Include the reason why a snapshot gets removed in the log message.

diff --git a/dss.c b/dss.c
index 82cdc94abd157eb750f7f050bc494e86fa5ef95d..ad62c3c04bdb1f937b41d07a860a0007589e3fe4 100644 (file)
--- a/dss.c
+++ b/dss.c
@@ -192,7 +192,7 @@ out:
 }
 
 
-static int remove_snapshot(struct snapshot *s)
+static int remove_snapshot(struct snapshot *s, char *why)
 {
        int fds[3] = {0, 0, 0};
        assert(!rm_pid);
@@ -202,7 +202,8 @@ static int remove_snapshot(struct snapshot *s)
 
        if (ret < 0)
                goto out;
-       DSS_NOTICE_LOG("removing %s (interval = %i)\n", s->name, s->interval);
+       DSS_NOTICE_LOG("removing %s snapshot %s (interval = %i)\n",
+               why, s->name, s->interval);
        ret = dss_exec(&rm_pid, argv[0], argv, fds);
 out:
        free(new_name);
@@ -271,7 +272,7 @@ static int remove_redundant_snapshot(struct snapshot_list *sl)
                                victim->name, victim->interval);
                        continue;
                }
-               ret = remove_snapshot(victim);
+               ret = remove_snapshot(victim, "redundant");
                return ret < 0? ret : 1;
        }
        return 0;
@@ -294,7 +295,7 @@ static int remove_outdated_snapshot(struct snapshot_list *sl)
                                s->name, s->interval);
                        continue;
                }
-               ret = remove_snapshot(s);
+               ret = remove_snapshot(s, "outdated");
                if (ret < 0)
                        return ret;
                return 1;
@@ -311,7 +312,7 @@ static int remove_oldest_snapshot(struct snapshot_list *sl)
        DSS_INFO_LOG("oldest snapshot: %s\n", s->name);
        if (snapshot_is_being_created(s))
                return 0;
-       return remove_snapshot(s);
+       return remove_snapshot(s, "oldest");
 }
 
 static int rename_incomplete_snapshot(int64_t start)