This source file includes following definitions.
- generator_write_fsck_deps
- generator_write_timeouts
#include <string.h>
#include <unistd.h>
#include "util.h"
#include "special.h"
#include "mkdir.h"
#include "unit-name.h"
#include "generator.h"
#include "path-util.h"
#include "fstab-util.h"
#include "dropin.h"
int generator_write_fsck_deps(
FILE *f,
const char *dest,
const char *what,
const char *where,
const char *fstype) {
assert(f);
assert(dest);
assert(what);
assert(where);
if (!is_device_path(what)) {
log_warning("Checking was requested for \"%s\", but it is not a device.", what);
return 0;
}
if (!isempty(fstype) && !streq(fstype, "auto")) {
int r;
r = fsck_exists(fstype);
if (r == -ENOENT) {
log_debug("Checking was requested for %s, but fsck.%s does not exist: %s", what, fstype, strerror(-r));
return 0;
} else if (r < 0) {
log_warning("Checking was requested for %s, but fsck.%s cannot be used: %s", what, fstype, strerror(-r));
return r;
}
}
if (streq(where, "/")) {
char *lnk;
lnk = strappenda(dest, "/" SPECIAL_LOCAL_FS_TARGET ".wants/systemd-fsck-root.service");
mkdir_parents(lnk, 0755);
if (symlink(SYSTEM_DATA_UNIT_PATH "/systemd-fsck-root.service", lnk) < 0) {
log_error("Failed to create symlink %s: %m", lnk);
return -errno;
}
} else {
_cleanup_free_ char *fsck = NULL;
fsck = unit_name_from_path_instance("systemd-fsck", what, ".service");
if (!fsck)
return log_oom();
fprintf(f,
"RequiresOverridable=%s\n"
"After=%s\n",
fsck,
fsck);
}
return 0;
}
int generator_write_timeouts(const char *dir, const char *what, const char *where,
const char *opts, char **filtered) {
_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(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();
unit = unit_name_from_path(node, ".device");
if (!unit)
return log_oom();
return write_drop_in_format(dir, unit, 50, "device-timeout",
"# Automatically generated by %s\n\n"
"[Unit]\nJobTimeoutSec=" USEC_FMT,
program_invocation_short_name,
u / USEC_PER_SEC);
}