return ret;
}
+/**
+ * Merge adjacent records in the freelist.
+ */
+static int tdb_freelist_merge_adjacent(struct tdb_context *tdb,
+ int *count_records, int *count_merged)
+{
+ tdb_off_t cur, next;
+ int count = 0;
+ int merged = 0;
+ int ret;
+
+ ret = tdb_lock(tdb, -1, F_RDLCK);
+ if (ret == -1) {
+ return -1;
+ }
+
+ cur = FREELIST_TOP;
+ while (tdb_ofs_read(tdb, cur, &next) == 0 && next != 0) {
+ tdb_off_t next2;
+
+ count++;
+
+ ret = check_merge_ptr_with_left_record(tdb, next, &next2);
+ if (ret == -1) {
+ goto done;
+ }
+ if (ret == 1) {
+ /*
+ * merged:
+ * now let cur->next point to next2 instead of next
+ */
+
+ ret = tdb_ofs_write(tdb, cur, &next2);
+ if (ret != 0) {
+ goto done;
+ }
+
+ next = next2;
+ merged++;
+ }
+
+ cur = next;
+ }
+
+ if (count_records != NULL) {
+ *count_records = count;
+ }
+
+ if (count_merged != NULL) {
+ *count_merged = merged;
+ }
+
+ ret = 0;
+
+done:
+ tdb_unlock(tdb, -1, F_RDLCK);
+ return ret;
+}
+
/*
return the size of the freelist - used to decide if we should repack
*/