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-rw-r--r--include/sys/spa_impl.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/sys/spa_impl.h b/include/sys/spa_impl.h
index 72e04e8cf..19ba11537 100644
--- a/include/sys/spa_impl.h
+++ b/include/sys/spa_impl.h
@@ -236,6 +236,7 @@ struct spa {
uint64_t spa_feat_for_read_obj; /* required to read from pool */
uint64_t spa_feat_desc_obj; /* Feature descriptions */
uint64_t spa_feat_enabled_txg_obj; /* Feature enabled txg */
+ kmutex_t spa_feat_stats_lock; /* protects spa_feat_stats */
nvlist_t *spa_feat_stats; /* Cache of enabled features */
/* cache feature refcounts */
uint64_t spa_feat_refcount_cache[SPA_FEATURES];