use io_complete var to avoid the rbd_aio_is_complete lock and context switch
Signed-off-by: Ketor Meng <d.ketor@gmail.com>
diff --git a/engines/rbd.c b/engines/rbd.c
index 363be65..52fc8c9 100644
--- a/engines/rbd.c
+++ b/engines/rbd.c
@@ -13,6 +13,7 @@
struct io_u *io_u;
rbd_completion_t completion;
int io_seen;
+ int io_complete;
};
struct rbd_data {
@@ -186,6 +187,8 @@
* a specific error. So we have to assume that it can't do
* partial completions.
*/
+ fri->io_complete = 1;
+
ret = rbd_aio_get_return_value(fri->completion);
if (ret < 0) {
io_u->error = ret;
@@ -207,7 +210,7 @@
{
struct fio_rbd_iou *fri = io_u->engine_data;
- if (rbd_aio_is_complete(fri->completion)) {
+ if (fri->io_complete) {
fri->io_seen = 1;
rbd_data->aio_events[*events] = io_u;
(*events)++;
@@ -283,6 +286,7 @@
fio_ro_check(td, io_u);
fri->io_seen = 0;
+ fri->io_complete = 0;
r = rbd_aio_create_completion(fri, _fio_rbd_finish_aiocb,
&fri->completion);