Implement .bdrv_detach/attach_aio_context() interfaces to propagate
detach/attach to BDRVVmdkState->extents[].file. The block layer takes
care of ->file and ->backing_hd but doesn't know about our extents
BlockDriverStates, which is also part of the graph.
Reviewed-by: Fam Zheng <f...@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com>
---
block/vmdk.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/block/vmdk.c b/block/vmdk.c
index 06a1f9f..1ca944a 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -2063,6 +2063,27 @@ static ImageInfoSpecific
*vmdk_get_specific_info(BlockDriverState *bs)
return spec_info;
}
+static void vmdk_detach_aio_context(BlockDriverState *bs)
+{
+ BDRVVmdkState *s = bs->opaque;
+ int i;
+
+ for (i = 0; i < s->num_extents; i++) {
+ bdrv_detach_aio_context(s->extents[i].file);
+ }
+}
+
+static void vmdk_attach_aio_context(BlockDriverState *bs,
+ AioContext *new_context)
+{
+ BDRVVmdkState *s = bs->opaque;
+ int i;
+
+ for (i = 0; i < s->num_extents; i++) {
+ bdrv_attach_aio_context(s->extents[i].file, new_context);
+ }
+}
+
static QEMUOptionParameter vmdk_create_options[] = {
{
.name = BLOCK_OPT_SIZE,
@@ -2118,6 +2139,8 @@ static BlockDriver bdrv_vmdk = {
.bdrv_has_zero_init = vmdk_has_zero_init,
.bdrv_get_specific_info = vmdk_get_specific_info,
.bdrv_refresh_limits = vmdk_refresh_limits,
+ .bdrv_detach_aio_context = vmdk_detach_aio_context,
+ .bdrv_attach_aio_context = vmdk_attach_aio_context,
.create_options = vmdk_create_options,
};
--
1.9.0
