diff options
| author | Kevin Wolf <kwolf@redhat.com> | 2023-10-27 17:53:19 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2023-11-07 19:14:19 +0100 |
| commit | 79bb76272763c090f2b1dae9519c516257241cac (patch) | |
| tree | 3a72d5bd932a111e4927da0bf6db89feca8233cd /include/block | |
| parent | 9275fc72bd0a1c35e915e4991c7d27209ecab923 (diff) | |
block: Mark bdrv_chain_contains() and callers GRAPH_RDLOCK
This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_chain_contains() need to hold a reader lock for the graph because
it calls bdrv_filter_or_cow_bs(), which accesses bs->file/backing.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20231027155333.420094-11-kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'include/block')
| -rw-r--r-- | include/block/block-global-state.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/block/block-global-state.h b/include/block/block-global-state.h index 545708c35a..9a33bd7ef9 100644 --- a/include/block/block-global-state.h +++ b/include/block/block-global-state.h @@ -199,7 +199,9 @@ XDbgBlockGraph * GRAPH_RDLOCK bdrv_get_xdbg_block_graph(Error **errp); BlockDriverState *bdrv_lookup_bs(const char *device, const char *node_name, Error **errp); -bool bdrv_chain_contains(BlockDriverState *top, BlockDriverState *base); +bool GRAPH_RDLOCK +bdrv_chain_contains(BlockDriverState *top, BlockDriverState *base); + BlockDriverState *bdrv_next_node(BlockDriverState *bs); BlockDriverState *bdrv_next_all_states(BlockDriverState *bs); |