Require partial option in lvchange --refresh for partials LVs.

We must not refresh LV if some PVs are missing and partial activation
was not requested.

Fixes https://bugzilla.redhat.com/show_bug.cgi?id=598886

WHATS_NEW

@@ -1,5 +1,6 @@
 Version 2.02.67 -
 ===============================
+  Require partial option in lvchange --refresh for partial LVs.
   Do not fail lvm_init() if init_logging() or _init_rand() generates an errno.
   Don't merge unchanged persistent cache file before dumping if tool scanned.
   Fix incorrect memory pool deallocation while using vg_read for files.

test/t-activate-partial.sh

@@ -9,6 +9,8 @@ disable_dev $dev1
 not vgreduce --removemissing $vg
 not lvchange -v -a y $vg/mirror
 lvchange -v --partial -a y $vg/mirror
+not lvchange -v --refresh $vg/mirror
+lvchange -v --refresh --partial $vg/mirror
 
 # also check that vgchange works
 vgchange -a n --partial $vg

tools/toollib.c

@@ -1248,6 +1248,12 @@ int lv_refresh(struct cmd_context *cmd, struct logical_volume *lv)
 {
 	int r = 0;
 
+	if (!cmd->partial_activation && (lv->status & PARTIAL_LV)) {
+		log_error("Refusing refresh of partial LV %s. Use --partial to override.",
+			  lv->name);
+		goto out;
+	}
+
 	r = suspend_lv(cmd, lv);
 	if (!r)
 		goto_out;