[PATCH 2/2] nvme: move nvme_cancel_io() to core.c
Ming Lin
mlin at kernel.org
Tue May 17 22:56:59 PDT 2016
From: Ming Lin <ming.l at samsung.com>
So it can be used by Fabrics driver also.
Signed-off-by: Ming Lin <ming.l at samsung.com>
Reviewed-by: Christoph Hellwig <hch at lst.de>
---
drivers/nvme/host/core.c | 17 +++++++++++++++++
drivers/nvme/host/nvme.h | 1 +
drivers/nvme/host/pci.c | 16 ----------------
3 files changed, 18 insertions(+), 16 deletions(-)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index ac950d1..4f971ed 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -59,6 +59,23 @@ static DEFINE_SPINLOCK(dev_list_lock);
static struct class *nvme_class;
+void nvme_cancel_io(struct request *req, void *data, bool reserved)
+{
+ struct nvme_ctrl *ctrl = data;
+ int status;
+
+ if (!blk_mq_request_started(req))
+ return;
+
+ dev_dbg_ratelimited(ctrl->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_io);
+
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 fab6507..ff234bd 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -229,6 +229,7 @@ static inline bool nvme_req_needs_retry(struct request *req, u16 status)
(jiffies - req->start_time) < req->timeout;
}
+void nvme_cancel_io(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 a2481ff..d3471e4 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -925,22 +925,6 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req, bool reserved)
return BLK_EH_RESET_TIMER;
}
-static void nvme_cancel_io(struct request *req, void *data, bool reserved)
-{
- struct nvme_ctrl *ctrl = data;
- int status;
-
- if (!blk_mq_request_started(req))
- return;
-
- dev_dbg_ratelimited(ctrl->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),
--
1.9.1
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