Hi, Ming.
PGQueueable class has a constructor as: `PGQueueable(OpRequestRef
op)`, which does not have `explicit`, so CPP compiler translates
OpRequestRef to PGQueueable in `
osd->op_wq.queue(make_pair(PGRef(this), op));`, as `
osd->op_wq.queue(make_pair(PGRef(this), PGQueueable(op)));`
2017-01-27 15:41 GMT+08:00 Ming Lin <minggr@xxxxxxxxx>:
> void PG::queue_op(OpRequestRef& op)
> {
> ...
> osd->op_wq.queue(make_pair(PGRef(this), op));
>
>
> class OSDService {
> ....
> ShardedThreadPool::ShardedWQ < pair <PGRef, PGQueueable> > &op_wq;
>
> "op" is of type OpRequestRef, but op_wq second is of type PGQueueable
>
> How does this work? Is "PGQueueable" same as "OpRequestRef"?
>
> Thanks.
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