tdb2: don't hold access to tdb mmap during traverse.

[ccan] / ccan / tdb2 / free.c

diff --git a/ccan/tdb2/free.c b/ccan/tdb2/free.c
index 565bc69e03570d5393dd45c0dcec43f8cf7a2ef5..361171902680ece2441e698a3b960df6ddb781de 100644 (file)
--- a/ccan/tdb2/free.c
+++ b/ccan/tdb2/free.c
@@ -164,13 +164,10 @@ tdb_off_t bucket_off(tdb_off_t zone_off, tdb_off_t bucket)
 /* Returns free_buckets + 1, or list number to search. */
 static tdb_off_t find_free_head(struct tdb_context *tdb, tdb_off_t bucket)
 {
-       tdb_off_t b;
-
        /* Speculatively search for a non-zero bucket. */
-       b = tdb_find_nonzero_off(tdb, bucket_off(tdb->zone_off, bucket),
-                                BUCKETS_FOR_ZONE(tdb->zhdr.zone_bits) + 1
-                                - bucket);
-       return bucket + b;
+       return tdb_find_nonzero_off(tdb, bucket_off(tdb->zone_off, 0),
+                                   bucket,
+                                   BUCKETS_FOR_ZONE(tdb->zhdr.zone_bits) + 1);
 }
 
 /* Remove from free bucket. */