[lvm-devel] master - lvconvert: require different LV for pool
David Teigland
teigland at sourceware.org
Tue Apr 11 17:19:20 UTC 2017
Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=04d7444afa88f1f4e56065888124fff775a5638f
Commit: 04d7444afa88f1f4e56065888124fff775a5638f
Parent: a96c8b46b62c316381eb029416b92197d9cfa4de
Author: David Teigland <teigland at redhat.com>
AuthorDate: Tue Apr 11 12:15:10 2017 -0500
Committer: David Teigland <teigland at redhat.com>
CommitterDate: Tue Apr 11 12:17:14 2017 -0500
lvconvert: require different LV for pool
When convering an LV to a cache or thin LV, require
that an LV being converted to cache pool or thin pool
at the same time be a different LV.
---
tools/lvconvert.c | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/tools/lvconvert.c b/tools/lvconvert.c
index c18b5a4..f4ee660 100644
--- a/tools/lvconvert.c
+++ b/tools/lvconvert.c
@@ -3826,6 +3826,12 @@ static int _lvconvert_to_cache_vol_single(struct cmd_context *cmd,
goto out;
}
+ if (cachepool_lv == lv) {
+ log_error("Use a different LV for cache pool LV and cache LV %s.",
+ display_lvname(cachepool_lv));
+ goto out;
+ }
+
if (!_lvconvert_to_pool(cmd, cachepool_lv, lv, 0, 1, &vg->pvs)) {
log_error("LV %s could not be converted to a cache pool.",
display_lvname(cachepool_lv));
@@ -3924,6 +3930,12 @@ static int _lvconvert_to_thin_with_external_single(struct cmd_context *cmd,
goto out;
}
+ if (thinpool_lv == lv) {
+ log_error("Use a different LV for thin pool LV and thin LV %s.",
+ display_lvname(thinpool_lv));
+ goto out;
+ }
+
if (!_lvconvert_to_pool(cmd, thinpool_lv, lv, 1, 0, &vg->pvs)) {
log_error("LV %s could not be converted to a thin pool.",
display_lvname(thinpool_lv));
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