diff options
| author | Kevin Wolf <kwolf@redhat.com> | 2023-10-27 17:53:11 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2023-11-07 19:14:19 +0100 |
| commit | 067179868ec8cd467d9810143339e882cb60e388 (patch) | |
| tree | 54c38cedf3e8f2433846a664bbd11b01cdaa1895 /block/qcow2.c | |
| parent | 221caadcc5129d3ec5ad9ecfd7374de0f7050316 (diff) | |
block: Mark bdrv_has_zero_init() and callers GRAPH_RDLOCK
This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_has_zero_init() need to hold a reader lock for the graph because
it calls bdrv_filter_bs(), which accesses bs->file/backing.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20231027155333.420094-3-kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/qcow2.c')
| -rw-r--r-- | block/qcow2.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/block/qcow2.c b/block/qcow2.c index aa01d9e7b5..a1443a31aa 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -5302,7 +5302,8 @@ static ImageInfoSpecific *qcow2_get_specific_info(BlockDriverState *bs, return spec_info; } -static int coroutine_mixed_fn qcow2_has_zero_init(BlockDriverState *bs) +static int coroutine_mixed_fn GRAPH_RDLOCK +qcow2_has_zero_init(BlockDriverState *bs) { BDRVQcow2State *s = bs->opaque; bool preallocated; |