[lvm-devel] stable-2.02 - raid: more limitted prohibition of stacked raid usage
Zdenek Kabelac
zkabelac at sourceware.org
Mon Jan 20 14:22:48 UTC 2020
Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=f8ef0307372f13e1a5e74bd5741898f343c520bd
Commit: f8ef0307372f13e1a5e74bd5741898f343c520bd
Parent: c66e01569862a421d137eedbf9e6abe4e1152853
Author: Zdenek Kabelac <zkabelac at redhat.com>
AuthorDate: Thu Jan 16 16:43:55 2020 +0100
Committer: Zdenek Kabelac <zkabelac at redhat.com>
CommitterDate: Mon Jan 20 15:21:38 2020 +0100
raid: more limitted prohibition of stacked raid usage
We actually need to prohibit only reshaping cases which are
running over multiple commands.
---
lib/metadata/raid_manip.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/lib/metadata/raid_manip.c b/lib/metadata/raid_manip.c
index 548faf1..0b0c091 100644
--- a/lib/metadata/raid_manip.c
+++ b/lib/metadata/raid_manip.c
@@ -6216,6 +6216,13 @@ static int _set_convenient_raid145610_segtype_to(const struct lv_segment *seg_fr
if (seg_flag) {
if (!(*segtype = get_segtype_from_flag(cmd, seg_flag)))
return_0;
+
+ /* FIXME Can't reshape volume in use - aka not toplevel devices */
+ if (!dm_list_empty(&seg_from->lv->segs_using_this_lv)) {
+ log_error("Can't reshape stacked volume %s.", display_lvname(seg_from->lv));
+ return 0;
+ }
+
if (segtype_sav != *segtype) {
log_warn("Replaced LV type %s%s with possible type %s.",
segtype_sav->name, _get_segtype_alias_str(seg_from->lv, segtype_sav),
@@ -6444,12 +6451,6 @@ int lv_raid_convert(struct logical_volume *lv,
uint32_t available_slvs, removed_slvs;
takeover_fn_t takeover_fn;
- /* FIXME Can't reshape volume in use - aka not toplevel devices */
- if (!dm_list_empty(&lv->segs_using_this_lv)) {
- log_error("Can't reshape stacked volume %s.", display_lvname(lv));
- return 0;
- }
-
/* FIXME If not active, prompt and activate */
/* FIXME Some operations do not require the LV to be active */
/* LV must be active to perform raid conversion operations */
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