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 "fstab-util.h"
29 #include "path-util.h"
31 #include "unit-name.h"
33 #include "generator.h"
35 static int write_fsck_sysroot_service(const char *dir
, const char *what
) {
36 _cleanup_free_
char *device
= NULL
, *escaped
= NULL
;
37 _cleanup_fclose_
FILE *f
= NULL
;
41 escaped
= cescape(what
);
45 unit
= strjoina(dir
, "/systemd-fsck-root.service");
46 log_debug("Creating %s", unit
);
48 r
= unit_name_from_path(what
, ".device", &device
);
50 return log_error_errno(r
, "Failed to convert device \"%s\" to unit name: %m", what
);
52 f
= fopen(unit
, "wxe");
54 return log_error_errno(errno
, "Failed to create unit file %s: %m", unit
);
57 "# Automatically generated by %1$s\n\n"
59 "Documentation=man:systemd-fsck-root.service(8)\n"
60 "Description=File System Check on %2$s\n"
61 "DefaultDependencies=no\n"
64 "Before=shutdown.target\n"
68 "RemainAfterExit=yes\n"
69 "ExecStart=" SYSTEMD_FSCK_PATH
" %4$s\n"
71 program_invocation_short_name
,
76 r
= fflush_and_check(f
);
78 return log_error_errno(r
, "Failed to write unit file %s: %m", unit
);
83 int generator_write_fsck_deps(
97 if (!is_device_path(what
)) {
98 log_warning("Checking was requested for \"%s\", but it is not a device.", what
);
102 if (!isempty(fstype
) && !streq(fstype
, "auto")) {
103 r
= fsck_exists(fstype
);
105 log_warning_errno(r
, "Checking was requested for %s, but couldn't detect if fsck.%s may be used, proceeding: %m", what
, fstype
);
107 /* treat missing check as essentially OK */
108 log_debug("Checking was requested for %s, but fsck.%s does not exist.", what
, fstype
);
113 if (path_equal(where
, "/")) {
116 lnk
= strjoina(dir
, "/" SPECIAL_LOCAL_FS_TARGET
".wants/systemd-fsck-root.service");
118 mkdir_parents(lnk
, 0755);
119 if (symlink(SYSTEM_DATA_UNIT_PATH
"/systemd-fsck-root.service", lnk
) < 0)
120 return log_error_errno(errno
, "Failed to create symlink %s: %m", lnk
);
123 _cleanup_free_
char *_fsck
= NULL
;
126 if (in_initrd() && path_equal(where
, "/sysroot")) {
127 r
= write_fsck_sysroot_service(dir
, what
);
131 fsck
= "systemd-fsck-root.service";
133 r
= unit_name_from_path_instance("systemd-fsck", what
, ".service", &_fsck
);
135 return log_error_errno(r
, "Failed to create fsck service name: %m");
141 "RequiresOverridable=%1$s\n"
149 int generator_write_timeouts(
156 /* Allow configuration how long we wait for a device that
157 * backs a mount point to show up. This is useful to support
158 * endless device timeouts for devices that show up only after
159 * user input, like crypto devices. */
161 _cleanup_free_
char *node
= NULL
, *unit
= NULL
, *timeout
= NULL
;
165 r
= fstab_filter_options(opts
, "comment=systemd.device-timeout\0" "x-systemd.device-timeout\0",
166 NULL
, &timeout
, filtered
);
170 r
= parse_sec(timeout
, &u
);
172 log_warning("Failed to parse timeout for %s, ignoring: %s", where
, timeout
);
176 node
= fstab_node_to_udev_node(what
);
180 r
= unit_name_from_path(node
, ".device", &unit
);
182 return log_error_errno(r
, "Failed to make unit name from path: %m");
184 return write_drop_in_format(dir
, unit
, 50, "device-timeout",
185 "# Automatically generated by %s\n\n"
186 "[Unit]\nJobTimeoutSec=" USEC_FMT
,
187 program_invocation_short_name
,