From: Zdenek Kabelac <zkabelac@redhat.com>
Date: Mon, 5 Mar 2018 11:54:39 +0000 (+0100)
Subject: lvcreate: fix activation of cached LV
X-Git-Tag: v2_02_178-rc1~180
X-Git-Url: https://sourceware.org/git/?a=commitdiff_plain;h=23de09aeb87ec10bd1a553ea8868e2f946117232;p=lvm2.git

lvcreate: fix activation of cached LV

Since LV for caching can be already a stacked LV, proper activation
needs to use lock holding LV.
---

diff --git a/WHATS_NEW b/WHATS_NEW
index 49b995e29..3ed3e5a20 100644
--- a/WHATS_NEW
+++ b/WHATS_NEW
@@ -1,5 +1,6 @@
 Version 2.02.178 - 
 =====================================
+  Activate correct lock holding LV when it is cached.
   Do not modify archived metadata when removing striped raid.
   Fix memleak on error path when obtaining lv_raid_data_offset.
   Fix compatibility size test of extended external origin.
diff --git a/tools/lvcreate.c b/tools/lvcreate.c
index 7f86a3731..e901968d7 100644
--- a/tools/lvcreate.c
+++ b/tools/lvcreate.c
@@ -1222,6 +1222,8 @@ static int _determine_cache_argument(struct volume_group *vg,
 			return_0; /* FIXME */
 
 		/* Put origin into resulting activation state first */
+		lv = (struct logical_volume *)lv_lock_holder(lv);
+
 		if (is_change_activating(lp->activate)) {
 			if ((lp->activate == CHANGE_AAY) &&
 			    !lv_passes_auto_activation_filter(cmd, lv)) {