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block: Mark bdrv_filter_child() and callers GRAPH_RDLOCK

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This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_filter_child() need to hold a reader lock for the graph because it
accesses bs->file/backing.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20231027155333.420094-12-kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf
2023-10-27 17:53:20 +02:00
parent 79bb762727
commit ec82cc41a7
2 changed files with 4 additions and 4 deletions
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4
block.c
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@ -8491,8 +8491,8 @@ BdrvChild *bdrv_primary_child(BlockDriverState *bs)
return found;
}
static BlockDriverState *bdrv_do_skip_filters(BlockDriverState *bs,
bool stop_on_explicit_filter)
static BlockDriverState * GRAPH_RDLOCK
bdrv_do_skip_filters(BlockDriverState *bs, bool stop_on_explicit_filter)
{
BdrvChild *c;