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Diffstat (limited to 'block/qcow2.c')
-rw-r--r--block/qcow2.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/block/qcow2.c b/block/qcow2.c
index 7774e7f..4aa9f9e 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -1895,7 +1895,9 @@ qcow2_do_open(BlockDriverState *bs, QDict *options, int flags,
g_free(s->image_data_file);
if (open_data_file && has_data_file(bs)) {
bdrv_graph_co_rdunlock();
+ bdrv_drain_all_begin();
bdrv_co_unref_child(bs, s->data_file);
+ bdrv_drain_all_end();
bdrv_graph_co_rdlock();
s->data_file = NULL;
}
@@ -2141,9 +2143,9 @@ static void qcow2_join_options(QDict *options, QDict *old_options)
}
static int coroutine_fn GRAPH_RDLOCK
-qcow2_co_block_status(BlockDriverState *bs, bool want_zero, int64_t offset,
- int64_t count, int64_t *pnum, int64_t *map,
- BlockDriverState **file)
+qcow2_co_block_status(BlockDriverState *bs, unsigned int mode,
+ int64_t offset, int64_t count, int64_t *pnum,
+ int64_t *map, BlockDriverState **file)
{
BDRVQcow2State *s = bs->opaque;
uint64_t host_offset;
@@ -2821,7 +2823,7 @@ qcow2_do_close(BlockDriverState *bs, bool close_data_file)
if (close_data_file && has_data_file(bs)) {
GLOBAL_STATE_CODE();
bdrv_graph_rdunlock_main_loop();
- bdrv_graph_wrlock();
+ bdrv_graph_wrlock_drained();
bdrv_unref_child(bs, s->data_file);
bdrv_graph_wrunlock();
s->data_file = NULL;