On Tue, Jan 08, 2019 at 09:56:35AM -0700, Jens Axboe wrote: > Add polled variants of the read and write commands. These act like their > non-polled counterparts, except we expect to poll for completion of > them. These aren't really need command variants, but a different type of context. > case IORING_OP_FSYNC: > + if (ctx->flags & IORING_SETUP_IOPOLL) > + break; > ret = io_fsync(&req->fsync, iocb, false); > break; > case IORING_OP_FDSYNC: > + if (ctx->flags & IORING_SETUP_IOPOLL) > + break; > ret = io_fsync(&req->fsync, iocb, true); I'd move this check into io_fsync to avoid a little duplication.