1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2014 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
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 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
27 #include "unit-name.h"
28 #include "generator.h"
29 #include "path-util.h"
30 #include "fstab-util.h"
34 static int write_fsck_sysroot_service(const char *dir
, const char *what
) {
36 _cleanup_free_
char *device
= NULL
;
37 _cleanup_fclose_
FILE *f
= NULL
;
40 unit
= strjoina(dir
, "/systemd-fsck-root.service");
41 log_debug("Creating %s", unit
);
43 r
= unit_name_from_path(what
, ".device", &device
);
45 return log_error_errno(r
, "Failed to convert device \"%s\" to unit name: %m", what
);
47 f
= fopen(unit
, "wxe");
49 return log_error_errno(errno
, "Failed to create unit file %s: %m", unit
);
52 "# Automatically generated by %1$s\n\n"
54 "Documentation=man:systemd-fsck-root.service(8)\n"
55 "Description=File System Check on %2$s\n"
56 "DefaultDependencies=no\n"
59 "Before=shutdown.target\n"
63 "RemainAfterExit=yes\n"
64 "ExecStart=/usr/lib/systemd/systemd-fsck %2$s\n"
66 program_invocation_short_name
,
70 r
= fflush_and_check(f
);
72 return log_error_errno(r
, "Failed to write unit file %s: %m", unit
);
77 int generator_write_fsck_deps(
91 if (!is_device_path(what
)) {
92 log_warning("Checking was requested for \"%s\", but it is not a device.", what
);
96 if (!isempty(fstype
) && !streq(fstype
, "auto")) {
97 r
= fsck_exists(fstype
);
99 /* treat missing check as essentially OK */
100 log_debug_errno(r
, "Checking was requested for %s, but fsck.%s does not exist: %m", what
, fstype
);
103 return log_warning_errno(r
, "Checking was requested for %s, but fsck.%s cannot be used: %m", what
, fstype
);
106 if (path_equal(where
, "/")) {
109 lnk
= strjoina(dir
, "/" SPECIAL_LOCAL_FS_TARGET
".wants/systemd-fsck-root.service");
111 mkdir_parents(lnk
, 0755);
112 if (symlink(SYSTEM_DATA_UNIT_PATH
"/systemd-fsck-root.service", lnk
) < 0)
113 return log_error_errno(errno
, "Failed to create symlink %s: %m", lnk
);
116 _cleanup_free_
char *_fsck
= NULL
;
119 if (in_initrd() && path_equal(where
, "/sysroot")) {
120 r
= write_fsck_sysroot_service(dir
, what
);
124 fsck
= "systemd-fsck-root.service";
126 r
= unit_name_from_path_instance("systemd-fsck", what
, ".service", &_fsck
);
128 return log_error_errno(r
, "Failed to create fsck service name: %m");
134 "RequiresOverridable=%1$s\n"
142 int generator_write_timeouts(
149 /* Allow configuration how long we wait for a device that
150 * backs a mount point to show up. This is useful to support
151 * endless device timeouts for devices that show up only after
152 * user input, like crypto devices. */
154 _cleanup_free_
char *node
= NULL
, *unit
= NULL
, *timeout
= NULL
;
158 r
= fstab_filter_options(opts
, "comment=systemd.device-timeout\0" "x-systemd.device-timeout\0",
159 NULL
, &timeout
, filtered
);
163 r
= parse_sec(timeout
, &u
);
165 log_warning("Failed to parse timeout for %s, ignoring: %s", where
, timeout
);
169 node
= fstab_node_to_udev_node(what
);
173 r
= unit_name_from_path(node
, ".device", &unit
);
175 return log_error_errno(r
, "Failed to make unit name from path: %m");
177 return write_drop_in_format(dir
, unit
, 50, "device-timeout",
178 "# Automatically generated by %s\n\n"
179 "[Unit]\nJobTimeoutSec=" USEC_FMT
,
180 program_invocation_short_name
,