On Wed, 05/06 16:22, Paolo Bonzini wrote:
>
>
> On 06/05/2015 13:23, Fam Zheng wrote:
> > void bdrv_op_block(BlockDriverState *bs, BlockOpType op, Error *reason)
> > {
> > BdrvOpBlocker *blocker;
> > assert((int) op >= 0 && op < BLOCK_OP_TYPE_MAX);
> >
> > + bdrv_op_blocker_notify(bs, op, reason, true);
> > blocker = g_new0(BdrvOpBlocker, 1);
> > blocker->reason = reason;
> > QLIST_INSERT_HEAD(&bs->op_blockers[op], blocker, list);
> > @@ -3405,6 +3424,7 @@ void bdrv_op_unblock(BlockDriverState *bs,
> > BlockOpType op, Error *reason)
> > {
> > BdrvOpBlocker *blocker, *next;
> > assert((int) op >= 0 && op < BLOCK_OP_TYPE_MAX);
> > + bdrv_op_blocker_notify(bs, op, reason, false);
> > QLIST_FOREACH_SAFE(blocker, &bs->op_blockers[op], list, next) {
> > if (blocker->reason == reason) {
> > QLIST_REMOVE(blocker, list);
>
> Changed in the following patch.
Bad git rebase -i, will fix.
>
> Also, should we only invoke the notifier if the list becomes
> empty/non-empty? Is there any reason why the notifier would like to
> know the particular Error that was added?
>
Good point, this can be simplified.
Fam