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block: Mark bdrv_co_ioctl() and callers GRAPH_RDLOCK

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

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230203152202.49054-6-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 16:21:44 +01:00
parent 7ff9579e60
commit 26c518ab1e
5 changed files with 11 additions and 7 deletions
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4
block/raw-format.c
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@ -415,8 +415,8 @@ static void coroutine_fn raw_co_lock_medium(BlockDriverState *bs, bool locked)
bdrv_co_lock_medium(bs->file->bs, locked);
}
static int coroutine_fn raw_co_ioctl(BlockDriverState *bs,
unsigned long int req, void *buf)
static int coroutine_fn GRAPH_RDLOCK
raw_co_ioctl(BlockDriverState *bs, unsigned long int req, void *buf)
{
BDRVRawState *s = bs->opaque;
if (s->offset || s->has_size) {