Add details of file number/size related options to HOWTO

[fio.git] / io_u.c

diff --git a/io_u.c b/io_u.c
index f1a3916f5096ea7cc07be1c488b42f32307fc83d..46d97319fc174512fc4ca353486144c57097db31 100644 (file)
--- a/io_u.c
+++ b/io_u.c
@@ -62,6 +62,7 @@ static uint64_t last_block(struct thread_data *td, struct fio_file *f,
 
        /*
         * Hmm, should we make sure that ->io_size <= ->real_file_size?
+        * -> not for now since there is code assuming it could go either.
         */
        max_size = f->io_size;
        if (max_size > f->real_file_size)
@@ -758,8 +759,10 @@ static enum fio_ddir get_rw_ddir(struct thread_data *td)
                ddir = DDIR_READ;
        else if (td_write(td))
                ddir = DDIR_WRITE;
-       else
+       else if (td_trim(td))
                ddir = DDIR_TRIM;
+       else
+               ddir = DDIR_INVAL;
 
        td->rwmix_ddir = rate_ddir(td, ddir);
        return td->rwmix_ddir;