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block: Mark bdrv_refresh_limits() and callers GRAPH_RDLOCK

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This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_refresh_limits() 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: <20230504115750.54437-21-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2023-05-04 13:57:50 +02:00
parent 533c6e4ee8
commit e19b157f3c
4 changed files with 15 additions and 3 deletions
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3
include/block/block_int-common.h
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@ -334,7 +334,8 @@ struct BlockDriver {
int (*bdrv_debug_resume)(BlockDriverState *bs, const char *tag);
bool (*bdrv_debug_is_suspended)(BlockDriverState *bs, const char *tag);
void (*bdrv_refresh_limits)(BlockDriverState *bs, Error **errp);
void GRAPH_RDLOCK_PTR (*bdrv_refresh_limits)(
BlockDriverState *bs, Error **errp);
/*
* Returns 1 if newly created images are guaranteed to contain only