diff options
Diffstat (limited to 'drivers/nvme/host/fabrics.c')
-rw-r--r-- | drivers/nvme/host/fabrics.c | 39 |
1 files changed, 19 insertions, 20 deletions
diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c index 6b4e253b9347..903eb4545e26 100644 --- a/drivers/nvme/host/fabrics.c +++ b/drivers/nvme/host/fabrics.c @@ -556,34 +556,33 @@ EXPORT_SYMBOL_GPL(nvmf_fail_nonready_command); bool __nvmf_check_ready(struct nvme_ctrl *ctrl, struct request *rq, bool queue_live) { - struct nvme_command *cmd = nvme_req(rq)->cmd; + struct nvme_request *req = nvme_req(rq); + /* + * If we are in some state of setup or teardown only allow + * internally generated commands. + */ + if (!blk_rq_is_passthrough(rq) || (req->flags & NVME_REQ_USERCMD)) + return false; + + /* + * Only allow commands on a live queue, except for the connect command, + * which is require to set the queue live in the appropinquate states. + */ switch (ctrl->state) { case NVME_CTRL_NEW: case NVME_CTRL_CONNECTING: - case NVME_CTRL_DELETING: - /* - * If queue is live, allow only commands that are internally - * generated pass through. These are commands on the admin - * queue to initialize the controller. This will reject any - * ioctl admin cmds received while initializing. - */ - if (queue_live && !(nvme_req(rq)->flags & NVME_REQ_USERCMD)) + if (req->cmd->common.opcode == nvme_fabrics_command && + req->cmd->fabrics.fctype == nvme_fabrics_type_connect) return true; - - /* - * If the queue is not live, allow only a connect command. This - * will reject any ioctl admin cmd as well as initialization - * commands if the controller reverted the queue to non-live. - */ - if (!queue_live && blk_rq_is_passthrough(rq) && - cmd->common.opcode == nvme_fabrics_command && - cmd->fabrics.fctype == nvme_fabrics_type_connect) - return true; - return false; + break; default: + break; + case NVME_CTRL_DEAD: return false; } + + return queue_live; } EXPORT_SYMBOL_GPL(__nvmf_check_ready); |