[lvm-devel] main - lvconvert: VDO kernel support before converting
Zdenek Kabelac
zkabelac at sourceware.org
Wed Feb 17 10:54:41 UTC 2021
Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=a7cb25c877ad70c48fa66258f8e3f2157e2e2be5
Commit: a7cb25c877ad70c48fa66258f8e3f2157e2e2be5
Parent: a915cd5a46dca80bb1ce981a2ee923b8e813d887
Author: Zdenek Kabelac <zkabelac at redhat.com>
AuthorDate: Wed Feb 17 11:13:19 2021 +0100
Committer: Zdenek Kabelac <zkabelac at redhat.com>
CommitterDate: Wed Feb 17 11:21:35 2021 +0100
lvconvert: VDO kernel support before converting
Early check for kernel support of VDO target before starting any
conversion work.
---
tools/lvconvert.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/tools/lvconvert.c b/tools/lvconvert.c
index ef31799fa..8bd73bb53 100644
--- a/tools/lvconvert.c
+++ b/tools/lvconvert.c
@@ -5472,6 +5472,14 @@ static int _lvconvert_to_vdopool_single(struct cmd_context *cmd,
if (!(lvc.segtype = get_segtype_from_string(cmd, SEG_TYPE_NAME_VDO)))
return_0;
+ if (activation() && lvc.segtype->ops->target_present) {
+ if (!lvc.segtype->ops->target_present(cmd, NULL, &lvc.target_attr)) {
+ log_error("%s: Required device-mapper target(s) not detected in your kernel.",
+ lvc.segtype->name);
+ return 0;
+ }
+ }
+
if (vg_is_shared(vg)) {
/* FIXME: need to swap locks betwen LVs? */
log_error("Unable to convert VDO pool in VG with lock_type %s", vg->lock_type);
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