Re: [PATCH 05/11] nvmet: Add install_queue callout

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On 11/15/2018 7:16 PM, Sagi Grimberg wrote:
nvmet-tcp will implement it to allocate queue commands which
are only known at nvmf connect time (sq size).

Signed-off-by: Sagi Grimberg <sagi@xxxxxxxxxxxxxxxxx>
---
  drivers/nvme/target/fabrics-cmd.c | 9 +++++++++
  drivers/nvme/target/nvmet.h       | 1 +
  2 files changed, 10 insertions(+)

diff --git a/drivers/nvme/target/fabrics-cmd.c b/drivers/nvme/target/fabrics-cmd.c
index 1f05d8507e35..a84668e8939c 100644
--- a/drivers/nvme/target/fabrics-cmd.c
+++ b/drivers/nvme/target/fabrics-cmd.c
@@ -117,6 +117,15 @@ static u16 nvmet_install_queue(struct nvmet_ctrl *ctrl, struct nvmet_req *req)
  	nvmet_sq_setup(ctrl, req->sq, qid, sqsize + 1,
  			!!(c->cattr & NVME_CONNECT_DISABLE_SQFLOW));

what is your code base ? does SQFLOW must for TCP ?


+ if (ctrl->ops->install_queue) {
+		int ret = ctrl->ops->install_queue(req->sq);
+		if (ret) {
+			pr_err("failed to install queue %d cntlid %d ret %d\n",
+				qid, ret, ctrl->cntlid);
+			return NVME_SC_CONNECT_INVALID_PARAM | NVME_SC_DNR;

I'm not sure regarding the INVALID_PARAM rc.

maybe use NVME_SC_INTERNAL ?

otherwise,

look fine,

Reviewed-by: Max Gurtovoy <maxg@xxxxxxxxxxxx>





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