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block: Mark bdrv_*_dirty_bitmap() and callers GRAPH_RDLOCK

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This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_*_dirty_bitmap() need to hold a reader lock for the graph.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230203152202.49054-23-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2023-02-03 16:22:01 +01:00
parent 48aef79440
commit 167f748d8c
4 changed files with 18 additions and 16 deletions
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2
block/dirty-bitmap.c
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@ -394,6 +394,7 @@ int coroutine_fn
bdrv_co_remove_persistent_dirty_bitmap(BlockDriverState *bs, const char *name,
Error **errp)
{
assert_bdrv_graph_readable();
if (bs->drv && bs->drv->bdrv_co_remove_persistent_dirty_bitmap) {
return bs->drv->bdrv_co_remove_persistent_dirty_bitmap(bs, name, errp);
}
@ -415,6 +416,7 @@ bdrv_co_can_store_new_dirty_bitmap(BlockDriverState *bs, const char *name,
uint32_t granularity, Error **errp)
{
BlockDriver *drv = bs->drv;
assert_bdrv_graph_readable();
if (!drv) {
error_setg_errno(errp, ENOMEDIUM,