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authordelphij <delphij@FreeBSD.org>2014-03-20 00:05:23 +0000
committerdelphij <delphij@FreeBSD.org>2014-03-20 00:05:23 +0000
commit5cc12e5eafe8e508a56b55169b83b862188a78a8 (patch)
tree29b1936aef8dd78cc2cbd94e6a42d4702fa2570d
parente5948aa6c84c3b3417fa313985e746af7672af7e (diff)
downloadFreeBSD-src-5cc12e5eafe8e508a56b55169b83b862188a78a8.zip
FreeBSD-src-5cc12e5eafe8e508a56b55169b83b862188a78a8.tar.gz
MFC r260181:
Fix build on platforms where atomic_swap_64 is not available.
-rw-r--r--sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfeature.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfeature.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfeature.c
index e69fcd3..7540320 100644
--- 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)
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