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block: Mark bdrv_skip_implicit_filters() and callers GRAPH_RDLOCK

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

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20231027155333.420094-8-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 17:53:16 +02:00
parent 372b69f503
commit 430da832af
4 changed files with 32 additions and 16 deletions
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3
include/block/block_int-global-state.h
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@ -277,7 +277,8 @@ BdrvDirtyBitmap *block_dirty_bitmap_remove(const char *node, const char *name,
Error **errp);
BlockDriverState *bdrv_skip_implicit_filters(BlockDriverState *bs);
BlockDriverState * GRAPH_RDLOCK
bdrv_skip_implicit_filters(BlockDriverState *bs);
/**
* bdrv_add_aio_context_notifier: