Introduce prune --disk-space.

[dss.git] / dss.c

diff --git a/dss.c b/dss.c
index e2ee7dd66e511199c42821cbc32cf0a8ddf727ad..4396e6e5975c79d2806aa39625fea99d23a2ee90 100644 (file)
--- a/dss.c
+++ b/dss.c
@@ -1660,14 +1660,21 @@ static int com_prune(void)
        struct snapshot *victim;
        struct disk_space ds;
        char *why;
+       bool try_hard;
 
        lock_dss_or_die();
-       ret = get_disk_space(".", &ds);
-       if (ret < 0)
-               return ret;
-       log_disk_space(&ds);
+       switch (OPT_UINT32_VAL(PRUNE, DISK_SPACE)) {
+       case FDS_LOW: try_hard = true; break;
+       case FDS_HIGH: try_hard = false; break;
+       default:
+               ret = get_disk_space(".", &ds);
+               if (ret < 0)
+                       return ret;
+               log_disk_space(&ds);
+               try_hard = disk_space_low(&ds);
+       }
        dss_get_snapshot_list(&sl);
-       victim = find_removable_snapshot(&sl, disk_space_low(&ds), &why);
+       victim = find_removable_snapshot(&sl, try_hard, &why);
        if (!victim) {
                dss_msg("nothing to prune\n");
                ret = 0;