X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=filesetup.c;h=84cd7f7dfe2bffa93ed62d3ea7aaa790cd6e02b3;hp=1f1259d1ac156bd99666b73e8a6a71ecdd4d28ee;hb=a2e1b08afa641078832d69871ae5e404db3e4fc1;hpb=4d9345ae968ca92ace3dab06c25a9b73159cb329

diff --git a/filesetup.c b/filesetup.c
index 1f1259d1..84cd7f7d 100644
--- a/filesetup.c
+++ b/filesetup.c
@@ -154,6 +154,16 @@ static int file_size(struct thread_data *td, struct fio_file *f)
 {
 	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);