From: Fam Zheng <f...@redhat.com>

This reverts commit ab27c3b5e7408693dde0b565f050aa55c4a1bcef.

The virtio storage device host notifiers now work with
bdrv_drained_begin/end, so we don't need this hack any more.

Signed-off-by: Fam Zheng <f...@redhat.com>
Reviewed-by: Michael S. Tsirkin <m...@redhat.com>
Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
Reviewed-by: Cornelia Huck <cornelia.h...@de.ibm.com>
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
Acked-by: Paolo Bonzini <pbonz...@redhat.com>
---
 block/mirror.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/block/mirror.c b/block/mirror.c
index b1e633e..9ae11e5 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -508,9 +508,6 @@ static void mirror_exit(BlockJob *job, void *opaque)
     block_job_completed(&s->common, data->ret);
     g_free(data);
     bdrv_drained_end(src);
-    if (qemu_get_aio_context() == bdrv_get_aio_context(src)) {
-        aio_enable_external(iohandler_get_aio_context());
-    }
     bdrv_unref(src);
 }
 
@@ -734,12 +731,6 @@ immediate_exit:
     /* Before we switch to target in mirror_exit, make sure data doesn't
      * change. */
     bdrv_drained_begin(bs);
-    if (qemu_get_aio_context() == bdrv_get_aio_context(bs)) {
-        /* FIXME: virtio host notifiers run on iohandler_ctx, therefore the
-         * above bdrv_drained_end isn't enough to quiesce it. This is ugly, we
-         * need a block layer API change to achieve this. */
-        aio_disable_external(iohandler_get_aio_context());
-    }
     block_job_defer_to_main_loop(&s->common, mirror_exit, data);
 }
 
-- 
MST


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