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authorChristoph Hellwig <hch@lst.de>2015-10-16 07:58:39 +0200
committerJens Axboe <axboe@fb.com>2015-12-01 18:59:39 +0100
commit15a190f7f57a2e46717490c35ac09882042a200b (patch)
tree9456260512e109891f81a05dc6426ce03287fe82 /drivers
parentnvme: factor out a nvme_unmap_data helper (diff)
downloadlinux-15a190f7f57a2e46717490c35ac09882042a200b.tar.xz
linux-15a190f7f57a2e46717490c35ac09882042a200b.zip
nvme: move nvme_error_status to common code
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> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/nvme/host/nvme.h12
-rw-r--r--drivers/nvme/host/pci.c12
2 files changed, 12 insertions, 12 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 19583e1125e6..9f771265487b 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -85,6 +85,18 @@ 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 801d51d4ea10..d29d36d726b5 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -547,18 +547,6 @@ 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)
{