blk/kernel : Make bdev stop immediately

Fixes : https://tracker.ceph.com/issues/68881

Signed-off-by: Jaya Prakash <jayaprakash@ibm.com>

diff --git a/src/blk/kernel/KernelDevice.cc b/src/blk/kernel/KernelDevice.cc
index 72921e6d9f08bf2fa9317a0e78547ec1a581207c..3d55cc0ec9b56363771409661d711fa0d210791c 100644 (file)
--- a/src/blk/kernel/KernelDevice.cc
+++ b/src/blk/kernel/KernelDevice.cc
@@ -541,7 +541,20 @@ void KernelDevice::_aio_stop()
   if (aio) {
     dout(10) << __func__ << dendl;
     aio_stop = true;
+
+    IOContext wakeup_ctx(cct, nullptr, false);
+    bufferlist bl;
+    aio_read(0, block_size, &bl, &wakeup_ctx);
+    aio_submit(&wakeup_ctx);
+
     aio_thread.join();
+
+    if (cct->_conf->bdev_debug_aio) {
+      for (auto& i: wakeup_ctx.running_aios) {
+       debug_aio_unlink(i);
+      }
+    }
+
     aio_stop = false;
     io_queue->shutdown();
   }