{
struct stat st;
- if (td->filetype != FIO_TYPE_FILE)
+ if (td->filetype != FIO_TYPE_FILE || (td->io_ops->flags & FIO_NULLIO))
return 0;
if (stat(f->file_name, &st) == -1)
for_each_file(td, f, i) {
int file_there = !file_ok(td, f);
- if (file_there && td->ddir == WRITE && !td->overwrite) {
+ if (file_there && td->ddir == DDIR_WRITE &&
+ !td->overwrite) {
unlink(f->file_name);
file_there = 0;
}
{
int flags = 0;
- if (td->odirect)
- flags |= OS_O_DIRECT;
- if (td->sync_io)
- flags |= O_SYNC;
+ if (td->io_ops->flags & FIO_NETIO)
+ return 0;
- if (td_write(td) || td_rw(td)) {
- flags |= O_RDWR;
+ /*
+ * we need a valid file descriptor, but don't create a real file.
+ * lets just dup stdout, seems like a sensible approach.
+ */
+ if (td->io_ops->flags & FIO_NULLIO)
+ f->fd = dup(STDOUT_FILENO);
+ else {
+ if (td->odirect)
+ flags |= OS_O_DIRECT;
+ if (td->sync_io)
+ flags |= O_SYNC;
+
+ if (td_write(td) || td_rw(td)) {
+ flags |= O_RDWR;
- if (td->filetype == FIO_TYPE_FILE) {
- if (!td->overwrite)
- flags |= O_TRUNC;
+ if (td->filetype == FIO_TYPE_FILE) {
+ if (!td->overwrite)
+ flags |= O_TRUNC;
- flags |= O_CREAT;
- }
+ flags |= O_CREAT;
+ }
- f->fd = open(f->file_name, flags, 0600);
- } else {
- if (td->filetype == FIO_TYPE_CHAR)
- flags |= O_RDWR;
- else
- flags |= O_RDONLY;
+ f->fd = open(f->file_name, flags, 0600);
+ } else {
+ if (td->filetype == FIO_TYPE_CHAR)
+ flags |= O_RDWR;
+ else
+ flags |= O_RDONLY;
- f->fd = open(f->file_name, flags);
+ f->fd = open(f->file_name, flags);
+ }
}
if (f->fd == -1) {