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[RFC PATCH 1/8] block.c: assert bs->aio_context is written under BQL and
From: |
Emanuele Giuseppe Esposito |
Subject: |
[RFC PATCH 1/8] block.c: assert bs->aio_context is written under BQL and drains |
Date: |
Tue, 12 Jul 2022 17:19:04 -0400 |
Also here ->aio_context is read by I/O threads and written
under BQL.
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
---
block.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/block.c b/block.c
index d0db104d71..267a39c0de 100644
--- a/block.c
+++ b/block.c
@@ -7285,6 +7285,7 @@ static void bdrv_detach_aio_context(BlockDriverState *bs)
if (bs->quiesce_counter) {
aio_enable_external(bs->aio_context);
}
+ assert_bdrv_graph_writable(bs);
bs->aio_context = NULL;
}
@@ -7298,6 +7299,7 @@ static void bdrv_attach_aio_context(BlockDriverState *bs,
aio_disable_external(new_context);
}
+ assert_bdrv_graph_writable(bs);
bs->aio_context = new_context;
if (bs->drv && bs->drv->bdrv_attach_aio_context) {
--
2.31.1