Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging

Block layer patches

- Fix blockdev-create with iothreads
- Remove aio_disable_external() API

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# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]

* tag 'for-upstream' of https://repo.or.cz/qemu/kevin: (32 commits)
  aio: remove aio_disable_external() API
  virtio: do not set is_external=true on host notifiers
  virtio-scsi: implement BlockDevOps->drained_begin()
  virtio-blk: implement BlockDevOps->drained_begin()
  virtio: make it possible to detach host notifier from any thread
  block/fuse: do not set is_external=true on FUSE fd
  block/export: don't require AioContext lock around blk_exp_ref/unref()
  block/export: rewrite vduse-blk drain code
  hw/xen: do not set is_external=true on evtchn fds
  xen-block: implement BlockDevOps->drained_begin()
  block: drain from main loop thread in bdrv_co_yield_to_drain()
  block: add blk_in_drain() API
  hw/xen: do not use aio_set_fd_handler(is_external=true) in xen_xenstore
  block/export: stop using is_external in vhost-user-blk server
  block/export: wait for vhost-user-blk requests when draining
  util/vhost-user-server: rename refcount to in_flight counter
  virtio-scsi: stop using aio_disable_external() during unplug
  virtio-scsi: avoid race between unplug and transport event
  hw/qdev: introduce qdev_is_realized() helper
  block-backend: split blk_do_set_aio_context()
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 1 insertions, 7 deletions

diff --git a/util/fdmon-io_uring.c b/util/fdmon-io_uring.c
index ab43052dd7..17ec18b7bd 100644
--- a/util/fdmon-io_uring.c
+++ b/util/fdmon-io_uring.c
@@ -276,11 +276,6 @@ static int fdmon_io_uring_wait(AioContext *ctx, AioHandlerList *ready_list,
     unsigned wait_nr = 1; /* block until at least one cqe is ready */
     int ret;
 
-    /* Fall back while external clients are disabled */
-    if (qatomic_read(&ctx->external_disable_cnt)) {
-        return fdmon_poll_ops.wait(ctx, ready_list, timeout);
-    }
-
     if (timeout == 0) {
         wait_nr = 0; /* non-blocking */
     } else if (timeout > 0) {
@@ -315,8 +310,7 @@ static bool fdmon_io_uring_need_wait(AioContext *ctx)
         return true;
     }
 
-    /* Are we falling back to fdmon-poll? */
-    return qatomic_read(&ctx->external_disable_cnt);
+    return false;
 }
 
 static const FDMonOps fdmon_io_uring_ops = {