diff options
Diffstat (limited to 'include/block')
| -rw-r--r-- | include/block/aio-wait.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/block/aio-wait.h b/include/block/aio-wait.h index b39eefb38d..54840f8622 100644 --- a/include/block/aio-wait.h +++ b/include/block/aio-wait.h @@ -81,6 +81,8 @@ extern AioWait global_aio_wait; AioContext *ctx_ = (ctx); \ /* Increment wait_->num_waiters before evaluating cond. */ \ qatomic_inc(&wait_->num_waiters); \ + /* Paired with smp_mb in aio_wait_kick(). */ \ + smp_mb(); \ if (ctx_ && in_aio_context_home_thread(ctx_)) { \ while ((cond)) { \ aio_poll(ctx_, true); \ |