diff options
| author | Max Gurtovoy <mgurtovoy@nvidia.com> | 2024-01-23 15:40:32 +0100 |
|---|---|---|
| committer | Keith Busch <kbusch@kernel.org> | 2024-03-03 00:18:08 +0100 |
| commit | f096ba3286f5e773c496cf81667d01f2e8a2a37b (patch) | |
| tree | abbd2d89598d1ec6ea9d510a4c1dc25d74d95cfd /drivers/nvme | |
| parent | nvmet: introduce new max queue size configuration entry (diff) | |
| download | linux-f096ba3286f5e773c496cf81667d01f2e8a2a37b.tar.xz linux-f096ba3286f5e773c496cf81667d01f2e8a2a37b.zip | |
nvmet-rdma: set max_queue_size for RDMA transport
A new port configuration was added to set max_queue_size. Clamp user
configuration to RDMA transport limits.
Increase the maximal queue size of RDMA controllers from 128 to 256
(the default size stays 128 same as before).
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Israel Rukshin <israelr@nvidia.com>
Signed-off-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/target/rdma.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c index b3f8416ec803..f2bb9d95ecf4 100644 --- a/drivers/nvme/target/rdma.c +++ b/drivers/nvme/target/rdma.c @@ -1956,6 +1956,14 @@ static int nvmet_rdma_add_port(struct nvmet_port *nport) nport->inline_data_size = NVMET_RDMA_MAX_INLINE_DATA_SIZE; } + if (nport->max_queue_size < 0) { + nport->max_queue_size = NVME_RDMA_DEFAULT_QUEUE_SIZE; + } else if (nport->max_queue_size > NVME_RDMA_MAX_QUEUE_SIZE) { + pr_warn("max_queue_size %u is too large, reducing to %u\n", + nport->max_queue_size, NVME_RDMA_MAX_QUEUE_SIZE); + nport->max_queue_size = NVME_RDMA_MAX_QUEUE_SIZE; + } + ret = inet_pton_with_scope(&init_net, af, nport->disc_addr.traddr, nport->disc_addr.trsvcid, &port->addr); if (ret) { |