Thread (19 messages) 19 messages, 6 authors, 2021-09-22

Re: [PATCH 2/2] nvmet-rdma: implement get_queue_size controller op

From: Chaitanya Kulkarni <hidden>
Date: 2021-09-21 19:21:55

On 9/21/2021 12:04 PM, Max Gurtovoy wrote:
Limit the maximal queue size for RDMA controllers. Today, the target
reports a limit of 1024 and this limit isn't valid for some of the RDMA
based controllers. For now, limit RDMA transport to 128 entries (the
default queue depth configured for Linux NVMeoF host fabric drivers).
Future general solution should use RDMA/core API to calculate this size
according to device capabilities and number of WRs needed per NVMe IO
request.

Reported-by: Mark Ruijter <redacted>
Signed-off-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Looks good.

Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
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