Restore statfile resize logic.

diff --git a/src/libstat/backends/mmaped_file.c b/src/libstat/backends/mmaped_file.c
index 2769bba8a79cc983ac87c2090b95f783e01a3099..43baaa67ca3a787dd4703062e553680797362c68 100644 (file)
--- a/src/libstat/backends/mmaped_file.c
+++ b/src/libstat/backends/mmaped_file.c
@@ -338,6 +338,18 @@ rspamd_mmaped_file_open (rspamd_mmaped_file_ctx * pool,
        }
 
        rspamd_mempool_lock_mutex (pool->lock);
+       if (!forced &&
+               labs (size - st.st_size) > (long)sizeof (struct stat_file) * 2
+               && size > sizeof (struct stat_file)) {
+               rspamd_mempool_unlock_mutex (pool->lock);
+               msg_warn ("need to reindex statfile old size: %Hz, new size: %Hz",
+                       (size_t)st.st_size, size);
+               return rspamd_mmaped_file_reindex (pool, filename, st.st_size, size);
+       }
+       else if (size < sizeof (struct stat_file)) {
+               msg_err ("requested to shrink statfile to %Hz but it is too small",
+                       size);
+       }
 
        new_file = g_slice_alloc0 (sizeof (rspamd_mmaped_file_t));
        if ((new_file->fd = open (filename, O_RDWR)) == -1) {