[PATCH v2 0/8] Introduce new max-queue-size configuration

[Max Gurtovoy]

On 04/01/2024 11:25, Max Gurtovoy wrote:
> Hi Christoph/Sagi/Keith,

Hi Christoph/Keith,
are we considering taking this series into nvme-6.8 ?
Most of it was reviewed by Sagi, the rest is pretty trivial

> This patch series is mainly for adding an interface for a user to
> configure the maximal queue size for fabrics via port configfs. Using
> this interface a user will be able to better control the system and HW
> resources.
> 
> Also, I've increased the maximal queue depth for RDMA controllers to be
> 256 after request from Guixin Liu. This new value will be valid only for
> controllers that don't support PI.
> 
> While developing this feature I've made some minor cleanups as well.
> 
> Changes from v1:
>   - collected Reviewed-by signatures (Sagi and Guixin Liu)
>   - removed the patches that unify fabric host and target max/min/default
>     queue size definitions (Sagi)
>   - align MQES and SQ size according to the NVMe Spec (patch 2/8)
> 
> Max Gurtovoy (8):
>    nvme-rdma: move NVME_RDMA_IP_PORT from common file
>    nvmet: compare mqes and sqsize only for IO SQ
>    nvmet: set maxcmd to be per controller
>    nvmet: set ctrl pi_support cap before initializing cap reg
>    nvme-rdma: introduce NVME_RDMA_MAX_METADATA_QUEUE_SIZE definition
>    nvme-rdma: clamp queue size according to ctrl cap
>    nvmet: introduce new max queue size configuration entry
>    nvmet-rdma: set max_queue_size for RDMA transport
> 
>   drivers/nvme/host/rdma.c          | 19 ++++++++++++++-----
>   drivers/nvme/target/admin-cmd.c   |  2 +-
>   drivers/nvme/target/configfs.c    | 28 ++++++++++++++++++++++++++++
>   drivers/nvme/target/core.c        | 18 ++++++++++++++++--
>   drivers/nvme/target/discovery.c   |  2 +-
>   drivers/nvme/target/fabrics-cmd.c |  5 ++---
>   drivers/nvme/target/nvmet.h       |  6 ++++--
>   drivers/nvme/target/passthru.c    |  2 +-
>   drivers/nvme/target/rdma.c        | 10 ++++++++++
>   include/linux/nvme-rdma.h         |  6 +++++-
>   include/linux/nvme.h              |  2 --
>   11 files changed, 82 insertions(+), 18 deletions(-)
>