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block: Mark bdrv_get_specific_info() and callers GRAPH_RDLOCK

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This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_get_specific_info() need to hold a reader lock for the graph.
This removes an assume_graph_lock() call in vmdk's implementation.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20230929145157.45443-20-kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2023-09-29 16:51:54 +02:00
parent 018f9dea9c
commit 3574499a1e
4 changed files with 10 additions and 8 deletions
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4
include/block/block_int-common.h
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@ -728,8 +728,8 @@ struct BlockDriver {
int coroutine_fn GRAPH_RDLOCK_PTR (*bdrv_co_get_info)(
BlockDriverState *bs, BlockDriverInfo *bdi);
ImageInfoSpecific *(*bdrv_get_specific_info)(BlockDriverState *bs,
Error **errp);
ImageInfoSpecific * GRAPH_RDLOCK_PTR (*bdrv_get_specific_info)(
BlockDriverState *bs, Error **errp);
BlockStatsSpecific *(*bdrv_get_specific_stats)(BlockDriverState *bs);
int coroutine_fn GRAPH_RDLOCK_PTR (*bdrv_co_save_vmstate)(