[Qemu-devel] [PULL 3/3] qemu-coroutine-sleep: drop CoSleepCB

[Stefan Hajnoczi <stefanha@redhat.com>]

From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>

Drop CoSleepCB structure. It's actually unused.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-id: 20190122143113.20331-1-vsementsov@virtuozzo.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---
 util/qemu-coroutine-sleep.c | 27 ++++++++++-----------------
 1 file changed, 10 insertions(+), 17 deletions(-)

diff --git a/util/qemu-coroutine-sleep.c b/util/qemu-coroutine-sleep.c
index afb678fbe5..4bfdd30cbf 100644
--- a/util/qemu-coroutine-sleep.c
+++ b/util/qemu-coroutine-sleep.c
@@ -17,38 +17,31 @@
 #include "qemu/timer.h"
 #include "block/aio.h"
 
-typedef struct CoSleepCB {
-    QEMUTimer *ts;
-    Coroutine *co;
-} CoSleepCB;
-
 static void co_sleep_cb(void *opaque)
 {
-    CoSleepCB *sleep_cb = opaque;
+    Coroutine *co = opaque;
 
     /* Write of schedule protected by barrier write in aio_co_schedule */
-    atomic_set(&sleep_cb->co->scheduled, NULL);
-    aio_co_wake(sleep_cb->co);
+    atomic_set(&co->scheduled, NULL);
+    aio_co_wake(co);
 }
 
 void coroutine_fn qemu_co_sleep_ns(QEMUClockType type, int64_t ns)
 {
     AioContext *ctx = qemu_get_current_aio_context();
-    CoSleepCB sleep_cb = {
-        .co = qemu_coroutine_self(),
-    };
+    QEMUTimer *ts;
+    Coroutine *co = qemu_coroutine_self();
 
-    const char *scheduled = atomic_cmpxchg(&sleep_cb.co->scheduled, NULL,
-                                           __func__);
+    const char *scheduled = atomic_cmpxchg(&co->scheduled, NULL, __func__);
     if (scheduled) {
         fprintf(stderr,
                 "%s: Co-routine was already scheduled in '%s'\n",
                 __func__, scheduled);
         abort();
     }
-    sleep_cb.ts = aio_timer_new(ctx, type, SCALE_NS, co_sleep_cb, &sleep_cb);
-    timer_mod(sleep_cb.ts, qemu_clock_get_ns(type) + ns);
+    ts = aio_timer_new(ctx, type, SCALE_NS, co_sleep_cb, co);
+    timer_mod(ts, qemu_clock_get_ns(type) + ns);
     qemu_coroutine_yield();
-    timer_del(sleep_cb.ts);
-    timer_free(sleep_cb.ts);
+    timer_del(ts);
+    timer_free(ts);
 }
-- 
2.20.1