--- a/usr/src/uts/common/fs/zfs/zio.c	Fri May 21 15:05:41 2010 -0700
+++ b/usr/src/uts/common/fs/zfs/zio.c	Fri May 21 17:29:22 2010 -0700
@@ -652,7 +652,7 @@
 void
 zio_free(spa_t *spa, uint64_t txg, const blkptr_t *bp)
 {
-	bplist_enqueue_deferred(&spa->spa_free_bplist[txg & TXG_MASK], bp);
+	bplist_append(&spa->spa_free_bplist[txg & TXG_MASK], bp);
 }
 
 zio_t *