int generator_write_initrd_root_device_deps(const char *dir, const char *what) {
_cleanup_free_ char *unit = NULL;
int r;
r = unit_name_from_path(what, ".device", &unit);
if (r < 0)
return log_error_errno(r, "Failed to make unit name from path: %m");
return write_drop_in_format(dir, SPECIAL_INITRD_ROOT_DEVICE_TARGET, 50, "root-device",
"# Automatically generated by %s\n\n"
"[Unit]\nRequires=%s\nAfter=%s",
program_invocation_short_name, unit, unit);
}
int generator_write_timeouts(
const char *dir,
const char *what,
const char *where,
const char *opts,
char **filtered) {
/* Allow configuration how long we wait for a device that
* backs a mount point to show up. This is useful to support
* endless device timeouts for devices that show up only after
* user input, like crypto devices. */
_cleanup_free_ char *node = NULL, *unit = NULL, *timeout = NULL;
usec_t u;
int r;
r = fstab_filter_options(opts, "comment=systemd.device-timeout\0"
"x-systemd.device-timeout\0",
NULL, &timeout, filtered);
if (r <= 0)
return r;
r = parse_sec_fix_0(timeout, &u);
if (r < 0) {
log_warning("Failed to parse timeout for %s, ignoring: %s", where, timeout);
return 0;
}
node = fstab_node_to_udev_node(what);
if (!node)
return log_oom();
if (!is_device_path(node)) {
log_warning("x-systemd.device-timeout ignored for %s", what);
return 0;
}
r = unit_name_from_path(node, ".device", &unit);
if (r < 0)
return log_error_errno(r, "Failed to make unit name from path: %m");
return write_drop_in_format(dir, unit, 50, "device-timeout",
"# Automatically generated by %s\n\n"
"[Unit]\n"
"JobRunningTimeoutSec=%s",
program_invocation_short_name,
timeout);
}
int generator_write_device_deps(
const char *dir,
const char *what,
const char *where,
const char *opts) {
/* fstab records that specify _netdev option should apply the network
* ordering on the actual device depending on network connection. If we
* are not mounting real device (NFS, CIFS), we rely on _netdev effect
* on the mount unit itself. */
_cleanup_free_ char *node = NULL, *unit = NULL;
int r;
if (!fstab_test_option(opts, "_netdev\0"))
return 0;
node = fstab_node_to_udev_node(what);
if (!node)
return log_oom();
/* Nothing to apply dependencies to. */
if (!is_device_path(node))
return 0;
r = unit_name_from_path(node, ".device", &unit);
if (r < 0)
return log_error_errno(r, "Failed to make unit name from path \"%s\": %m",
node);
/* See mount_add_default_dependencies for explanation why we create such
* dependencies. */
return write_drop_in_format(dir, unit, 50, "netdev-dependencies",
"# Automatically generated by %s\n\n"
"[Unit]\n"
"After=" SPECIAL_NETWORK_ONLINE_TARGET " " SPECIAL_NETWORK_TARGET "\n"
"Wants=" SPECIAL_NETWORK_ONLINE_TARGET "\n",
program_invocation_short_name);
}
