nvme: move nvme_cancel_request() to common code

So it can be used by fabrics driver also.

Signed-off-by: Ming Lin <ming.l@samsung.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Keith Busch <keith.bsuch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

3 files changed, 18 insertions, 16 deletions

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index abdfdcfb66f4..24f91fbd253c 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -58,6 +58,23 @@ static DEFINE_SPINLOCK(dev_list_lock);
 
 static struct class *nvme_class;
 
+void nvme_cancel_request(struct request *req, void *data, bool reserved)
+{
+        int status;
+
+        if (!blk_mq_request_started(req))
+                return;
+
+        dev_dbg_ratelimited(((struct nvme_ctrl *) data)->device,
+                                "Cancelling I/O %d", req->tag);
+
+        status = NVME_SC_ABORT_REQ;
+        if (blk_queue_dying(req->q))
+                status |= NVME_SC_DNR;
+        blk_mq_complete_request(req, status);
+}
+EXPORT_SYMBOL_GPL(nvme_cancel_request);
+
 bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl,
                 enum nvme_ctrl_state new_state)
 {
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 4d196d2d57da..282421fec27c 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -207,6 +207,7 @@ static inline bool nvme_req_needs_retry(struct request *req, u16 status)
                 (jiffies - req->start_time) < req->timeout;
 }
 
+void nvme_cancel_request(struct request *req, void *data, bool reserved);
 bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl,
                 enum nvme_ctrl_state new_state);
 int nvme_disable_ctrl(struct nvme_ctrl *ctrl, u64 cap);
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 4af61c909353..37aa25046eb8 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -919,22 +919,6 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req, bool reserved)
         return BLK_EH_RESET_TIMER;
 }
 
-static void nvme_cancel_request(struct request *req, void *data, bool reserved)
-{
-        int status;
-
-        if (!blk_mq_request_started(req))
-                return;
-
-        dev_dbg_ratelimited(((struct nvme_ctrl *) data)->device,
-                                "Cancelling I/O %d", req->tag);
-
-        status = NVME_SC_ABORT_REQ;
-        if (blk_queue_dying(req->q))
-                status |= NVME_SC_DNR;
-        blk_mq_complete_request(req, status);
-}
-
 static void nvme_free_queue(struct nvme_queue *nvmeq)
 {
         dma_free_coherent(nvmeq->q_dmadev, CQ_SIZE(nvmeq->q_depth),