[RFC 3/5] io_uring: add infra and support for IORING_OP_URING_CMD

Mon Apr 4 23:00:23 PDT 2022

On Mon, Apr 04, 2022 at 08:44:20PM +0530, Kanchan Joshi wrote:
> Another stuff that got left out from the previous series :-(
> Using this field for a bit of sanity checking at the moment. Like this in nvme:
> 
> + if (ioucmd->cmd_len != sizeof(struct nvme_passthru_cmd64))
> + return -EINVAL;
> + cptr = (struct nvme_passthru_cmd64 *)ioucmd->cmd;

Do we actually need that sanity checking?  Each command should have
a known length bound by the SQE size, right?