forked from Minki/linux
lightnvm: create cmd before allocating request
Create nvme command before allocating a request using nvme_alloc_request, which uses the command direction. Up until now, the command has been zeroized, so all commands have been allocated as a read operation. Signed-off-by: Javier González <javier@cnexlabs.com> Reviewed-by: Matias Bjørling <matias@cnexlabs.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
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@ -503,6 +503,8 @@ static int nvme_nvm_submit_io(struct nvm_dev *dev, struct nvm_rq *rqd)
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if (!cmd)
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return -ENOMEM;
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nvme_nvm_rqtocmd(rq, rqd, ns, cmd);
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rq = nvme_alloc_request(q, (struct nvme_command *)cmd, 0, NVME_QID_ANY);
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if (IS_ERR(rq)) {
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kfree(cmd);
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@ -517,8 +519,6 @@ static int nvme_nvm_submit_io(struct nvm_dev *dev, struct nvm_rq *rqd)
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rq->__data_len = 0;
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}
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nvme_nvm_rqtocmd(rq, rqd, ns, cmd);
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rq->end_io_data = rqd;
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blk_execute_rq_nowait(q, NULL, rq, 0, nvme_nvm_end_io);
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