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Fix refill buffers overwriting verify data
[fio.git]
/
engines
/
posixaio.c
diff --git
a/engines/posixaio.c
b/engines/posixaio.c
index 9ff05c4914151387dae188d4c8798c7c3d0985c0..ddc75d1cfe54802c8c0ac09349930ed852e5a52a 100644
(file)
--- a/
engines/posixaio.c
+++ b/
engines/posixaio.c
@@
-76,18
+76,24
@@
static int fio_posixaio_prep(struct thread_data fio_unused *td,
return 0;
}
return 0;
}
-static int fio_posixaio_getevents(struct thread_data *td, int min, int max,
- struct timespec *t)
+#define SUSPEND_ENTRIES 8
+
+static int fio_posixaio_getevents(struct thread_data *td, unsigned int min,
+ unsigned int max, struct timespec *t)
{
struct posixaio_data *pd = td->io_ops->data;
{
struct posixaio_data *pd = td->io_ops->data;
+ struct aiocb *suspend_list[SUSPEND_ENTRIES];
struct list_head *entry;
struct timespec start;
struct list_head *entry;
struct timespec start;
- int r, have_timeout = 0;
+ int have_timeout = 0;
+ int suspend_entries = 0;
+ unsigned int r;
if (t && !fill_timespec(&start))
have_timeout = 1;
r = 0;
if (t && !fill_timespec(&start))
have_timeout = 1;
r = 0;
+ memset(suspend_list, 0, sizeof(*suspend_list));
restart:
list_for_each(entry, &td->io_u_busylist) {
struct io_u *io_u = list_entry(entry, struct io_u, list);
restart:
list_for_each(entry, &td->io_u_busylist) {
struct io_u *io_u = list_entry(entry, struct io_u, list);
@@
-97,8
+103,13
@@
restart:
continue;
err = aio_error(&io_u->aiocb);
continue;
err = aio_error(&io_u->aiocb);
- if (err == EINPROGRESS)
+ if (err == EINPROGRESS) {
+ if (suspend_entries < SUSPEND_ENTRIES) {
+ suspend_list[suspend_entries] = &io_u->aiocb;
+ suspend_entries++;
+ }
continue;
continue;
+ }
io_u->seen = 1;
pd->aio_events[r++] = io_u;
io_u->seen = 1;
pd->aio_events[r++] = io_u;
@@
-128,10
+139,10
@@
restart:
}
/*
}
/*
- * hrmpf, we need to wait for more. we should use aio_suspend, for
- * now just sleep a little and recheck status of busy-and-not-seen
+ * must have some in-flight, wait for at least one
*/
*/
- usleep(1000);
+ aio_suspend((const struct aiocb * const *)suspend_list,
+ suspend_entries, t);
goto restart;
}
goto restart;
}