From 65ba6b54e7c1fe7751388f5da6ad87c2d1bee3ae Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 20 Apr 2017 16:02:58 +0200 Subject: [PATCH] nvme: make nvme_error_status private Currently it's used by the lighnvm passthrough ioctl, but we'd like to make it private in preparation of block layer specific error code. Lighnvm already returns the real NVMe status anyway, so I think we can just limit it to returning -EIO for any status set. This will need a careful audit from the lightnvm folks, though. Signed-off-by: Christoph Hellwig Signed-off-by: Jens Axboe --- drivers/nvme/host/core.c | 3 +-- drivers/nvme/host/lightnvm.c | 6 +++--- drivers/nvme/host/nvme.h | 1 - 3 files changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index c6f256d74b6b..805f250315ec 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -66,7 +66,7 @@ static DEFINE_SPINLOCK(dev_list_lock); static struct class *nvme_class; -int nvme_error_status(struct request *req) +static int nvme_error_status(struct request *req) { switch (nvme_req(req)->status & 0x7ff) { case NVME_SC_SUCCESS: @@ -77,7 +77,6 @@ int nvme_error_status(struct request *req) return -EIO; } } -EXPORT_SYMBOL_GPL(nvme_error_status); static inline bool nvme_req_needs_retry(struct request *req) { diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c index cb599b3fc12c..de61a4a03d78 100644 --- a/drivers/nvme/host/lightnvm.c +++ b/drivers/nvme/host/lightnvm.c @@ -595,7 +595,7 @@ static int nvme_nvm_submit_user_cmd(struct request_queue *q, __le64 *metadata = NULL; dma_addr_t metadata_dma; DECLARE_COMPLETION_ONSTACK(wait); - int ret; + int ret = 0; rq = nvme_alloc_request(q, (struct nvme_command *)vcmd, 0, NVME_QID_ANY); @@ -667,8 +667,8 @@ submit: if (nvme_req(rq)->flags & NVME_REQ_CANCELLED) ret = -EINTR; - else - ret = nvme_error_status(rq); + else if (nvme_req(rq)->status & 0x7ff) + ret = -EIO; if (result) *result = nvme_req(rq)->status & 0x7ff; if (status) diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index d7330f75632d..550037f5efea 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -254,7 +254,6 @@ static inline void nvme_end_request(struct request *req, __le16 status, blk_mq_complete_request(req, 0); } -int nvme_error_status(struct request *req); void nvme_complete_rq(struct request *req); void nvme_cancel_request(struct request *req, void *data, bool reserved); bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, -- 2.20.1