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Diffstat (limited to 'drivers/md/persistent-data/dm-btree-internal.h')
-rw-r--r--drivers/md/persistent-data/dm-btree-internal.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/persistent-data/dm-btree-internal.h b/drivers/md/persistent-data/dm-btree-internal.h
index 7ed2ce656fcc..acebd32858a7 100644
--- a/drivers/md/persistent-data/dm-btree-internal.h
+++ b/drivers/md/persistent-data/dm-btree-internal.h
@@ -138,7 +138,7 @@ static inline uint64_t value64(struct btree_node *n, uint32_t index)
*/
int lower_bound(struct btree_node *n, uint64_t key);
-extern struct dm_block_validator btree_node_validator;
+extern const struct dm_block_validator btree_node_validator;
/*
* Value type for upper levels of multi-level btrees.