tdb2: add TDB_COALESCING_MAGIC to solve coalescing race.

[ccan] / ccan / tdb2 / summary.c

diff --git a/ccan/tdb2/summary.c b/ccan/tdb2/summary.c
index e9f986e7727a4775928617256ed65e11e0dbaa5c..52103ea6b5247672ef24f808a97a1a99f4153466 100644 (file)
--- a/ccan/tdb2/summary.c
+++ b/ccan/tdb2/summary.c
@@ -89,7 +89,7 @@ static tdb_len_t summarize_zone(struct tdb_context *tdb, tdb_off_t zone_off,
                p = tdb_get(tdb, off, &pad, sizeof(pad));
                if (!p)
                        return TDB_OFF_ERR;
-               if (frec_magic(&p->f) == TDB_FREE_MAGIC) {
+               if (rec_magic(&p->u) != TDB_MAGIC) {
                        len = p->f.data_len;
                        tally_add(free, len);
                        bucketlen[size_to_bucket(frec_zone_bits(&p->f), len)]++;