try_to_free_disk_space(): Explain what is going on.

[dss.git] / dss.c

diff --git a/dss.c b/dss.c
index 95c4c03ab1c3467aa33507b35f7e57cc81d4aea9..979ff132b04c30f233a7e05b59d05ea5b0e4ed07 100644 (file)
--- a/dss.c
+++ b/dss.c
@@ -606,6 +606,10 @@ static int try_to_free_disk_space(void)
                if (next_snapshot_is_due())
                        return 0;
        }
+       /*
+        * Idle and --keep_redundant not given, or low disk space. Look at
+        * existing snapshots.
+        */
        dss_get_snapshot_list(&sl);
        ret = 0;
        if (!low_disk_space && sl.num_snapshots <= 1)
@@ -1524,6 +1528,7 @@ int main(int argc, char **argv)
        if (ret < 0)
                goto out;
        ret = call_command_handler();
+       signal_shutdown();
 out:
        if (ret < 0)
                DSS_EMERG_LOG(("%s\n", dss_strerror(-ret)));