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WHATS_NEW | 1 +
lib/activate/dev_manager.c | 5 +++++
2 files changed, 6 insertions(+)
diff --git a/WHATS_NEW b/WHATS_NEW
index d1f4530..00b84f9 100644
--- a/WHATS_NEW
+++ b/WHATS_NEW
@@ -2,6 +2,7 @@ Version 2.02.187 -
===================================
Prevent creating VGs with PVs with different logical block sizes.
Pvmove runs in exlusively activating mode for exclusively active LVs.
+ Activate thin-pool layered volume as 'read-only' device.
Enhance validation for thin and cache pool conversion and swapping.
Version 2.02.186 - 27th August 2019
diff --git a/lib/activate/dev_manager.c b/lib/activate/dev_manager.c
index dc64159..56608e3 100644
--- a/lib/activate/dev_manager.c
+++ b/lib/activate/dev_manager.c
@@ -84,6 +84,11 @@ int read_only_lv(const struct logical_volume *lv, const struct lv_activate_opts
if (lv_is_raid_image(lv) || lv_is_raid_metadata(lv))
return 0; /* Keep RAID SubLvs writable */
+ if (!layer) {
+ if (lv_is_thin_pool(lv))
+ return 1;
+ }
+
return (laopts->read_only || !(lv->status & LVM_WRITE));
}