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-rw-r--r--src/shared/generator.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/src/shared/generator.c b/src/shared/generator.c
index dcfddaa731..762033bbdf 100644
--- a/src/shared/generator.c
+++ b/src/shared/generator.c
@@ -28,6 +28,7 @@
#include "unit-name.h"
#include "generator.h"
#include "path-util.h"
+#include "dropin.h"
int generator_write_fsck_deps(
FILE *f,
@@ -86,3 +87,59 @@ int generator_write_fsck_deps(
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, *t = NULL;
+ char *prefix, *start, *timeout, *postfix;
+ usec_t u;
+ int r;
+ size_t len;
+
+ if ((start = mount_test_option(opts, "comment=systemd.device-timeout")))
+ timeout = start + 31;
+ else if ((start = mount_test_option(opts, "x-systemd.device-timeout")))
+ timeout = start + 25;
+ else {
+ *filtered = strdup(opts);
+ if (!*filtered)
+ return log_oom();
+
+ return 0;
+ }
+
+ len = strcspn(timeout, ",;" WHITESPACE);
+ t = strndup(timeout, len);
+ if (!t)
+ return -ENOMEM;
+
+ prefix = strndupa(opts, start - opts - (start != opts));
+ postfix = timeout + len + (timeout[len] != '\0');
+ *filtered = strjoin(prefix, *postfix ? postfix : NULL, NULL);
+ if (!*filtered)
+ return log_oom();
+
+ r = parse_sec(t, &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 -ENOMEM;
+
+ return write_drop_in_format(dir, unit, "device-timeout",
+ "[Unit]\nJobTimeoutSec=%u", u / USEC_PER_SEC);
+}