along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#include <string.h>
#include <unistd.h>
#include "util.h"
#include "unit-name.h"
#include "generator.h"
#include "path-util.h"
+#include "fstab-util.h"
+#include "fileio.h"
+#include "dropin.h"
+
+static int write_fsck_sysroot_service(const char *dir, const char *what) {
+ const char *unit;
+ _cleanup_free_ char *device = NULL;
+ _cleanup_free_ char *escaped;
+ _cleanup_fclose_ FILE *f = NULL;
+ int r;
+
+ escaped = cescape(what);
+ if (!escaped)
+ return log_oom();
+
+ unit = strjoina(dir, "/systemd-fsck-root.service");
+ log_debug("Creating %s", unit);
+
+ r = unit_name_from_path(what, ".device", &device);
+ if (r < 0)
+ return log_error_errno(r, "Failed to convert device \"%s\" to unit name: %m", what);
+
+ f = fopen(unit, "wxe");
+ if (!f)
+ return log_error_errno(errno, "Failed to create unit file %s: %m", unit);
+
+ fprintf(f,
+ "# Automatically generated by %1$s\n\n"
+ "[Unit]\n"
+ "Documentation=man:systemd-fsck-root.service(8)\n"
+ "Description=File System Check on %2$s\n"
+ "DefaultDependencies=no\n"
+ "BindsTo=%3$s\n"
+ "After=%3$s\n"
+ "Before=shutdown.target\n"
+ "\n"
+ "[Service]\n"
+ "Type=oneshot\n"
+ "RemainAfterExit=yes\n"
+ "ExecStart=" SYSTEMD_FSCK_PATH " %4$s\n"
+ "TimeoutSec=0\n",
+ program_invocation_short_name,
+ what,
+ device,
+ escaped);
+
+ r = fflush_and_check(f);
+ if (r < 0)
+ return log_error_errno(r, "Failed to write unit file %s: %m", unit);
+
+ return 0;
+}
int generator_write_fsck_deps(
FILE *f,
- const char *dest,
+ const char *dir,
const char *what,
const char *where,
const char *fstype) {
+ int r;
+
assert(f);
- assert(dest);
+ assert(dir);
assert(what);
assert(where);
}
if (!isempty(fstype) && !streq(fstype, "auto")) {
- int r;
r = fsck_exists(fstype);
if (r == -ENOENT) {
/* treat missing check as essentially OK */
- log_debug("Checking was requested for %s, but fsck.%s does not exist: %s", what, fstype, strerror(-r));
+ log_debug_errno(r, "Checking was requested for %s, but fsck.%s does not exist: %m", what, fstype);
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;
- }
+ } else if (r < 0)
+ return log_warning_errno(r, "Checking was requested for %s, but fsck.%s cannot be used: %m", what, fstype);
}
- if (streq(where, "/")) {
+ if (path_equal(where, "/")) {
char *lnk;
- lnk = strappenda(dest, "/" SPECIAL_LOCAL_FS_TARGET ".wants/systemd-fsck-root.service");
+ lnk = strjoina(dir, "/" 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;
- }
+ if (symlink(SYSTEM_DATA_UNIT_PATH "/systemd-fsck-root.service", lnk) < 0)
+ return log_error_errno(errno, "Failed to create symlink %s: %m", lnk);
} else {
- _cleanup_free_ char *fsck = NULL;
+ _cleanup_free_ char *_fsck = NULL;
+ const char *fsck;
+
+ if (in_initrd() && path_equal(where, "/sysroot")) {
+ r = write_fsck_sysroot_service(dir, what);
+ if (r < 0)
+ return r;
- fsck = unit_name_from_path_instance("systemd-fsck", what, ".service");
- if (!fsck)
- return log_oom();
+ fsck = "systemd-fsck-root.service";
+ } else {
+ r = unit_name_from_path_instance("systemd-fsck", what, ".service", &_fsck);
+ if (r < 0)
+ return log_error_errno(r, "Failed to create fsck service name: %m");
+
+ fsck = _fsck;
+ }
fprintf(f,
- "RequiresOverridable=%s\n"
- "After=%s\n",
- fsck,
+ "RequiresOverridable=%1$s\n"
+ "After=%1$s\n",
fsck);
}
return 0;
}
+
+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(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();
+
+ 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]\nJobTimeoutSec=" USEC_FMT,
+ program_invocation_short_name,
+ u / USEC_PER_SEC);
+}