-static int continue_via_systemd(char *devnm)
-{
- int skipped, i, pid, status;
- char pathbuf[1024];
- /* In a systemd/udev world, it is best to get systemd to
- * run "mdadm --grow --continue" rather than running in the
- * background.
- */
- switch(fork()) {
- case 0:
- /* FIXME yuk. CLOSE_EXEC?? */
- skipped = 0;
- for (i = 3; skipped < 20; i++)
- if (close(i) < 0)
- skipped++;
- else
- skipped = 0;
-
- /* Don't want to see error messages from
- * systemctl. If the service doesn't exist,
- * we fork ourselves.
- */
- close(2);
- open("/dev/null", O_WRONLY);
- snprintf(pathbuf, sizeof(pathbuf), "mdadm-grow-continue@%s.service",
- devnm);
- status = execl("/usr/bin/systemctl", "systemctl",
- "start",
- pathbuf, NULL);
- status = execl("/bin/systemctl", "systemctl", "start",
- pathbuf, NULL);
- exit(1);
- case -1: /* Just do it ourselves. */
- break;
- default: /* parent - good */
- pid = wait(&status);
- if (pid >= 0 && status == 0)
- return 1;
- }
- return 0;
-}
-