | |
a16e1123 | 976 | mount_unwatch_control_pid(m); |
5e94833f | 977 | |
718db961 LP |
978 | r = mount_spawn(m, m->control_command, &m->control_pid); |
979 | if (r < 0) | |
e537352b LP |
980 | goto fail; |
981 | ||
982 | mount_set_state(m, MOUNT_REMOUNTING); | |
983 | ||
984 | return; | |
985 | ||
986 | fail: | |
f2341e0a | 987 | log_unit_warning_errno(UNIT(m), r, "Failed to run 'remount' task: %m"); |
9d2f5178 LP |
988 | m->reload_result = MOUNT_FAILURE_RESOURCES; |
989 | mount_enter_mounted(m, MOUNT_SUCCESS); | |
e537352b LP |
990 | } |
991 | ||
992 | static int mount_start(Unit *u) { | |
993 | Mount *m = MOUNT(u); | |
07299350 | 994 | int r; |
e537352b LP |
995 | |
996 | assert(m); | |
997 | ||
998 | /* We cannot fulfill this request right now, try again later | |
999 | * please! */ | |
f2aed307 LP |
1000 | if (IN_SET(m->state, |
1001 | MOUNT_UNMOUNTING, | |
1002 | MOUNT_UNMOUNTING_SIGTERM, | |
1003 | MOUNT_UNMOUNTING_SIGKILL, | |
1004 | MOUNT_MOUNTING_SIGTERM, | |
1005 | MOUNT_MOUNTING_SIGKILL)) | |
e537352b LP |
1006 | return -EAGAIN; |
1007 | ||
1008 | /* Already on it! */ | |
60b912f6 | 1009 | if (m->state == MOUNT_MOUNTING) |
e537352b LP |
1010 | return 0; |
1011 | ||
f2aed307 | 1012 | assert(IN_SET(m->state, MOUNT_DEAD, MOUNT_FAILED)); |
e537352b | 1013 | |
07299350 LP |
1014 | r = unit_start_limit_test(u); |
1015 | if (r < 0) { | |
1016 | mount_enter_dead(m, MOUNT_FAILURE_START_LIMIT_HIT); | |
1017 | return r; | |
1018 | } | |
1019 | ||
4b58153d LP |
1020 | r = unit_acquire_invocation_id(u); |
1021 | if (r < 0) | |
1022 | return r; | |
1023 | ||
9d2f5178 LP |
1024 | m->result = MOUNT_SUCCESS; |
1025 | m->reload_result = MOUNT_SUCCESS; | |
5ad096b3 | 1026 | m->reset_cpu_usage = true; |
9d2f5178 | 1027 | |
8d567588 | 1028 | mount_enter_mounting(m); |
82a2b6bb | 1029 | return 1; |
e537352b LP |
1030 | } |
1031 | ||
1032 | static int mount_stop(Unit *u) { | |
1033 | Mount *m = MOUNT(u); | |
1034 | ||
1035 | assert(m); | |
1036 | ||
e537352b | 1037 | /* Already on it */ |
f2aed307 LP |
1038 | if (IN_SET(m->state, |
1039 | MOUNT_UNMOUNTING, | |
1040 | MOUNT_UNMOUNTING_SIGKILL, | |
1041 | MOUNT_UNMOUNTING_SIGTERM, | |
1042 | MOUNT_MOUNTING_SIGTERM, | |
1043 | MOUNT_MOUNTING_SIGKILL)) | |
e537352b LP |
1044 | return 0; |
1045 | ||
f2aed307 LP |
1046 | assert(IN_SET(m->state, |
1047 | MOUNT_MOUNTING, | |
1048 | MOUNT_MOUNTING_DONE, | |
1049 | MOUNT_MOUNTED, | |
1050 | MOUNT_REMOUNTING, | |
1051 | MOUNT_REMOUNTING_SIGTERM, | |
1052 | MOUNT_REMOUNTING_SIGKILL)); | |
e537352b | 1053 | |
9d2f5178 | 1054 | mount_enter_unmounting(m); |
82a2b6bb | 1055 | return 1; |
e537352b LP |
1056 | } |
1057 | ||
1058 | static int mount_reload(Unit *u) { | |
1059 | Mount *m = MOUNT(u); | |
1060 | ||
1061 | assert(m); | |
1062 | ||
1063 | if (m->state == MOUNT_MOUNTING_DONE) | |
1064 | return -EAGAIN; | |
1065 | ||
1066 | assert(m->state == MOUNT_MOUNTED); | |
1067 | ||
9d2f5178 | 1068 | mount_enter_remounting(m); |
2d018ae2 | 1069 | return 1; |
e537352b LP |
1070 | } |
1071 | ||
a16e1123 LP |
1072 | static int mount_serialize(Unit *u, FILE *f, FDSet *fds) { |
1073 | Mount *m = MOUNT(u); | |
1074 | ||
1075 | assert(m); | |
1076 | assert(f); | |
1077 | assert(fds); | |
1078 | ||
1079 | unit_serialize_item(u, f, "state", mount_state_to_string(m->state)); | |
9d2f5178 LP |
1080 | unit_serialize_item(u, f, "result", mount_result_to_string(m->result)); |
1081 | unit_serialize_item(u, f, "reload-result", mount_result_to_string(m->reload_result)); | |
a16e1123 LP |
1082 | |
1083 | if (m->control_pid > 0) | |
ccd06097 | 1084 | unit_serialize_item_format(u, f, "control-pid", PID_FMT, m->control_pid); |
a16e1123 LP |
1085 | |
1086 | if (m->control_command_id >= 0) | |
1087 | unit_serialize_item(u, f, "control-command", mount_exec_command_to_string(m->control_command_id)); | |
1088 | ||
1089 | return 0; | |
1090 | } | |
1091 | ||
1092 | static int mount_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) { | |
1093 | Mount *m = MOUNT(u); | |
a16e1123 LP |
1094 | |
1095 | assert(u); | |
1096 | assert(key); | |
1097 | assert(value); | |
1098 | assert(fds); | |
1099 | ||
1100 | if (streq(key, "state")) { | |
1101 | MountState state; | |
1102 | ||
1103 | if ((state = mount_state_from_string(value)) < 0) | |
f2341e0a | 1104 | log_unit_debug(u, "Failed to parse state value: %s", value); |
a16e1123 LP |
1105 | else |
1106 | m->deserialized_state = state; | |
9d2f5178 LP |
1107 | } else if (streq(key, "result")) { |
1108 | MountResult f; | |
a16e1123 | 1109 | |
9d2f5178 LP |
1110 | f = mount_result_from_string(value); |
1111 | if (f < 0) | |
f2341e0a | 1112 | log_unit_debug(u, "Failed to parse result value: %s", value); |
9d2f5178 LP |
1113 | else if (f != MOUNT_SUCCESS) |
1114 | m->result = f; | |
1115 | ||
1116 | } else if (streq(key, "reload-result")) { | |
1117 | MountResult f; | |
1118 | ||
1119 | f = mount_result_from_string(value); | |
1120 | if (f < 0) | |
f2341e0a | 1121 | log_unit_debug(u, "Failed to parse reload result value: %s", value); |
9d2f5178 LP |
1122 | else if (f != MOUNT_SUCCESS) |
1123 | m->reload_result = f; | |
a16e1123 LP |
1124 | |
1125 | } else if (streq(key, "control-pid")) { | |
5925dd3c | 1126 | pid_t pid; |
a16e1123 | 1127 | |
e364ad06 | 1128 | if (parse_pid(value, &pid) < 0) |
f2341e0a | 1129 | log_unit_debug(u, "Failed to parse control-pid value: %s", value); |
a16e1123 | 1130 | else |
5925dd3c | 1131 | m->control_pid = pid; |
a16e1123 LP |
1132 | } else if (streq(key, "control-command")) { |
1133 | MountExecCommand id; | |
1134 | ||
f2341e0a LP |
1135 | id = mount_exec_command_from_string(value); |
1136 | if (id < 0) | |
1137 | log_unit_debug(u, "Failed to parse exec-command value: %s", value); | |
a16e1123 LP |
1138 | else { |
1139 | m->control_command_id = id; | |
1140 | m->control_command = m->exec_command + id; | |
1141 | } | |
a16e1123 | 1142 | } else |
f2341e0a | 1143 | log_unit_debug(u, "Unknown serialization key: %s", key); |
a16e1123 LP |
1144 | |
1145 | return 0; | |
1146 | } | |
1147 | ||
44a6b1b6 | 1148 | _pure_ static UnitActiveState mount_active_state(Unit *u) { |
e537352b LP |
1149 | assert(u); |
1150 | ||
1151 | return state_translation_table[MOUNT(u)->state]; | |
1152 | } | |
1153 | ||
44a6b1b6 | 1154 | _pure_ static const char *mount_sub_state_to_string(Unit *u) { |
10a94420 LP |
1155 | assert(u); |
1156 | ||
a16e1123 | 1157 | return mount_state_to_string(MOUNT(u)->state); |
10a94420 LP |
1158 | } |
1159 | ||
44a6b1b6 | 1160 | _pure_ static bool mount_check_gc(Unit *u) { |
701cc384 LP |
1161 | Mount *m = MOUNT(u); |
1162 | ||
1163 | assert(m); | |
1164 | ||
6b1dc2bd | 1165 | return m->from_proc_self_mountinfo; |
701cc384 LP |
1166 | } |
1167 | ||
e537352b LP |
1168 | static void mount_sigchld_event(Unit *u, pid_t pid, int code, int status) { |
1169 | Mount *m = MOUNT(u); | |
9d2f5178 | 1170 | MountResult f; |
e537352b LP |
1171 | |
1172 | assert(m); | |
1173 | assert(pid >= 0); | |
1174 | ||
8c47c732 LP |
1175 | if (pid != m->control_pid) |
1176 | return; | |
e537352b | 1177 | |
e537352b LP |
1178 | m->control_pid = 0; |
1179 | ||
1f0958f6 | 1180 | if (is_clean_exit(code, status, EXIT_CLEAN_COMMAND, NULL)) |
9d2f5178 LP |
1181 | f = MOUNT_SUCCESS; |
1182 | else if (code == CLD_EXITED) | |
1183 | f = MOUNT_FAILURE_EXIT_CODE; | |
1184 | else if (code == CLD_KILLED) | |
1185 | f = MOUNT_FAILURE_SIGNAL; | |
1186 | else if (code == CLD_DUMPED) | |
1187 | f = MOUNT_FAILURE_CORE_DUMP; | |
1188 | else | |
1189 | assert_not_reached("Unknown code"); | |
1190 | ||
a0fef983 | 1191 | if (m->result == MOUNT_SUCCESS) |
9d2f5178 | 1192 | m->result = f; |
8c47c732 | 1193 | |
a16e1123 | 1194 | if (m->control_command) { |
6ea832a2 | 1195 | exec_status_exit(&m->control_command->exec_status, &m->exec_context, pid, code, status); |
9d2f5178 | 1196 | |
a16e1123 LP |
1197 | m->control_command = NULL; |
1198 | m->control_command_id = _MOUNT_EXEC_COMMAND_INVALID; | |
1199 | } | |
1200 | ||
f2341e0a LP |
1201 | log_unit_full(u, f == MOUNT_SUCCESS ? LOG_DEBUG : LOG_NOTICE, 0, |
1202 | "Mount process exited, code=%s status=%i", sigchld_code_to_string(code), status); | |
e537352b LP |
1203 | |
1204 | /* Note that mount(8) returning and the kernel sending us a | |
1205 | * mount table change event might happen out-of-order. If an | |
1206 | * operation succeed we assume the kernel will follow soon too | |
1207 | * and already change into the resulting state. If it fails | |
1208 | * we check if the kernel still knows about the mount. and | |
1209 | * change state accordingly. */ | |
1210 | ||
1211 | switch (m->state) { | |
1212 | ||
1213 | case MOUNT_MOUNTING: | |
1214 | case MOUNT_MOUNTING_DONE: | |
1215 | case MOUNT_MOUNTING_SIGKILL: | |
1216 | case MOUNT_MOUNTING_SIGTERM: | |
e537352b | 1217 | |
052364d4 LP |
1218 | if (f == MOUNT_SUCCESS || m->from_proc_self_mountinfo) |
1219 | /* If /bin/mount returned success, or if we see the mount point in /proc/self/mountinfo we are | |
1220 | * happy. If we see the first condition first, we should see the the second condition | |
1221 | * immediately after – or /bin/mount lies to us and is broken. */ | |
9d2f5178 | 1222 | mount_enter_mounted(m, f); |
e537352b | 1223 | else |
9d2f5178 | 1224 | mount_enter_dead(m, f); |
e537352b LP |
1225 | break; |
1226 | ||
e2f3b44c LP |
1227 | case MOUNT_REMOUNTING: |
1228 | case MOUNT_REMOUNTING_SIGKILL: | |
1229 | case MOUNT_REMOUNTING_SIGTERM: | |
1230 | ||
9d2f5178 | 1231 | m->reload_result = f; |
e2f3b44c | 1232 | if (m->from_proc_self_mountinfo) |
9d2f5178 | 1233 | mount_enter_mounted(m, MOUNT_SUCCESS); |
e2f3b44c | 1234 | else |
9d2f5178 | 1235 | mount_enter_dead(m, MOUNT_SUCCESS); |
e2f3b44c LP |
1236 | |
1237 | break; | |
1238 | ||
e537352b LP |
1239 | case MOUNT_UNMOUNTING: |
1240 | case MOUNT_UNMOUNTING_SIGKILL: | |
1241 | case MOUNT_UNMOUNTING_SIGTERM: | |
1242 | ||
7d54a03a LP |
1243 | if (f == MOUNT_SUCCESS) { |
1244 | ||
1245 | if (m->from_proc_self_mountinfo) { | |
1246 | ||
1247 | /* Still a mount point? If so, let's | |
1248 | * try again. Most likely there were | |
1249 | * multiple mount points stacked on | |
1250 | * top of each other. Note that due to | |
1251 | * the io event priority logic we can | |
1252 | * be sure the new mountinfo is loaded | |
1253 | * before we process the SIGCHLD for | |
1254 | * the mount command. */ | |
1255 | ||
1256 | if (m->n_retry_umount < RETRY_UMOUNT_MAX) { | |
f2341e0a | 1257 | log_unit_debug(u, "Mount still present, trying again."); |
7d54a03a LP |
1258 | m->n_retry_umount++; |
1259 | mount_enter_unmounting(m); | |
1260 | } else { | |
f2341e0a | 1261 | log_unit_debug(u, "Mount still present after %u attempts to unmount, giving up.", m->n_retry_umount); |
7d54a03a LP |
1262 | mount_enter_mounted(m, f); |
1263 | } | |
1264 | } else | |
1265 | mount_enter_dead(m, f); | |
1266 | ||
1267 | } else if (m->from_proc_self_mountinfo) | |
9d2f5178 | 1268 | mount_enter_mounted(m, f); |
e537352b | 1269 | else |
9d2f5178 | 1270 | mount_enter_dead(m, f); |
e537352b LP |
1271 | break; |
1272 | ||
1273 | default: | |
1274 | assert_not_reached("Uh, control process died at wrong time."); | |
1275 | } | |
c4e2ceae LP |
1276 | |
1277 | /* Notify clients about changed exit status */ | |
1278 | unit_add_to_dbus_queue(u); | |
e537352b LP |
1279 | } |
1280 | ||
718db961 LP |
1281 | static int mount_dispatch_timer(sd_event_source *source, usec_t usec, void *userdata) { |
1282 | Mount *m = MOUNT(userdata); | |
e537352b LP |
1283 | |
1284 | assert(m); | |
718db961 | 1285 | assert(m->timer_event_source == source); |
e537352b LP |
1286 | |
1287 | switch (m->state) { | |
1288 | ||
1289 | case MOUNT_MOUNTING: | |
1290 | case MOUNT_MOUNTING_DONE: | |
f2341e0a | 1291 | log_unit_warning(UNIT(m), "Mounting timed out. Stopping."); |
9d2f5178 | 1292 | mount_enter_signal(m, MOUNT_MOUNTING_SIGTERM, MOUNT_FAILURE_TIMEOUT); |
e537352b LP |
1293 | break; |
1294 | ||
1295 | case MOUNT_REMOUNTING: | |
f2341e0a | 1296 | log_unit_warning(UNIT(m), "Remounting timed out. Stopping."); |
9d2f5178 LP |
1297 | m->reload_result = MOUNT_FAILURE_TIMEOUT; |
1298 | mount_enter_mounted(m, MOUNT_SUCCESS); | |
e537352b LP |
1299 | break; |
1300 | ||
1301 | case MOUNT_UNMOUNTING: | |
f2341e0a | 1302 | log_unit_warning(UNIT(m), "Unmounting timed out. Stopping."); |
9d2f5178 | 1303 | mount_enter_signal(m, MOUNT_UNMOUNTING_SIGTERM, MOUNT_FAILURE_TIMEOUT); |
e537352b LP |
1304 | break; |
1305 | ||
1306 | case MOUNT_MOUNTING_SIGTERM: | |
4819ff03 | 1307 | if (m->kill_context.send_sigkill) { |
f2341e0a | 1308 | log_unit_warning(UNIT(m), "Mounting timed out. Killing."); |
9d2f5178 | 1309 | mount_enter_signal(m, MOUNT_MOUNTING_SIGKILL, MOUNT_FAILURE_TIMEOUT); |
ba035df2 | 1310 | } else { |
f2341e0a | 1311 | log_unit_warning(UNIT(m), "Mounting timed out. Skipping SIGKILL. Ignoring."); |
ba035df2 LP |
1312 | |
1313 | if (m->from_proc_self_mountinfo) | |
9d2f5178 | 1314 | mount_enter_mounted(m, MOUNT_FAILURE_TIMEOUT); |
ba035df2 | 1315 | else |
9d2f5178 | 1316 | mount_enter_dead(m, MOUNT_FAILURE_TIMEOUT); |
ba035df2 | 1317 | } |
e537352b LP |
1318 | break; |
1319 | ||
1320 | case MOUNT_REMOUNTING_SIGTERM: | |
4819ff03 | 1321 | if (m->kill_context.send_sigkill) { |
f2341e0a | 1322 | log_unit_warning(UNIT(m), "Remounting timed out. Killing."); |
9d2f5178 | 1323 | mount_enter_signal(m, MOUNT_REMOUNTING_SIGKILL, MOUNT_FAILURE_TIMEOUT); |
ba035df2 | 1324 | } else { |
f2341e0a | 1325 | log_unit_warning(UNIT(m), "Remounting timed out. Skipping SIGKILL. Ignoring."); |
ba035df2 LP |
1326 | |
1327 | if (m->from_proc_self_mountinfo) | |
9d2f5178 | 1328 | mount_enter_mounted(m, MOUNT_FAILURE_TIMEOUT); |
ba035df2 | 1329 | else |
9d2f5178 | 1330 | mount_enter_dead(m, MOUNT_FAILURE_TIMEOUT); |
ba035df2 | 1331 | } |
e537352b LP |
1332 | break; |
1333 | ||
1334 | case MOUNT_UNMOUNTING_SIGTERM: | |
4819ff03 | 1335 | if (m->kill_context.send_sigkill) { |
f2341e0a | 1336 | log_unit_warning(UNIT(m), "Unmounting timed out. Killing."); |
9d2f5178 | 1337 | mount_enter_signal(m, MOUNT_UNMOUNTING_SIGKILL, MOUNT_FAILURE_TIMEOUT); |
ba035df2 | 1338 | } else { |
f2341e0a | 1339 | log_unit_warning(UNIT(m), "Unmounting timed out. Skipping SIGKILL. Ignoring."); |
ba035df2 LP |
1340 | |
1341 | if (m->from_proc_self_mountinfo) | |
9d2f5178 | 1342 | mount_enter_mounted(m, MOUNT_FAILURE_TIMEOUT); |
ba035df2 | 1343 | else |
9d2f5178 | 1344 | mount_enter_dead(m, MOUNT_FAILURE_TIMEOUT); |
ba035df2 | 1345 | } |
e537352b LP |
1346 | break; |
1347 | ||
1348 | case MOUNT_MOUNTING_SIGKILL: | |
1349 | case MOUNT_REMOUNTING_SIGKILL: | |
1350 | case MOUNT_UNMOUNTING_SIGKILL: | |
f2341e0a | 1351 | log_unit_warning(UNIT(m),"Mount process still around after SIGKILL. Ignoring."); |
e537352b LP |
1352 | |
1353 | if (m->from_proc_self_mountinfo) | |
9d2f5178 | 1354 | mount_enter_mounted(m, MOUNT_FAILURE_TIMEOUT); |
e537352b | 1355 | else |
9d2f5178 | 1356 | mount_enter_dead(m, MOUNT_FAILURE_TIMEOUT); |
e537352b LP |
1357 | break; |
1358 | ||
1359 | default: | |
1360 | assert_not_reached("Timeout at wrong time."); | |
1361 | } | |
718db961 LP |
1362 | |
1363 | return 0; | |
e537352b LP |
1364 | } |
1365 | ||
628c89cc | 1366 | static int mount_setup_unit( |
e537352b LP |
1367 | Manager *m, |
1368 | const char *what, | |
1369 | const char *where, | |
1370 | const char *options, | |
1371 | const char *fstype, | |
e537352b | 1372 | bool set_flags) { |
057d9ab8 LP |
1373 | |
1374 | _cleanup_free_ char *e = NULL, *w = NULL, *o = NULL, *f = NULL; | |
b87705cd | 1375 | bool load_extras = false; |
057d9ab8 | 1376 | MountParameters *p; |
ff5f34d0 | 1377 | bool delete, changed = false; |
057d9ab8 LP |
1378 | Unit *u; |
1379 | int r; | |
b08d03ff | 1380 | |
f50e0a01 | 1381 | assert(m); |
b08d03ff LP |
1382 | assert(what); |
1383 | assert(where); | |
e537352b LP |
1384 | assert(options); |
1385 | assert(fstype); | |
1386 | ||
e537352b LP |
1387 | /* Ignore API mount points. They should never be referenced in |
1388 | * dependencies ever. */ | |
33ff02c9 | 1389 | if (mount_point_is_api(where) || mount_point_ignore(where)) |
57f2a956 | 1390 | return 0; |
b08d03ff | 1391 | |
8d567588 LP |
1392 | if (streq(fstype, "autofs")) |
1393 | return 0; | |
1394 | ||
4e85aff4 LP |
1395 | /* probably some kind of swap, ignore */ |
1396 | if (!is_path(where)) | |
b08d03ff LP |
1397 | return 0; |
1398 | ||
7410616c LP |
1399 | r = unit_name_from_path(where, ".mount", &e); |
1400 | if (r < 0) | |
1401 | return r; | |
b08d03ff | 1402 | |
7d17cfbc MS |
1403 | u = manager_get_unit(m, e); |
1404 | if (!u) { | |
b08d03ff LP |
1405 | delete = true; |
1406 | ||
7d17cfbc | 1407 | u = unit_new(m, sizeof(Mount)); |
057d9ab8 | 1408 | if (!u) |
628c89cc | 1409 | return log_oom(); |
b08d03ff LP |
1410 | |
1411 | r = unit_add_name(u, e); | |
b08d03ff LP |
1412 | if (r < 0) |
1413 | goto fail; | |
1414 | ||
7d17cfbc MS |
1415 | MOUNT(u)->where = strdup(where); |
1416 | if (!MOUNT(u)->where) { | |
07b0b134 ML |
1417 | r = -ENOMEM; |
1418 | goto fail; | |
1419 | } | |
f50e0a01 | 1420 | |
47a81ba2 UTL |
1421 | u->source_path = strdup("/proc/self/mountinfo"); |
1422 | if (!u->source_path) { | |
1423 | r = -ENOMEM; | |
1424 | goto fail; | |
1425 | } | |
1426 | ||
463d0d15 | 1427 | if (MANAGER_IS_SYSTEM(m)) { |
057d9ab8 LP |
1428 | const char* target; |
1429 | ||
affc3d83 | 1430 | target = mount_needs_network(options, fstype) ? SPECIAL_REMOTE_FS_TARGET : SPECIAL_LOCAL_FS_TARGET; |
057d9ab8 | 1431 | r = unit_add_dependency_by_name(u, UNIT_BEFORE, target, NULL, true); |
602c0e74 LP |
1432 | if (r < 0) |
1433 | goto fail; | |
057d9ab8 LP |
1434 | |
1435 | if (should_umount(MOUNT(u))) { | |
1436 | r = unit_add_dependency_by_name(u, UNIT_CONFLICTS, SPECIAL_UMOUNT_TARGET, NULL, true); | |
1437 | if (r < 0) | |
1438 | goto fail; | |
1439 | } | |
602c0e74 | 1440 | } |
89b1d5e0 | 1441 | |
f94ea366 | 1442 | unit_add_to_load_queue(u); |
ff5f34d0 | 1443 | changed = true; |
b08d03ff LP |
1444 | } else { |
1445 | delete = false; | |
8eba616f | 1446 | |
bcbd5405 WW |
1447 | if (!MOUNT(u)->where) { |
1448 | MOUNT(u)->where = strdup(where); | |
1449 | if (!MOUNT(u)->where) { | |
1450 | r = -ENOMEM; | |
1451 | goto fail; | |
1452 | } | |
1453 | } | |
1454 | ||
463d0d15 | 1455 | if (MANAGER_IS_SYSTEM(m) && |
9d05dd2e | 1456 | mount_needs_network(options, fstype)) { |
a6d305f9 CL |
1457 | /* _netdev option may have shown up late, or on a |
1458 | * remount. Add remote-fs dependencies, even though | |
9d05dd2e ZJS |
1459 | * local-fs ones may already be there. */ |
1460 | unit_add_dependency_by_name(u, UNIT_BEFORE, SPECIAL_REMOTE_FS_TARGET, NULL, true); | |
1461 | load_extras = true; | |
a6d305f9 CL |
1462 | } |
1463 | ||
c2756a68 | 1464 | if (u->load_state == UNIT_NOT_FOUND) { |
8eba616f MS |
1465 | u->load_state = UNIT_LOADED; |
1466 | u->load_error = 0; | |
b87705cd LP |
1467 | |
1468 | /* Load in the extras later on, after we | |
1469 | * finished initialization of the unit */ | |
1470 | load_extras = true; | |
ff5f34d0 | 1471 | changed = true; |
8eba616f | 1472 | } |
b08d03ff LP |
1473 | } |
1474 | ||
dd7a22a9 LP |
1475 | w = strdup(what); |
1476 | o = strdup(options); | |
1477 | f = strdup(fstype); | |
1478 | if (!w || !o || !f) { | |
e537352b LP |
1479 | r = -ENOMEM; |
1480 | goto fail; | |
1481 | } | |
1482 | ||
6b1dc2bd | 1483 | p = &MOUNT(u)->parameters_proc_self_mountinfo; |
ff5f34d0 LP |
1484 | |
1485 | changed = changed || | |
1486 | !streq_ptr(p->options, options) || | |
1487 | !streq_ptr(p->what, what) || | |
1488 | !streq_ptr(p->fstype, fstype); | |
1489 | ||
6b1dc2bd LP |
1490 | if (set_flags) { |
1491 | MOUNT(u)->is_mounted = true; | |
1492 | MOUNT(u)->just_mounted = !MOUNT(u)->from_proc_self_mountinfo; | |
ff5f34d0 | 1493 | MOUNT(u)->just_changed = changed; |
ef734fd6 | 1494 | } |
f50e0a01 | 1495 | |
6b1dc2bd LP |
1496 | MOUNT(u)->from_proc_self_mountinfo = true; |
1497 | ||
3b319885 ZJS |
1498 | free_and_replace(p->what, w); |
1499 | free_and_replace(p->options, o); | |
1500 | free_and_replace(p->fstype, f); | |
b08d03ff | 1501 | |
b87705cd LP |
1502 | if (load_extras) { |
1503 | r = mount_add_extras(MOUNT(u)); | |
1504 | if (r < 0) | |
1505 | goto fail; | |
1506 | } | |
1507 | ||
ff5f34d0 LP |
1508 | if (changed) |
1509 | unit_add_to_dbus_queue(u); | |
c1e1601e | 1510 | |
b08d03ff LP |
1511 | return 0; |
1512 | ||
1513 | fail: | |
628c89cc LP |
1514 | log_warning_errno(r, "Failed to set up mount unit: %m"); |
1515 | ||
b08d03ff LP |
1516 | if (delete && u) |
1517 | unit_free(u); | |
1518 | ||
4e85aff4 | 1519 | return r; |
b08d03ff LP |
1520 | } |
1521 | ||
ef734fd6 | 1522 | static int mount_load_proc_self_mountinfo(Manager *m, bool set_flags) { |
628c89cc LP |
1523 | _cleanup_(mnt_free_tablep) struct libmnt_table *t = NULL; |
1524 | _cleanup_(mnt_free_iterp) struct libmnt_iter *i = NULL; | |
60b912f6 | 1525 | int r = 0; |
b08d03ff LP |
1526 | |
1527 | assert(m); | |
1528 | ||
628c89cc LP |
1529 | t = mnt_new_table(); |
1530 | if (!t) | |
8d3ae2bd | 1531 | return log_oom(); |
b08d03ff | 1532 | |
628c89cc LP |
1533 | i = mnt_new_iter(MNT_ITER_FORWARD); |
1534 | if (!i) | |
1535 | return log_oom(); | |
1536 | ||
1537 | r = mnt_table_parse_mtab(t, NULL); | |
5cca8def | 1538 | if (r < 0) |
628c89cc | 1539 | return log_error_errno(r, "Failed to parse /proc/self/mountinfo: %m"); |
e537352b | 1540 | |
5cca8def ZJS |
1541 | r = 0; |
1542 | for (;;) { | |
8d3ae2bd | 1543 | const char *device, *path, *options, *fstype; |
527b7a42 | 1544 | _cleanup_free_ char *d = NULL, *p = NULL; |
628c89cc | 1545 | struct libmnt_fs *fs; |
8d3ae2bd | 1546 | int k; |
b08d03ff | 1547 | |
628c89cc | 1548 | k = mnt_table_next_fs(t, i, &fs); |
5cca8def ZJS |
1549 | if (k == 1) |
1550 | break; | |
628c89cc LP |
1551 | if (k < 0) |
1552 | return log_error_errno(k, "Failed to get next entry from /proc/self/mountinfo: %m"); | |
5cca8def | 1553 | |
8d3ae2bd CL |
1554 | device = mnt_fs_get_source(fs); |
1555 | path = mnt_fs_get_target(fs); | |
1556 | options = mnt_fs_get_options(fs); | |
1557 | fstype = mnt_fs_get_fstype(fs); | |
a2e0f3d3 | 1558 | |
c0a7f8d3 DM |
1559 | if (!device || !path) |
1560 | continue; | |
1561 | ||
527b7a42 | 1562 | if (cunescape(device, UNESCAPE_RELAX, &d) < 0) |
628c89cc LP |
1563 | return log_oom(); |
1564 | ||
527b7a42 | 1565 | if (cunescape(path, UNESCAPE_RELAX, &p) < 0) |
a57f7e2c | 1566 | return log_oom(); |
b08d03ff | 1567 | |
628c89cc LP |
1568 | (void) device_found_node(m, d, true, DEVICE_FOUND_MOUNT, set_flags); |
1569 | ||
1570 | k = mount_setup_unit(m, d, p, options, fstype, set_flags); | |
5cca8def | 1571 | if (r == 0 && k < 0) |
60b912f6 | 1572 | r = k; |
b08d03ff LP |
1573 | } |
1574 | ||
e537352b LP |
1575 | return r; |
1576 | } | |
1577 | ||
1578 | static void mount_shutdown(Manager *m) { | |
d379d442 | 1579 | |
e537352b LP |
1580 | assert(m); |
1581 | ||
718db961 LP |
1582 | m->mount_event_source = sd_event_source_unref(m->mount_event_source); |
1583 | ||
d379d442 KZ |
1584 | mnt_unref_monitor(m->mount_monitor); |
1585 | m->mount_monitor = NULL; | |
b08d03ff LP |
1586 | } |
1587 | ||
7a7821c8 | 1588 | static int mount_get_timeout(Unit *u, usec_t *timeout) { |
68db7a3b | 1589 | Mount *m = MOUNT(u); |
7a7821c8 | 1590 | usec_t t; |
68db7a3b ZJS |
1591 | int r; |
1592 | ||
1593 | if (!m->timer_event_source) | |
1594 | return 0; | |
1595 | ||
7a7821c8 | 1596 | r = sd_event_source_get_time(m->timer_event_source, &t); |
68db7a3b ZJS |
1597 | if (r < 0) |
1598 | return r; | |
7a7821c8 LP |
1599 | if (t == USEC_INFINITY) |
1600 | return 0; | |
68db7a3b | 1601 | |
7a7821c8 | 1602 | *timeout = t; |
68db7a3b ZJS |
1603 | return 1; |
1604 | } | |
1605 | ||
11222d0f LP |
1606 | static void synthesize_root_mount(Manager *m) { |
1607 | Unit *u; | |
1608 | int r; | |
1609 | ||
1610 | assert(m); | |
1611 | ||
1612 | /* Whatever happens, we know for sure that the root directory is around, and cannot go away. Let's | |
1613 | * unconditionally synthesize it here and mark it as perpetual. */ | |
1614 | ||
1615 | u = manager_get_unit(m, SPECIAL_ROOT_MOUNT); | |
1616 | if (!u) { | |
1617 | u = unit_new(m, sizeof(Mount)); | |
1618 | if (!u) { | |
1619 | log_oom(); | |
1620 | return; | |
1621 | } | |
1622 | ||
1623 | r = unit_add_name(u, SPECIAL_ROOT_MOUNT); | |
1624 | if (r < 0) { | |
1625 | unit_free(u); | |
1626 | log_error_errno(r, "Failed to add the " SPECIAL_ROOT_MOUNT " name: %m"); | |
1627 | return; | |
1628 | } | |
1629 | } | |
1630 | ||
1631 | u->perpetual = true; | |
1632 | MOUNT(u)->deserialized_state = MOUNT_MOUNTED; | |
1633 | ||
1634 | unit_add_to_load_queue(u); | |
1635 | unit_add_to_dbus_queue(u); | |
1636 | } | |
1637 | ||
1638 | static bool mount_is_mounted(Mount *m) { | |
1639 | assert(m); | |
1640 | ||
1641 | return UNIT(m)->perpetual || m->is_mounted; | |
1642 | } | |
1643 | ||
ba64af90 | 1644 | static void mount_enumerate(Manager *m) { |
b08d03ff | 1645 | int r; |
d379d442 | 1646 | |
b08d03ff LP |
1647 | assert(m); |
1648 | ||
11222d0f LP |
1649 | synthesize_root_mount(m); |
1650 | ||
8d3ae2bd CL |
1651 | mnt_init_debug(0); |
1652 | ||
d379d442 KZ |
1653 | if (!m->mount_monitor) { |
1654 | int fd; | |
ef734fd6 | 1655 | |
d379d442 KZ |
1656 | m->mount_monitor = mnt_new_monitor(); |
1657 | if (!m->mount_monitor) { | |
ba64af90 | 1658 | log_oom(); |
718db961 | 1659 | goto fail; |
d379d442 | 1660 | } |
29083707 | 1661 | |
d379d442 | 1662 | r = mnt_monitor_enable_kernel(m->mount_monitor, 1); |
ba64af90 LP |
1663 | if (r < 0) { |
1664 | log_error_errno(r, "Failed to enable watching of kernel mount events: %m"); | |
29083707 | 1665 | goto fail; |
ba64af90 LP |
1666 | } |
1667 | ||
d379d442 | 1668 | r = mnt_monitor_enable_userspace(m->mount_monitor, 1, NULL); |
ba64af90 LP |
1669 | if (r < 0) { |
1670 | log_error_errno(r, "Failed to enable watching of userspace mount events: %m"); | |
f7c1ad4f | 1671 | goto fail; |
ba64af90 | 1672 | } |
90598531 | 1673 | |
d379d442 KZ |
1674 | /* mnt_unref_monitor() will close the fd */ |
1675 | fd = r = mnt_monitor_get_fd(m->mount_monitor); | |
ba64af90 LP |
1676 | if (r < 0) { |
1677 | log_error_errno(r, "Failed to acquire watch file descriptor: %m"); | |
f7c1ad4f | 1678 | goto fail; |
ba64af90 | 1679 | } |
befb6d54 | 1680 | |
d379d442 | 1681 | r = sd_event_add_io(m->event, &m->mount_event_source, fd, EPOLLIN, mount_dispatch_io, m); |
ba64af90 LP |
1682 | if (r < 0) { |
1683 | log_error_errno(r, "Failed to watch mount file descriptor: %m"); | |
befb6d54 | 1684 | goto fail; |
ba64af90 | 1685 | } |
befb6d54 | 1686 | |
d379d442 | 1687 | r = sd_event_source_set_priority(m->mount_event_source, -10); |
ba64af90 LP |
1688 | if (r < 0) { |
1689 | log_error_errno(r, "Failed to adjust mount watch priority: %m"); | |
befb6d54 | 1690 | goto fail; |
ba64af90 | 1691 | } |
7dfbe2e3 | 1692 | |
d379d442 | 1693 | (void) sd_event_source_set_description(m->mount_event_source, "mount-monitor-dispatch"); |
befb6d54 CL |
1694 | } |
1695 | ||
e62d8c39 ZJS |
1696 | r = mount_load_proc_self_mountinfo(m, false); |
1697 | if (r < 0) | |
b08d03ff LP |
1698 | goto fail; |
1699 | ||
ba64af90 | 1700 | return; |
b08d03ff LP |
1701 | |
1702 | fail: | |
1703 | mount_shutdown(m); | |
5cb5a6ff LP |
1704 | } |
1705 | ||
718db961 | 1706 | static int mount_dispatch_io(sd_event_source *source, int fd, uint32_t revents, void *userdata) { |
fcd8b266 | 1707 | _cleanup_set_free_ Set *around = NULL, *gone = NULL; |
718db961 | 1708 | Manager *m = userdata; |
fcd8b266 LP |
1709 | const char *what; |
1710 | Iterator i; | |
595ed347 | 1711 | Unit *u; |
ef734fd6 LP |
1712 | int r; |
1713 | ||
1714 | assert(m); | |
d379d442 | 1715 | assert(revents & EPOLLIN); |
ef734fd6 | 1716 | |
d379d442 | 1717 | if (fd == mnt_monitor_get_fd(m->mount_monitor)) { |
df63dda6 | 1718 | bool rescan = false; |
befb6d54 | 1719 | |
d379d442 KZ |
1720 | /* Drain all events and verify that the event is valid. |
1721 | * | |
1722 | * Note that libmount also monitors /run/mount mkdir if the | |
1723 | * directory does not exist yet. The mkdir may generate event | |
1724 | * which is irrelevant for us. | |
1725 | * | |
1726 | * error: r < 0; valid: r == 0, false positive: rc == 1 */ | |
1727 | do { | |
1728 | r = mnt_monitor_next_change(m->mount_monitor, NULL, NULL); | |
1729 | if (r == 0) | |
1730 | rescan = true; | |
1731 | else if (r < 0) | |
1732 | return log_error_errno(r, "Failed to drain libmount events"); | |
1733 | } while (r == 0); | |
1734 | ||
1735 | log_debug("libmount event [rescan: %s]", yes_no(rescan)); | |
befb6d54 CL |
1736 | if (!rescan) |
1737 | return 0; | |
1738 | } | |
ef734fd6 | 1739 | |
4f0eedb7 ZJS |
1740 | r = mount_load_proc_self_mountinfo(m, true); |
1741 | if (r < 0) { | |
e537352b | 1742 | /* Reset flags, just in case, for later calls */ |
595ed347 MS |
1743 | LIST_FOREACH(units_by_type, u, m->units_by_type[UNIT_MOUNT]) { |
1744 | Mount *mount = MOUNT(u); | |
e537352b LP |
1745 | |
1746 | mount->is_mounted = mount->just_mounted = mount->just_changed = false; | |
1747 | } | |
1748 | ||
718db961 | 1749 | return 0; |
ef734fd6 LP |
1750 | } |
1751 | ||
1752 | manager_dispatch_load_queue(m); | |
1753 | ||
595ed347 MS |
1754 | LIST_FOREACH(units_by_type, u, m->units_by_type[UNIT_MOUNT]) { |
1755 | Mount *mount = MOUNT(u); | |
ef734fd6 | 1756 | |
11222d0f | 1757 | if (!mount_is_mounted(mount)) { |
e537352b | 1758 | |
394763f6 LP |
1759 | /* A mount point is not around right now. It |
1760 | * might be gone, or might never have | |
1761 | * existed. */ | |
1762 | ||
1763 | if (mount->from_proc_self_mountinfo && | |
1764 | mount->parameters_proc_self_mountinfo.what) { | |
1765 | ||
1766 | /* Remember that this device might just have disappeared */ | |
1767 | if (set_ensure_allocated(&gone, &string_hash_ops) < 0 || | |
1768 | set_put(gone, mount->parameters_proc_self_mountinfo.what) < 0) | |
1769 | log_oom(); /* we don't care too much about OOM here... */ | |
1770 | } | |
fcd8b266 | 1771 | |
ef734fd6 | 1772 | mount->from_proc_self_mountinfo = false; |
e537352b LP |
1773 | |
1774 | switch (mount->state) { | |
1775 | ||
1776 | case MOUNT_MOUNTED: | |
aef83136 LP |
1777 | /* This has just been unmounted by |
1778 | * somebody else, follow the state | |
1779 | * change. */ | |
cf6f7f66 | 1780 | mount->result = MOUNT_SUCCESS; /* make sure we forget any earlier umount failures */ |
9d2f5178 | 1781 | mount_enter_dead(mount, MOUNT_SUCCESS); |
e537352b LP |
1782 | break; |
1783 | ||
1784 | default: | |
e537352b | 1785 | break; |
e537352b LP |
1786 | } |
1787 | ||
1788 | } else if (mount->just_mounted || mount->just_changed) { | |
1789 | ||
fcd8b266 | 1790 | /* A mount point was added or changed */ |
e537352b LP |
1791 | |
1792 | switch (mount->state) { | |
1793 | ||
1794 | case MOUNT_DEAD: | |
fdf20a31 | 1795 | case MOUNT_FAILED: |
4b58153d LP |
1796 | |
1797 | /* This has just been mounted by somebody else, follow the state change, but let's | |
1798 | * generate a new invocation ID for this implicitly and automatically. */ | |
1799 | (void) unit_acquire_invocation_id(UNIT(mount)); | |
9d2f5178 | 1800 | mount_enter_mounted(mount, MOUNT_SUCCESS); |
e537352b LP |
1801 | break; |
1802 | ||
1803 | case MOUNT_MOUNTING: | |
5bcb0f2b | 1804 | mount_set_state(mount, MOUNT_MOUNTING_DONE); |
e537352b LP |
1805 | break; |
1806 | ||
1807 | default: | |
1808 | /* Nothing really changed, but let's | |
1809 | * issue an notification call | |
1810 | * nonetheless, in case somebody is | |
1811 | * waiting for this. (e.g. file system | |
1812 | * ro/rw remounts.) */ | |
1813 | mount_set_state(mount, mount->state); | |
1814 | break; | |
1815 | } | |
394763f6 | 1816 | } |
fcd8b266 | 1817 | |
11222d0f | 1818 | if (mount_is_mounted(mount) && |
394763f6 LP |
1819 | mount->from_proc_self_mountinfo && |
1820 | mount->parameters_proc_self_mountinfo.what) { | |
fcd8b266 | 1821 | |
394763f6 LP |
1822 | if (set_ensure_allocated(&around, &string_hash_ops) < 0 || |
1823 | set_put(around, mount->parameters_proc_self_mountinfo.what) < 0) | |
1824 | log_oom(); | |
e537352b LP |
1825 | } |
1826 | ||
1827 | /* Reset the flags for later calls */ | |
1828 | mount->is_mounted = mount->just_mounted = mount->just_changed = false; | |
1829 | } | |
718db961 | 1830 | |
fcd8b266 LP |
1831 | SET_FOREACH(what, gone, i) { |
1832 | if (set_contains(around, what)) | |
1833 | continue; | |
1834 | ||
1835 | /* Let the device units know that the device is no longer mounted */ | |
1836 | (void) device_found_node(m, what, false, DEVICE_FOUND_MOUNT, true); | |
1837 | } | |
1838 | ||
718db961 | 1839 | return 0; |
e537352b LP |
1840 | } |
1841 | ||
fdf20a31 | 1842 | static void mount_reset_failed(Unit *u) { |
5632e374 LP |
1843 | Mount *m = MOUNT(u); |
1844 | ||
1845 | assert(m); | |
1846 | ||
fdf20a31 | 1847 | if (m->state == MOUNT_FAILED) |
5632e374 LP |
1848 | mount_set_state(m, MOUNT_DEAD); |
1849 | ||
9d2f5178 LP |
1850 | m->result = MOUNT_SUCCESS; |
1851 | m->reload_result = MOUNT_SUCCESS; | |
5632e374 LP |
1852 | } |
1853 | ||
718db961 | 1854 | static int mount_kill(Unit *u, KillWho who, int signo, sd_bus_error *error) { |
814cc562 | 1855 | return unit_kill_common(u, who, signo, -1, MOUNT(u)->control_pid, error); |
8a0867d6 LP |
1856 | } |
1857 | ||
291d565a LP |
1858 | static int mount_control_pid(Unit *u) { |
1859 | Mount *m = MOUNT(u); | |
1860 | ||
1861 | assert(m); | |
1862 | ||
1863 | return m->control_pid; | |
1864 | } | |
1865 | ||
a16e1123 LP |
1866 | static const char* const mount_exec_command_table[_MOUNT_EXEC_COMMAND_MAX] = { |
1867 | [MOUNT_EXEC_MOUNT] = "ExecMount", | |
1868 | [MOUNT_EXEC_UNMOUNT] = "ExecUnmount", | |
1869 | [MOUNT_EXEC_REMOUNT] = "ExecRemount", | |
1870 | }; | |
1871 | ||
1872 | DEFINE_STRING_TABLE_LOOKUP(mount_exec_command, MountExecCommand); | |
1873 | ||
9d2f5178 LP |
1874 | static const char* const mount_result_table[_MOUNT_RESULT_MAX] = { |
1875 | [MOUNT_SUCCESS] = "success", | |
1876 | [MOUNT_FAILURE_RESOURCES] = "resources", | |
1877 | [MOUNT_FAILURE_TIMEOUT] = "timeout", | |
1878 | [MOUNT_FAILURE_EXIT_CODE] = "exit-code", | |
1879 | [MOUNT_FAILURE_SIGNAL] = "signal", | |
07299350 LP |
1880 | [MOUNT_FAILURE_CORE_DUMP] = "core-dump", |
1881 | [MOUNT_FAILURE_START_LIMIT_HIT] = "start-limit-hit", | |
9d2f5178 LP |
1882 | }; |
1883 | ||
1884 | DEFINE_STRING_TABLE_LOOKUP(mount_result, MountResult); | |
1885 | ||
87f0e418 | 1886 | const UnitVTable mount_vtable = { |
7d17cfbc | 1887 | .object_size = sizeof(Mount), |
718db961 LP |
1888 | .exec_context_offset = offsetof(Mount, exec_context), |
1889 | .cgroup_context_offset = offsetof(Mount, cgroup_context), | |
1890 | .kill_context_offset = offsetof(Mount, kill_context), | |
613b411c | 1891 | .exec_runtime_offset = offsetof(Mount, exec_runtime), |
29206d46 | 1892 | .dynamic_creds_offset = offsetof(Mount, dynamic_creds), |
3ef63c31 | 1893 | |
f975e971 LP |
1894 | .sections = |
1895 | "Unit\0" | |
1896 | "Mount\0" | |
1897 | "Install\0", | |
4ad49000 | 1898 | .private_section = "Mount", |
71645aca | 1899 | |
e537352b LP |
1900 | .init = mount_init, |
1901 | .load = mount_load, | |
034c6ed7 | 1902 | .done = mount_done, |
e537352b | 1903 | |
f50e0a01 LP |
1904 | .coldplug = mount_coldplug, |
1905 | ||
034c6ed7 | 1906 | .dump = mount_dump, |
5cb5a6ff | 1907 | |
e537352b LP |
1908 | .start = mount_start, |
1909 | .stop = mount_stop, | |
1910 | .reload = mount_reload, | |
1911 | ||
8a0867d6 LP |
1912 | .kill = mount_kill, |
1913 | ||
a16e1123 LP |
1914 | .serialize = mount_serialize, |
1915 | .deserialize_item = mount_deserialize_item, | |
1916 | ||
f50e0a01 | 1917 | .active_state = mount_active_state, |
10a94420 | 1918 | .sub_state_to_string = mount_sub_state_to_string, |
b08d03ff | 1919 | |
701cc384 LP |
1920 | .check_gc = mount_check_gc, |
1921 | ||
e537352b | 1922 | .sigchld_event = mount_sigchld_event, |
e537352b | 1923 | |
fdf20a31 | 1924 | .reset_failed = mount_reset_failed, |
291d565a LP |
1925 | |
1926 | .control_pid = mount_control_pid, | |
5632e374 | 1927 | |
718db961 | 1928 | .bus_vtable = bus_mount_vtable, |
74c964d3 LP |
1929 | .bus_set_property = bus_mount_set_property, |
1930 | .bus_commit_properties = bus_mount_commit_properties, | |
4139c1b2 | 1931 | |
68db7a3b ZJS |
1932 | .get_timeout = mount_get_timeout, |
1933 | ||
0e252f6b TG |
1934 | .can_transient = true, |
1935 | ||
f50e0a01 | 1936 | .enumerate = mount_enumerate, |
c6918296 MS |
1937 | .shutdown = mount_shutdown, |
1938 | ||
1939 | .status_message_formats = { | |
1940 | .starting_stopping = { | |
1941 | [0] = "Mounting %s...", | |
1942 | [1] = "Unmounting %s...", | |
1943 | }, | |
1944 | .finished_start_job = { | |
1945 | [JOB_DONE] = "Mounted %s.", | |
1946 | [JOB_FAILED] = "Failed to mount %s.", | |
c6918296 MS |
1947 | [JOB_TIMEOUT] = "Timed out mounting %s.", |
1948 | }, | |
1949 | .finished_stop_job = { | |
1950 | [JOB_DONE] = "Unmounted %s.", | |
1951 | [JOB_FAILED] = "Failed unmounting %s.", | |
1952 | [JOB_TIMEOUT] = "Timed out unmounting %s.", | |
1953 | }, | |
1954 | }, | |
5cb5a6ff | 1955 | }; |