On Tue, Nov 15, 2016 at 11:11:58AM -0800, Omar Sandoval wrote: > From: Omar Sandoval <osan...@fb.com> > > Let's not depend on any of the BLK_MQ_RQ_QUEUE_* constants having > specific values. No functional change. > > Signed-off-by: Omar Sandoval <osan...@fb.com>
Yeah, we've been depending on the values of BLK_MQ_RQ_QUEUE_[ERROR|BUSY] not being zero without this. Looks good. Reviewed-by: Keith Busch <keith.bu...@intel.com> > --- > drivers/nvme/host/core.c | 4 ++-- > drivers/nvme/host/pci.c | 8 ++++---- > drivers/nvme/host/rdma.c | 2 +- > drivers/nvme/target/loop.c | 6 +++--- > 4 files changed, 10 insertions(+), 10 deletions(-) > > diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c > index 53584d2..e54bb10 100644 > --- a/drivers/nvme/host/core.c > +++ b/drivers/nvme/host/core.c > @@ -269,7 +269,7 @@ static inline int nvme_setup_discard(struct nvme_ns *ns, > struct request *req, > */ > req->__data_len = nr_bytes; > > - return 0; > + return BLK_MQ_RQ_QUEUE_OK; > } > > static inline void nvme_setup_rw(struct nvme_ns *ns, struct request *req, > @@ -317,7 +317,7 @@ static inline void nvme_setup_rw(struct nvme_ns *ns, > struct request *req, > int nvme_setup_cmd(struct nvme_ns *ns, struct request *req, > struct nvme_command *cmd) > { > - int ret = 0; > + int ret = BLK_MQ_RQ_QUEUE_OK; > > if (req->cmd_type == REQ_TYPE_DRV_PRIV) > memcpy(cmd, nvme_req(req)->cmd, sizeof(*cmd)); > diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c > index 51d13d5..d58f8e4 100644 > --- a/drivers/nvme/host/pci.c > +++ b/drivers/nvme/host/pci.c > @@ -328,7 +328,7 @@ static int nvme_init_iod(struct request *rq, unsigned > size, > rq->retries = 0; > rq->rq_flags |= RQF_DONTPREP; > } > - return 0; > + return BLK_MQ_RQ_QUEUE_OK; > } > > static void nvme_free_iod(struct nvme_dev *dev, struct request *req) > @@ -598,17 +598,17 @@ static int nvme_queue_rq(struct blk_mq_hw_ctx *hctx, > > map_len = nvme_map_len(req); > ret = nvme_init_iod(req, map_len, dev); > - if (ret) > + if (ret != BLK_MQ_RQ_QUEUE_OK) > return ret; > > ret = nvme_setup_cmd(ns, req, &cmnd); > - if (ret) > + if (ret != BLK_MQ_RQ_QUEUE_OK) > goto out; > > if (req->nr_phys_segments) > ret = nvme_map_data(dev, req, map_len, &cmnd); > > - if (ret) > + if (ret != BLK_MQ_RQ_QUEUE_OK) > goto out; > > cmnd.common.command_id = req->tag; > diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c > index c4700ef..ff1b34060 100644 > --- a/drivers/nvme/host/rdma.c > +++ b/drivers/nvme/host/rdma.c > @@ -1395,7 +1395,7 @@ static int nvme_rdma_queue_rq(struct blk_mq_hw_ctx > *hctx, > sizeof(struct nvme_command), DMA_TO_DEVICE); > > ret = nvme_setup_cmd(ns, rq, c); > - if (ret) > + if (ret != BLK_MQ_RQ_QUEUE_OK) > return ret; > > c->common.command_id = rq->tag; > diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c > index 26aa3a5..be56d05 100644 > --- a/drivers/nvme/target/loop.c > +++ b/drivers/nvme/target/loop.c > @@ -169,7 +169,7 @@ static int nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx, > int ret; > > ret = nvme_setup_cmd(ns, req, &iod->cmd); > - if (ret) > + if (ret != BLK_MQ_RQ_QUEUE_OK) > return ret; > > iod->cmd.common.flags |= NVME_CMD_SGL_METABUF; > @@ -179,7 +179,7 @@ static int nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx, > nvme_cleanup_cmd(req); > blk_mq_start_request(req); > nvme_loop_queue_response(&iod->req); > - return 0; > + return BLK_MQ_RQ_QUEUE_OK; > } > > if (blk_rq_bytes(req)) { > @@ -198,7 +198,7 @@ static int nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx, > blk_mq_start_request(req); > > schedule_work(&iod->work); > - return 0; > + return BLK_MQ_RQ_QUEUE_OK; > } > > static void nvme_loop_submit_async_event(struct nvme_ctrl *arg, int aer_idx) > -- > 2.10.2 > > > _______________________________________________ > Linux-nvme mailing list > linux-n...@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-nvme -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html