#include "block/raw-aio.h"
#include "qemu/event_notifier.h"
#include "qemu/coroutine.h"
+#include "qapi/error.h"
#include <libaio.h>
static void qemu_laio_process_completions_and_submit(LinuxAioState *s)
{
+ aio_context_acquire(s->aio_context);
qemu_laio_process_completions(s);
- aio_context_acquire(s->aio_context);
if (!s->io_q.plugged && !QSIMPLEQ_EMPTY(&s->io_q.pending)) {
ioq_submit(s);
}
switch (type) {
case QEMU_AIO_WRITE:
io_prep_pwritev(iocbs, fd, qiov->iov, qiov->niov, offset);
- break;
+ break;
case QEMU_AIO_READ:
io_prep_preadv(iocbs, fd, qiov->iov, qiov->niov, offset);
- break;
+ break;
/* Currently Linux kernel does not support other operations */
default:
fprintf(stderr, "%s: invalid AIO request type 0x%x.\n",
qemu_laio_poll_cb);
}
-LinuxAioState *laio_init(void)
+LinuxAioState *laio_init(Error **errp)
{
+ int rc;
LinuxAioState *s;
s = g_malloc0(sizeof(*s));
- if (event_notifier_init(&s->e, false) < 0) {
+ rc = event_notifier_init(&s->e, false);
+ if (rc < 0) {
+ error_setg_errno(errp, -rc, "failed to to initialize event notifier");
goto out_free_state;
}
- if (io_setup(MAX_EVENTS, &s->ctx) != 0) {
+ rc = io_setup(MAX_EVENTS, &s->ctx);
+ if (rc < 0) {
+ error_setg_errno(errp, -rc, "failed to create linux AIO context");
goto out_close_efd;
}