diff options
| -rw-r--r-- | block/mirror.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/block/mirror.c b/block/mirror.c index f78186d47b..836a5d0194 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -407,6 +407,11 @@ static uint64_t coroutine_fn mirror_iteration(MirrorBlockJob *s) } } + while (s->in_flight >= MAX_IN_FLIGHT) { + trace_mirror_yield_in_flight(s, sector_num, s->in_flight); + mirror_wait_for_io(s); + } + mirror_clip_sectors(s, sector_num, &io_sectors); switch (mirror_method) { case MIRROR_METHOD_COPY: @@ -695,7 +700,7 @@ static void coroutine_fn mirror_run(void *opaque) delta = qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - s->last_pause_ns; if (delta < SLICE_TIME && s->common.iostatus == BLOCK_DEVICE_IO_STATUS_OK) { - if (s->in_flight == MAX_IN_FLIGHT || s->buf_free_count == 0 || + if (s->in_flight >= MAX_IN_FLIGHT || s->buf_free_count == 0 || (cnt == 0 && s->in_flight > 0)) { trace_mirror_yield(s, s->in_flight, s->buf_free_count, cnt); mirror_wait_for_io(s); |