[PATCH] File size fix on NULL io engines
Just set the file sizes to the size given, it's pretend anyway.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/filesetup.c b/filesetup.c
index 1f1259d..84cd7f7 100644
--- a/filesetup.c
+++ b/filesetup.c
@@ -154,6 +154,16 @@
{
struct stat st;
+ /*
+ * if we are not doing real io, just pretend the file is as large
+ * as the size= given. this works fine with nrfiles > 1 as well,
+ * we only really care about it being at least as big as size=
+ */
+ if (td->io_ops->flags & FIO_NULLIO) {
+ f->real_file_size = f->file_size = td->total_file_size;
+ return 0;
+ }
+
if (td->overwrite) {
if (fstat(f->fd, &st) == -1) {
td_verror(td, errno);