/*
- * regular read/write sync io engine
+ * sync engine
+ *
+ * IO engine that does regular read(2)/write(2) with lseek(2) to transfer
+ * data.
*
*/
#include <stdio.h>
#include <assert.h>
#include "../fio.h"
-#include "../os.h"
static int fio_syncio_prep(struct thread_data *td, struct io_u *io_u)
{
return 0;
if (lseek(f->fd, io_u->offset, SEEK_SET) == -1) {
- td_verror(td, errno);
+ td_verror(td, errno, "lseek");
return 1;
}
ret = fsync(f->fd);
if (ret != (int) io_u->xfer_buflen) {
- if (ret > 0) {
+ if (ret >= 0) {
io_u->resid = io_u->xfer_buflen - ret;
io_u->error = 0;
return FIO_Q_COMPLETED;
}
if (io_u->error)
- td_verror(td, io_u->error);
+ td_verror(td, io_u->error, "xfer");
return FIO_Q_COMPLETED;
}
.version = FIO_IOOPS_VERSION,
.prep = fio_syncio_prep,
.queue = fio_syncio_queue,
+ .open_file = generic_open_file,
+ .close_file = generic_close_file,
.flags = FIO_SYNCIO,
};