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[14/47] nvme: move nvme_error_status to common code

Message ID 1448037342-18384-15-git-send-email-hch@lst.de (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Christoph Hellwig Nov. 20, 2015, 4:35 p.m. UTC 
And mark it inline so that we don't slow down the completion path by
having to turn it into a forced out of line call.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <keith.busch@intel.com>
---
 drivers/nvme/host/nvme.h | 12 ++++++++++++
 drivers/nvme/host/pci.c  | 12 ------------
 2 files changed, 12 insertions(+), 12 deletions(-)
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Patch

diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 71e81e5..c06bb9c 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -86,6 +86,18 @@  static inline u64 nvme_block_nr(struct nvme_ns *ns, sector_t sector)
 	return (sector >> (ns->lba_shift - 9));
 }
 
+static inline int nvme_error_status(u16 status)
+{
+	switch (status & 0x7ff) {
+	case NVME_SC_SUCCESS:
+		return 0;
+	case NVME_SC_CAP_EXCEEDED:
+		return -ENOSPC;
+	default:
+		return -EIO;
+	}
+}
+
 int nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd,
 		void *buf, unsigned bufflen);
 int __nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd,
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 74a829b..92fb388 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -545,18 +545,6 @@  static void nvme_free_iod(struct nvme_dev *dev, struct nvme_iod *iod)
 		kfree(iod);
 }
 
-static int nvme_error_status(u16 status)
-{
-	switch (status & 0x7ff) {
-	case NVME_SC_SUCCESS:
-		return 0;
-	case NVME_SC_CAP_EXCEEDED:
-		return -ENOSPC;
-	default:
-		return -EIO;
-	}
-}
-
 #ifdef CONFIG_BLK_DEV_INTEGRITY
 static void nvme_dif_prep(u32 p, u32 v, struct t10_pi_tuple *pi)
 {