Move thread options into a seperate structure

[fio.git] / engines / libaio.c

diff --git a/engines/libaio.c b/engines/libaio.c
index bd702e30f132ab082a69add4b729ca9e6dd6d9b5..895b914cf7e044c2bd8ba828035cc3aa8700e391 100644 (file)
--- a/engines/libaio.c
+++ b/engines/libaio.c
@@ -1,5 +1,7 @@
 /*
- * native linux aio io engine
+ * libaio engine
+ *
+ * IO engine using the Linux native aio interface.
  *
  */
 #include <stdio.h>
@@ -42,8 +44,21 @@ static int fio_libaio_prep(struct thread_data fio_unused *td, struct io_u *io_u)
 static struct io_u *fio_libaio_event(struct thread_data *td, int event)
 {
        struct libaio_data *ld = td->io_ops->data;
+       struct io_event *ev;
+       struct io_u *io_u;
+
+       ev = ld->aio_events + event;
+       io_u = ev_to_iou(ev);
+
+       if (ev->res != io_u->xfer_buflen) {
+               if (ev->res > io_u->xfer_buflen)
+                       io_u->error = -ev->res;
+               else
+                       io_u->resid = io_u->xfer_buflen - ev->res;
+       } else
+               io_u->error = 0;
 
-       return ev_to_iou(ld->aio_events + event);
+       return io_u;
 }
 
 static int fio_libaio_getevents(struct thread_data *td, int min, int max,
@@ -72,7 +87,7 @@ static int fio_libaio_queue(struct thread_data *td, struct io_u *io_u)
 {
        struct libaio_data *ld = td->io_ops->data;
 
-       if (ld->iocbs_nr == (int) td->iodepth)
+       if (ld->iocbs_nr == (int) td->o.iodepth)
                return FIO_Q_BUSY;
 
        /*
@@ -177,18 +192,18 @@ static int fio_libaio_init(struct thread_data *td)
        struct libaio_data *ld = malloc(sizeof(*ld));
 
        memset(ld, 0, sizeof(*ld));
-       if (io_queue_init(td->iodepth, &ld->aio_ctx)) {
+       if (io_queue_init(td->o.iodepth, &ld->aio_ctx)) {
                td_verror(td, errno, "io_queue_init");
                free(ld);
                return 1;
        }
 
-       ld->aio_events = malloc(td->iodepth * sizeof(struct io_event));
-       memset(ld->aio_events, 0, td->iodepth * sizeof(struct io_event));
-       ld->iocbs = malloc(td->iodepth * sizeof(struct iocb *));
+       ld->aio_events = malloc(td->o.iodepth * sizeof(struct io_event));
+       memset(ld->aio_events, 0, td->o.iodepth * sizeof(struct io_event));
+       ld->iocbs = malloc(td->o.iodepth * sizeof(struct iocb *));
        memset(ld->iocbs, 0, sizeof(struct iocb *));
-       ld->io_us = malloc(td->iodepth * sizeof(struct io_u *));
-       memset(ld->io_us, 0, td->iodepth * sizeof(struct io_u *));
+       ld->io_us = malloc(td->o.iodepth * sizeof(struct io_u *));
+       memset(ld->io_us, 0, td->o.iodepth * sizeof(struct io_u *));
        ld->iocbs_nr = 0;
 
        td->io_ops->data = ld;
@@ -206,6 +221,8 @@ static struct ioengine_ops ioengine = {
        .getevents      = fio_libaio_getevents,
        .event          = fio_libaio_event,
        .cleanup        = fio_libaio_cleanup,
+       .open_file      = generic_open_file,
+       .close_file     = generic_close_file,
 };
 
 #else /* FIO_HAVE_LIBAIO */