[PATCH 01/13] nvme-lightnvm: use blk_execute_rq in nvme_nvm_submit_user_cmd

[Christoph Hellwig]

Instead of reinventing it poorly.

Signed-off-by: Christoph Hellwig <h...@lst.de>
Reviewed-by: Bart Van Assche <bart.vanass...@sandisk.com>
Reviewed-by: Javier González <jav...@cnexlabs.com>
---
 drivers/nvme/host/lightnvm.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c
index f5df78ed1e10..f3885b5e56bd 100644
--- a/drivers/nvme/host/lightnvm.c
+++ b/drivers/nvme/host/lightnvm.c
@@ -571,13 +571,6 @@ static struct nvm_dev_ops nvme_nvm_dev_ops = {
        .max_phys_sect          = 64,
 };
 
-static void nvme_nvm_end_user_vio(struct request *rq, int error)
-{
-       struct completion *waiting = rq->end_io_data;
-
-       complete(waiting);
-}
-
 static int nvme_nvm_submit_user_cmd(struct request_queue *q,
                                struct nvme_ns *ns,
                                struct nvme_nvm_command *vcmd,
@@ -608,7 +601,6 @@ static int nvme_nvm_submit_user_cmd(struct request_queue *q,
        rq->timeout = timeout ? timeout : ADMIN_TIMEOUT;
 
        rq->cmd_flags &= ~REQ_FAILFAST_DRIVER;
-       rq->end_io_data = &wait;
 
        if (ppa_buf && ppa_len) {
                ppa_list = dma_pool_alloc(dev->dma_pool, GFP_KERNEL, &ppa_dma);
@@ -662,9 +654,7 @@ static int nvme_nvm_submit_user_cmd(struct request_queue *q,
        }
 
 submit:
-       blk_execute_rq_nowait(q, NULL, rq, 0, nvme_nvm_end_user_vio);
-
-       wait_for_completion_io(&wait);
+       blk_execute_rq(q, NULL, rq, 0);
 
        if (nvme_req(rq)->flags & NVME_REQ_CANCELLED)
                ret = -EINTR;
-- 
2.11.0