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block: Mark bdrv_recurse_can_replace() and callers GRAPH_RDLOCK

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This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_recurse_can_replace() 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: <20230504115750.54437-20-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2023-05-04 13:57:49 +02:00
parent 4f0bef8b36
commit 533c6e4ee8
7 changed files with 19 additions and 10 deletions
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4
block/quorum.c
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@ -825,8 +825,8 @@ static coroutine_fn GRAPH_RDLOCK int quorum_co_flush(BlockDriverState *bs)
return result;
}
static bool quorum_recurse_can_replace(BlockDriverState *bs,
BlockDriverState *to_replace)
static bool GRAPH_RDLOCK
quorum_recurse_can_replace(BlockDriverState *bs, BlockDriverState *to_replace)
{
BDRVQuorumState *s = bs->opaque;
int i;