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block: Mark bdrv_get_xdbg_block_graph() and callers GRAPH_RDLOCK

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This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_get_xdbg_block_graph() need to hold a reader lock for the graph
because it accesses the children list of a node.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20230929145157.45443-10-kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf
2023-09-29 16:51:44 +02:00
parent ce433d2942
commit 15f3f1fe57
2 changed files with 3 additions and 1 deletions
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2
blockdev.c
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@ -2846,6 +2846,8 @@ BlockDeviceInfoList *qmp_query_named_block_nodes(bool has_flat,
XDbgBlockGraph *qmp_x_debug_query_block_graph(Error **errp)
{
GRAPH_RDLOCK_GUARD_MAINLOOP();
return bdrv_get_xdbg_block_graph(errp);
}