MFC r260181:

Fix build on platforms where atomic_swap_64 is not available.
2014-03-20 00:05:23 +00:00 · 2014-03-20 00:05:23 +00:00 · 5cc12e5eaf
commit 5cc12e5eaf
parent e5948aa6c8
1 changed files with 4 additions and 0 deletions
--- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfeature.c
+++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfeature.c
@ -312,8 +312,12 @@ feature_sync(spa_t *spa, zfeature_info_t *feature, uint64_t refcount,
 	if (feature->fi_feature != SPA_FEATURE_NONE) {
 		uint64_t *refcount_cache =
 		    &spa->spa_feat_refcount_cache[feature->fi_feature];
+#ifdef atomic_swap_64
 		VERIFY3U(*refcount_cache, ==,
 		    atomic_swap_64(refcount_cache, refcount));
+#else
+		*refcount_cache = refcount;
+#endif
 	}

 	if (refcount == 0)