lib-index: Fix to transaction log read optimization.

The log wasn't always refreshed while locked when it should have.

diff --git a/src/lib-index/mail-transaction-log-file.c b/src/lib-index/mail-transaction-log-file.c
index 1196a08c923a224dd00880e76c7e2db94217806d..823812a983ab4bfc26b4672d9a8a222238c6578b 100644 (file)
--- a/src/lib-index/mail-transaction-log-file.c
+++ b/src/lib-index/mail-transaction-log-file.c
@@ -1564,9 +1564,6 @@ int mail_transaction_log_file_map(struct mail_transaction_log_file *file,
                end_offset = file->sync_offset;
        }
 
-       if (file->locked)
-               file->locked_sync_offset_updated = TRUE;
-
        if (file->buffer != NULL && file->buffer_offset <= start_offset) {
                /* see if we already have it */
                size = buffer_get_used_size(file->buffer);
@@ -1574,6 +1571,12 @@ int mail_transaction_log_file_map(struct mail_transaction_log_file *file,
                        return 1;
        }
 
+       if (file->locked) {
+               /* set this only when we've synced to end of file while locked
+                  (either end_offset=(uoff_t)-1 or we had to read anyway) */
+               file->locked_sync_offset_updated = TRUE;
+       }
+
        if (MAIL_TRANSACTION_LOG_FILE_IN_MEMORY(file)) {
                if (start_offset < file->buffer_offset) {
                        /* we had moved the log to memory but failed to read