This avoids having to have differnet mq_ops for different setups
with or without poll queues.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
block/blk-sysfs.c | 2 +-
drivers/nvme/host/pci.c | 29 +++++++++--------------------
2 files changed, 10 insertions(+), 21 deletions(-)
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 9f0cb370b39b..bb7c642ffefa 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -402,7 +402,7 @@ static ssize_t queue_poll_store(struct request_queue *q, const char *page,
unsigned long poll_on;
ssize_t ret;
- if (!q->mq_ops || !q->mq_ops->poll)
+ if (!q->tag_set || q->tag_set->nr_maps <= HCTX_TYPE_POLL)
return -EINVAL;
ret = queue_var_store(&poll_on, page, count);
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index d43925fba560..3ecc0bf75a62 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1600,22 +1600,15 @@ static const struct blk_mq_ops nvme_mq_admin_ops = {
.timeout = nvme_timeout,
};
-#define NVME_SHARED_MQ_OPS \
- .queue_rq = nvme_queue_rq, \
- .commit_rqs = nvme_commit_rqs, \
- .complete = nvme_pci_complete_rq, \
- .init_hctx = nvme_init_hctx, \
- .init_request = nvme_init_request, \
- .map_queues = nvme_pci_map_queues, \
- .timeout = nvme_timeout \
-
static const struct blk_mq_ops nvme_mq_ops = {
- NVME_SHARED_MQ_OPS,
-};
-
-static const struct blk_mq_ops nvme_mq_poll_ops = {
- NVME_SHARED_MQ_OPS,
- .poll = nvme_poll,
+ .queue_rq = nvme_queue_rq,
+ .complete = nvme_pci_complete_rq,
+ .commit_rqs = nvme_commit_rqs,
+ .init_hctx = nvme_init_hctx,
+ .init_request = nvme_init_request,
+ .map_queues = nvme_pci_map_queues,
+ .timeout = nvme_timeout,
+ .poll = nvme_poll,
};
static void nvme_dev_remove_admin(struct nvme_dev *dev)
@@ -2302,11 +2295,7 @@ static int nvme_dev_add(struct nvme_dev *dev)
int ret;
if (!dev->ctrl.tagset) {
- if (dev->io_queues[HCTX_TYPE_POLL])
- dev->tagset.ops = &nvme_mq_poll_ops;
- else
- dev->tagset.ops = &nvme_mq_ops;
-
+ dev->tagset.ops = &nvme_mq_ops;
dev->tagset.nr_hw_queues = dev->online_queues - 1;
dev->tagset.nr_maps = HCTX_MAX_TYPES;
dev->tagset.timeout = NVME_IO_TIMEOUT;
--
2.19.1
