block: Propagate AioContext change to all children

Instead of propagating any change of a BDS's AioContext only to its file
and backing children and letting driver-specific code do the rest, just
propagate it to all and drop the thus superfluous implementations of
bdrv_{at,de}tach_aio_context() in Quorum, blkverify and VMDK.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Max Reitz 2016-05-17 13:38:04 +02:00 committed by Kevin Wolf
parent 1f0c461b82
commit b97511c7bc
4 changed files with 6 additions and 76 deletions

16
block.c
View file

@ -3609,6 +3609,7 @@ AioContext *bdrv_get_aio_context(BlockDriverState *bs)
void bdrv_detach_aio_context(BlockDriverState *bs)
{
BdrvAioNotifier *baf;
BdrvChild *child;
if (!bs->drv) {
return;
@ -3621,11 +3622,8 @@ void bdrv_detach_aio_context(BlockDriverState *bs)
if (bs->drv->bdrv_detach_aio_context) {
bs->drv->bdrv_detach_aio_context(bs);
}
if (bs->file) {
bdrv_detach_aio_context(bs->file->bs);
}
if (bs->backing) {
bdrv_detach_aio_context(bs->backing->bs);
QLIST_FOREACH(child, &bs->children, next) {
bdrv_detach_aio_context(child->bs);
}
bs->aio_context = NULL;
@ -3635,6 +3633,7 @@ void bdrv_attach_aio_context(BlockDriverState *bs,
AioContext *new_context)
{
BdrvAioNotifier *ban;
BdrvChild *child;
if (!bs->drv) {
return;
@ -3642,11 +3641,8 @@ void bdrv_attach_aio_context(BlockDriverState *bs,
bs->aio_context = new_context;
if (bs->backing) {
bdrv_attach_aio_context(bs->backing->bs, new_context);
}
if (bs->file) {
bdrv_attach_aio_context(bs->file->bs, new_context);
QLIST_FOREACH(child, &bs->children, next) {
bdrv_attach_aio_context(child->bs, new_context);
}
if (bs->drv->bdrv_attach_aio_context) {
bs->drv->bdrv_attach_aio_context(bs, new_context);