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| author | Kevin Wolf <kwolf@redhat.com> | 2023-05-04 13:57:48 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2023-05-10 14:16:54 +0200 |
| commit | 4f0bef8b36eb33efbba0a216b233265d734bdbfb (patch) | |
| tree | b995bdf9d339ce44b3246a06f24793c84baae3d4 /qemu-img.c | |
| parent | 6ec75a6a3ed9d6ff3161d1f97c497909906495bd (diff) | |
block: Mark bdrv_query_block_graph_info() and callers GRAPH_RDLOCK
This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_query_block_graph_info() 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>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20230504115750.54437-19-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'qemu-img.c')
| -rw-r--r-- | qemu-img.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/qemu-img.c b/qemu-img.c index 9aeac69fa6..9f9f0a7629 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -2938,6 +2938,8 @@ static BlockGraphInfoList *collect_image_info_list(bool image_opts, } bs = blk_bs(blk); + GRAPH_RDLOCK_GUARD_MAINLOOP(); + /* * Note that the returned BlockGraphInfo object will not have * information about this image's backing node, because we have opened |