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block.c: assert bs->aio_context is written under BQL and drains

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Also here ->aio_context is read by I/O threads and written
under BQL.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20221025084952.2139888-2-eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Emanuele Giuseppe Esposito 2022-10-25 04:49:43 -04:00 committed by Kevin Wolf
parent 57f08941d3
commit 7f898610f6
1 changed files with 2 additions and 0 deletions
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block.c
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@ -7153,6 +7153,7 @@ 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;
}
@ -7166,6 +7167,7 @@ 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) {