From: "Denis V. Lunev" <d...@openvz.org>
blk_invalidate_cache() can call qcow2_invalidate_cache which performs
IO inside.
Signed-off-by: Denis V. Lunev <d...@openvz.org>
CC: Kevin Wolf <kw...@redhat.com>
CC: Paolo Bonzini <pbonz...@redhat.com>
Message-Id: <1453273940-15382-3-git-send-email-...@openvz.org>
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
nbd/server.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/nbd/server.c b/nbd/server.c
index eead339..3596e68 100644
--- a/nbd/server.c
+++ b/nbd/server.c
@@ -671,7 +671,9 @@ NBDExport *nbd_export_new(BlockBackend *blk, off_t
dev_offset, off_t size,
* that BDRV_O_INCOMING is cleared and the image is ready for write
* access since the export could be available before migration handover.
*/
+ aio_context_acquire(exp->ctx);
blk_invalidate_cache(blk, NULL);
+ aio_context_release(exp->ctx);
return exp;
fail:
--
1.8.3.1
