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lightnvm: remove nvm_submit_io_sync_fn

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Move the redundant sync handling interface and wait for a completion in
the lightnvm core instead.

Reviewed-by: Javier González <javier@javigon.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Hans Holmberg <hans@owltronix.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Hans Holmberg
2019-07-31 11:41:33 +02:00
committed by Jens Axboe
parent 556f36e90d
commit 98d87f70f4
3 changed files with 29 additions and 37 deletions
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29
drivers/nvme/host/lightnvm.c
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@@ -690,34 +690,6 @@ static int nvme_nvm_submit_io(struct nvm_dev *dev, struct nvm_rq *rqd)
return 0;
}
static int nvme_nvm_submit_io_sync(struct nvm_dev *dev, struct nvm_rq *rqd)
{
struct request_queue *q = dev->q;
struct request *rq;
struct nvme_nvm_command cmd;
int ret = 0;
memset(&cmd, 0, sizeof(struct nvme_nvm_command));
rq = nvme_nvm_alloc_request(q, rqd, &cmd);
if (IS_ERR(rq))
return PTR_ERR(rq);
/* I/Os can fail and the error is signaled through rqd. Callers must
* handle the error accordingly.
*/
blk_execute_rq(q, NULL, rq, 0);
if (nvme_req(rq)->flags & NVME_REQ_CANCELLED)
ret = -EINTR;
rqd->ppa_status = le64_to_cpu(nvme_req(rq)->result.u64);
rqd->error = nvme_req(rq)->status;
blk_mq_free_request(rq);
return ret;
}
static void *nvme_nvm_create_dma_pool(struct nvm_dev *nvmdev, char *name,
int size)
{
@@ -754,7 +726,6 @@ static struct nvm_dev_ops nvme_nvm_dev_ops = {
.get_chk_meta = nvme_nvm_get_chk_meta,
.submit_io = nvme_nvm_submit_io,
.submit_io_sync = nvme_nvm_submit_io_sync,
.create_dma_pool = nvme_nvm_create_dma_pool,
.destroy_dma_pool = nvme_nvm_destroy_dma_pool,