From: Heinz Mauelshagen <heinzm@redhat.com>
Date: Mon, 19 Jun 2017 19:08:52 +0000 (+0200)
Subject: lvconvert: disable conversion of RAID LV under snapshot
X-Git-Tag: v2_02_172~76
X-Git-Url: https://sourceware.org/git/?a=commitdiff_plain;h=f342e803ba3c32890a2b08736fa94bdd541d5e9c;p=lvm2.git

lvconvert: disable conversion of RAID LV under snapshot

Disable until we have a proper fix for reshape space allocation,
switching it to begin/end of rimages and activation.

Related: rhbz1439399
---

diff --git a/lib/metadata/raid_manip.c b/lib/metadata/raid_manip.c
index 6abf48256..0a08ca94b 100644
--- a/lib/metadata/raid_manip.c
+++ b/lib/metadata/raid_manip.c
@@ -6312,6 +6312,12 @@ int lv_raid_convert(struct logical_volume *lv,
 					 new_stripes, new_stripe_size_supplied))
 		return _log_possible_conversion_types(lv, new_segtype);
 
+	/* BZ1439399 */
+	if (lv_is_origin(lv)) {
+		log_error("Can't convert %s under snapshot.", display_lvname(lv));
+		return 0;
+	}
+
 	/*
 	 * reshape of capable raid type requested
 	 */