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authorSagi Grimberg <sagi@grimberg.me>2018-06-29 16:50:00 -0600
committerChristoph Hellwig <hch@lst.de>2018-07-23 09:35:18 +0200
commit59e29ce66bc52ebd6d0cb450f13079c7e913430d (patch)
tree8882b25c96d7db76f083bb6ecaad24676e55dc08 /drivers/nvme/target
parent202093848cac2da7d92ae666b51b7109bbab633c (diff)
downloadlinux-59e29ce66bc52ebd6d0cb450f13079c7e913430d.tar.bz2
nvme: cache struct nvme_ctrl reference to struct nvme_request
We will need to reference the controller in the setup and completion time for tracing and future traffic based keep alive support. Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme/target')
-rw-r--r--drivers/nvme/target/loop.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c
index d8d91f04bd7e..af7fbf4132b0 100644
--- a/drivers/nvme/target/loop.c
+++ b/drivers/nvme/target/loop.c
@@ -227,6 +227,7 @@ static int nvme_loop_init_request(struct blk_mq_tag_set *set,
{
struct nvme_loop_ctrl *ctrl = set->driver_data;
+ nvme_req(req)->ctrl = &ctrl->ctrl;
return nvme_loop_init_iod(ctrl, blk_mq_rq_to_pdu(req),
(set == &ctrl->tag_set) ? hctx_idx + 1 : 0);
}