@@ -387,7 +387,8 @@ void bdrv_do_drained_begin_quiesce(BlockDriverState *bs, BdrvChild *parent)
bdrv_do_drained_begin(bs, parent, false);
}
-void bdrv_drained_begin(BlockDriverState *bs)
+void coroutine_mixed_fn
+bdrv_drained_begin(BlockDriverState *bs)
{
IO_OR_GS_CODE();
bdrv_do_drained_begin(bs, NULL, true);
@@ -506,7 +507,7 @@ void bdrv_drain_all_begin_nopoll(void)
}
}
-void bdrv_drain_all_begin(void)
+void coroutine_mixed_fn bdrv_drain_all_begin(void)
{
BlockDriverState *bs = NULL;
@@ -5288,7 +5288,7 @@ static ImageInfoSpecific *qcow2_get_specific_info(BlockDriverState *bs,
return spec_info;
}
-static int qcow2_has_zero_init(BlockDriverState *bs)
+static int coroutine_mixed_fn qcow2_has_zero_init(BlockDriverState *bs)
{
BDRVQcow2State *s = bs->opaque;
bool preallocated;
@@ -570,8 +570,8 @@ static void coroutine_fn bdrv_qed_open_entry(void *opaque)
qemu_co_mutex_unlock(&s->table_lock);
}
-static int bdrv_qed_open(BlockDriverState *bs, QDict *options, int flags,
- Error **errp)
+static int coroutine_mixed_fn bdrv_qed_open(BlockDriverState *bs, QDict *options,
+ int flags, Error **errp)
{
QEDOpenCo qoc = {
.bs = bs,
@@ -317,8 +317,8 @@ static bool coroutine_fn throttle_group_co_restart_queue(ThrottleGroupMember *tg
* @tgm: the current ThrottleGroupMember
* @direction: the ThrottleDirection
*/
-static void schedule_next_request(ThrottleGroupMember *tgm,
- ThrottleDirection direction)
+static void coroutine_mixed_fn schedule_next_request(ThrottleGroupMember *tgm,
+ ThrottleDirection direction)
{
ThrottleState *ts = tgm->throttle_state;
ThrottleGroup *tg = container_of(ts, ThrottleGroup, ts);
The marking should be extended transitively to all functions that call these ones, so that static analysis can be done much more efficiently. However, this is a start and makes it possible to use vrc's path-based searches to find potential bugs where coroutine_fns call blocking functions. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- block/io.c | 5 +++-- block/qcow2.c | 2 +- block/qed.c | 4 ++-- block/throttle-groups.c | 4 ++-- 4 files changed, 8 insertions(+), 7 deletions(-)