From: Keith Busch <kbusch@xxxxxxxxxx>
[ Upstream commit af7fae857ea22e9c2aef812e1321d9c5c206edde ]
Except for pci, all the nvme transport drivers allocate a command within
the driver's pdu. Align pci with everyone else by allocating the nvme
command within pci's pdu and replace the .queue_rq() stack variable with
this.
Signed-off-by: Keith Busch <kbusch@xxxxxxxxxx>
Reviewed-by: Jens Axboe <axboe@xxxxxxxxx>
Reviewed-by: Sagi Grimberg <sagi@xxxxxxxxxxx>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@xxxxxxx>
Reviewed-by: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/nvme/host/pci.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 07a4d5d387cd..31c6938e5045 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -224,6 +224,7 @@ struct nvme_queue {
*/
struct nvme_iod {
struct nvme_request req;
+ struct nvme_command cmd;
struct nvme_queue *nvmeq;
bool use_sgl;
int aborted;
@@ -917,7 +918,7 @@ static blk_status_t nvme_queue_rq(struct blk_mq_hw_ctx *hctx,
struct nvme_dev *dev = nvmeq->dev;
struct request *req = bd->rq;
struct nvme_iod *iod = blk_mq_rq_to_pdu(req);
- struct nvme_command cmnd;
+ struct nvme_command *cmnd = &iod->cmd;
blk_status_t ret;
iod->aborted = 0;
@@ -931,24 +932,24 @@ static blk_status_t nvme_queue_rq(struct blk_mq_hw_ctx *hctx,
if (unlikely(!test_bit(NVMEQ_ENABLED, &nvmeq->flags)))
return BLK_STS_IOERR;
- ret = nvme_setup_cmd(ns, req, &cmnd);
+ ret = nvme_setup_cmd(ns, req, cmnd);
if (ret)
return ret;
if (blk_rq_nr_phys_segments(req)) {
- ret = nvme_map_data(dev, req, &cmnd);
+ ret = nvme_map_data(dev, req, cmnd);
if (ret)
goto out_free_cmd;
}
if (blk_integrity_rq(req)) {
- ret = nvme_map_metadata(dev, req, &cmnd);
+ ret = nvme_map_metadata(dev, req, cmnd);
if (ret)
goto out_unmap_data;
}
blk_mq_start_request(req);
- nvme_submit_cmd(nvmeq, &cmnd, bd->last);
+ nvme_submit_cmd(nvmeq, cmnd, bd->last);
return BLK_STS_OK;
out_unmap_data:
nvme_unmap_data(dev, req);
--
2.35.1
