Just forward the request to bdrv_aio_cancel_async. Use a flag to fix the
ret value in completion code. Also check memory address before calling
dma_memory_unmap.
Signed-off-by: Fam Zheng f...@redhat.com
---
dma-helpers.c | 28
1 file changed, 28 insertions(+)
diff
Il 26/08/2014 08:08, Fam Zheng ha scritto:
+if (dbs-cancelled) {
+ret = -ECANCELED;
+}
Why is dbs-cancelled necessary?
dma_bdrv_unmap(dbs);
if (dbs-common.cb) {
dbs-common.cb(dbs-common.opaque, ret);
@@ -141,6 +148,9 @@ static void dma_bdrv_cb(void
On Tue, 08/26 10:46, Paolo Bonzini wrote:
Il 26/08/2014 08:08, Fam Zheng ha scritto:
+if (dbs-cancelled) {
+ret = -ECANCELED;
+}
Why is dbs-cancelled necessary?
Request may complete after bdrv_aio_cancel_async with other status, this flag
is checked to fix the status to
Il 26/08/2014 11:21, Fam Zheng ha scritto:
On Tue, 08/26 10:46, Paolo Bonzini wrote:
Il 26/08/2014 08:08, Fam Zheng ha scritto:
+if (dbs-cancelled) {
+ret = -ECANCELED;
+}
Why is dbs-cancelled necessary?
Request may complete after bdrv_aio_cancel_async with other status,
