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nvmf: keep track of nvmet connect error status 

To let the host know what happends to the connection establishment,
adjust the behavior of nvmf_log_connect_error to make more connect
specifig error codes human-readble.

Signed-off-by: Guan Junxiong <guanjunxiong@huawei.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Guan Junxiong 2017-06-13 10:51:24 +08:00 committed by Christoph Hellwig
parent 435e809058
commit 97ddc36e4e
1 changed files with 18 additions and 0 deletions
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18
drivers/nvme/host/fabrics.c
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@ -337,6 +337,24 @@ static void nvmf_log_connect_error(struct nvme_ctrl *ctrl,
}
}
break;
case NVME_SC_CONNECT_INVALID_HOST:
dev_err(ctrl->device,
"Connect for subsystem %s is not allowed, hostnqn: %s\n",
data->subsysnqn, data->hostnqn);
break;
case NVME_SC_CONNECT_CTRL_BUSY:
dev_err(ctrl->device,
"Connect command failed: controller is busy or not available\n");
break;
case NVME_SC_CONNECT_FORMAT:
dev_err(ctrl->device,
"Connect incompatible format: %d",
cmd->connect.recfmt);
break;
default:
dev_err(ctrl->device,
"Connect command failed, error wo/DNR bit: %d\n",