@@ -2051,9 +2051,9 @@ void bdrv_drain_all(void)
{
/* Always run first iteration so any pending completion BHs run */
bool busy = true;
- BlockDriverState *bs;
+ BlockDriverState *bs = NULL;
- QTAILQ_FOREACH(bs, &bdrv_states, device_list) {
+ while ((bs = bdrv_next(bs))) {
AioContext *aio_context = bdrv_get_aio_context(bs);
aio_context_acquire(aio_context);
@@ -2065,8 +2065,9 @@ void bdrv_drain_all(void)
while (busy) {
busy = false;
+ bs = NULL;
- QTAILQ_FOREACH(bs, &bdrv_states, device_list) {
+ while ((bs = bdrv_next(bs))) {
AioContext *aio_context = bdrv_get_aio_context(bs);
aio_context_acquire(aio_context);
@@ -2075,7 +2076,8 @@ void bdrv_drain_all(void)
}
}
- QTAILQ_FOREACH(bs, &bdrv_states, device_list) {
+ bs = NULL;
+ while ((bs = bdrv_next(bs))) {
AioContext *aio_context = bdrv_get_aio_context(bs);
aio_context_acquire(aio_context);
@@ -4015,10 +4017,10 @@ int bdrv_get_flags(BlockDriverState *bs)
int bdrv_flush_all(void)
{
- BlockDriverState *bs;
+ BlockDriverState *bs = NULL;
int result = 0;
- QTAILQ_FOREACH(bs, &bdrv_states, device_list) {
+ while ((bs = bdrv_next(bs))) {
AioContext *aio_context = bdrv_get_aio_context(bs);
int ret;
The bdrv_states list is a static variable in block.c. bdrv_drain_all() and bdrv_flush_all() use this variable to iterate over all drives. The next patch will move bdrv_drain_all() and bdrv_flush_all() out of block.c so it's necessary to switch to the public bdrv_next() interface. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> --- block.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-)