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authorChristoph Hellwig <hch@lst.de>2022-11-30 17:27:07 +0100
committerChristoph Hellwig <hch@lst.de>2022-12-07 15:02:24 +0100
commitb794d1c2ad6d7921f2867ce393815ad31b5b5a83 (patch)
tree683538d9c3d8f18ed652b58225a78e9a9ee63db7 /drivers/nvme
parentdb45e1a5ddccc034eb60d62fc5352022d7963ae2 (diff)
downloadlinux-b794d1c2ad6d7921f2867ce393815ad31b5b5a83.tar.bz2
nvme: only set reserved_tags in nvme_alloc_io_tag_set for fabrics controllers
The reserved_tags are only needed for fabrics controllers. Right now only fabrics drivers call this helper, so this is harmless, but we'll use it in the PCIe driver soon. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/core.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index f31586c46893..ed163c539767 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -4899,7 +4899,8 @@ int nvme_alloc_io_tag_set(struct nvme_ctrl *ctrl, struct blk_mq_tag_set *set,
memset(set, 0, sizeof(*set));
set->ops = ops;
set->queue_depth = ctrl->sqsize + 1;
- set->reserved_tags = NVMF_RESERVED_TAGS;
+ if (ctrl->ops->flags & NVME_F_FABRICS)
+ set->reserved_tags = NVMF_RESERVED_TAGS;
set->numa_node = ctrl->numa_node;
set->flags = BLK_MQ_F_SHOULD_MERGE;
if (ctrl->ops->flags & NVME_F_BLOCKING)