This is a note to let you know that I've just added the patch titled
nvme: pass nr_maps explicitly to nvme_alloc_io_tag_set
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
nvme-pass-nr_maps-explicitly-to-nvme_alloc_io_tag_se.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c10a44bef691515b8ab91b7b22866586ea322801
Author: Christoph Hellwig <hch@xxxxxx>
Date: Wed Nov 30 17:16:52 2022 +0100
nvme: pass nr_maps explicitly to nvme_alloc_io_tag_set
[ Upstream commit dcef77274ae52136925287b6b59d5c6e6a4adfb9 ]
Don't look at ctrl->ops as only RDMA and TCP actually support multiple
maps.
Fixes: 6dfba1c09c10 ("nvme-fc: use the tagset alloc/free helpers")
Fixes: ceee1953f923 ("nvme-loop: use the tagset alloc/free helpers")
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Sagi Grimberg <sagi@xxxxxxxxxxx>
Reviewed-by: Chaitanya Kulkarni <kch@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index a4ea0607bc98..95b73b386719 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -4867,7 +4867,7 @@ EXPORT_SYMBOL_GPL(nvme_remove_admin_tag_set);
int nvme_alloc_io_tag_set(struct nvme_ctrl *ctrl, struct blk_mq_tag_set *set,
const struct blk_mq_ops *ops, unsigned int flags,
- unsigned int cmd_size)
+ unsigned int nr_maps, unsigned int cmd_size)
{
int ret;
@@ -4881,8 +4881,7 @@ int nvme_alloc_io_tag_set(struct nvme_ctrl *ctrl, struct blk_mq_tag_set *set,
set->driver_data = ctrl;
set->nr_hw_queues = ctrl->queue_count - 1;
set->timeout = NVME_IO_TIMEOUT;
- if (ops->map_queues)
- set->nr_maps = ctrl->opts->nr_poll_queues ? HCTX_MAX_TYPES : 2;
+ set->nr_maps = nr_maps;
ret = blk_mq_alloc_tag_set(set);
if (ret)
return ret;
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index 5d57a042dbca..20b0c29a9a34 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -2903,7 +2903,7 @@ nvme_fc_create_io_queues(struct nvme_fc_ctrl *ctrl)
nvme_fc_init_io_queues(ctrl);
ret = nvme_alloc_io_tag_set(&ctrl->ctrl, &ctrl->tag_set,
- &nvme_fc_mq_ops, BLK_MQ_F_SHOULD_MERGE,
+ &nvme_fc_mq_ops, BLK_MQ_F_SHOULD_MERGE, 1,
struct_size((struct nvme_fcp_op_w_sgl *)NULL, priv,
ctrl->lport->ops->fcprqst_priv_sz));
if (ret)
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index a29877217ee6..8a0db9e06dc6 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -743,7 +743,7 @@ int nvme_alloc_admin_tag_set(struct nvme_ctrl *ctrl, struct blk_mq_tag_set *set,
void nvme_remove_admin_tag_set(struct nvme_ctrl *ctrl);
int nvme_alloc_io_tag_set(struct nvme_ctrl *ctrl, struct blk_mq_tag_set *set,
const struct blk_mq_ops *ops, unsigned int flags,
- unsigned int cmd_size);
+ unsigned int nr_maps, unsigned int cmd_size);
void nvme_remove_io_tag_set(struct nvme_ctrl *ctrl);
void nvme_remove_namespaces(struct nvme_ctrl *ctrl);
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index 6e079abb22ee..a55d3e8b607d 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -798,7 +798,9 @@ static int nvme_rdma_alloc_tag_set(struct nvme_ctrl *ctrl)
NVME_RDMA_METADATA_SGL_SIZE;
return nvme_alloc_io_tag_set(ctrl, &to_rdma_ctrl(ctrl)->tag_set,
- &nvme_rdma_mq_ops, BLK_MQ_F_SHOULD_MERGE, cmd_size);
+ &nvme_rdma_mq_ops, BLK_MQ_F_SHOULD_MERGE,
+ ctrl->opts->nr_poll_queues ? HCTX_MAX_TYPES : 2,
+ cmd_size);
}
static void nvme_rdma_destroy_admin_queue(struct nvme_rdma_ctrl *ctrl)
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index 9b47dcb2a7d9..83735c52d34a 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -1868,6 +1868,7 @@ static int nvme_tcp_configure_io_queues(struct nvme_ctrl *ctrl, bool new)
ret = nvme_alloc_io_tag_set(ctrl, &to_tcp_ctrl(ctrl)->tag_set,
&nvme_tcp_mq_ops,
BLK_MQ_F_SHOULD_MERGE | BLK_MQ_F_BLOCKING,
+ ctrl->opts->nr_poll_queues ? HCTX_MAX_TYPES : 2,
sizeof(struct nvme_tcp_request));
if (ret)
goto out_free_io_queues;
diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c
index b45fe3adf015..08c583258e90 100644
--- a/drivers/nvme/target/loop.c
+++ b/drivers/nvme/target/loop.c
@@ -494,7 +494,7 @@ static int nvme_loop_create_io_queues(struct nvme_loop_ctrl *ctrl)
return ret;
ret = nvme_alloc_io_tag_set(&ctrl->ctrl, &ctrl->tag_set,
- &nvme_loop_mq_ops, BLK_MQ_F_SHOULD_MERGE,
+ &nvme_loop_mq_ops, BLK_MQ_F_SHOULD_MERGE, 1,
sizeof(struct nvme_loop_iod) +
NVME_INLINE_SG_CNT * sizeof(struct scatterlist));
if (ret)
