Add details of file number/size related options to HOWTO

[fio.git] / file.h

diff --git a/file.h b/file.h
index ac00ff877997531f2879fcc9e4dbe167f2da7634..611470cee0aee83a0c9e83962c7660edbbf3a236 100644 (file)
--- a/file.h
+++ b/file.h
@@ -90,6 +90,7 @@ struct fio_file {
 
        /*
         * size of the file, offset into file, and io size from that offset
+        * (be aware io_size is different from thread_options::io_size)
         */
        uint64_t real_file_size;
        uint64_t file_offset;