[PATCH] Add option to specify the exact file used

Fio typically just makes up a filename for a job, but sometimes you want
to explicitly reuse the same file for multiple jobs. Add a filename=
option to cater to that.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/filesetup.c b/filesetup.c
index 2e81a1d..4310a79 100644
--- a/filesetup.c
+++ b/filesetup.c
@@ -114,8 +114,8 @@
 
 	temp_stall_ts = 1;
 	fprintf(f_out, "%s: Laying out IO file(s) (%d x %LuMiB == %LuMiB)\n",
-				td->name, td->nr_files,
-				(td->total_file_size >> 20) / td->nr_files,
+				td->name, td->nr_uniq_files,
+				(td->total_file_size >> 20) / td->nr_uniq_files,
 				td->total_file_size >> 20);
 
 	err = 0;